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$2.95 Shipping Condition: New Location: China Output power: 35W natural cooling, heat dissipation to enhance 50W. With heat sink, send module support isolation column. Short circuit protection: yes. ... moreInput anti-reverse protection, reverse connection will not burn;.
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Free Shipping Condition: New Location: Los Angeles, United States Output current: 4A (max), 192W. WaterProof 48V/60V to 12V 10A 120W Step Down DC/DC Power Converter Regulator. Waterproof DC/DC Converter Regulator 12V ... moreStep Up to 13.8V 3A 41.4W. WaterProof 24V to 12V 5A 60W Step Down DC/DC Power Converter Regulator.
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$1.95 Shipping Condition: Brand New Location: China (For Ryobi 18 Volt Strut Stick Air Filter Assembly With Pre-Filter 313282002. Output Current : 3A( Max). Amazing 6 String Coil Guitar Harness Pickup Pre-Wired ... moreSingle Tone With 1T1V. Can't booster). 100Pcs Wholesale Disposable Plastic Car Steering Wheel Cover Protective Covers n.
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$5.00 Shipping Condition: New Location: China Press the and - buttons of the dial button to select QC2.0, QC3.0, AFC, FCP, SCP, AUTO, and OFF. Short press SET/M button to trigger the protocol. If ... morethe trigger is successful, it will display OK, FC blue light is always on, otherwise Err is displayed, FC blue light is off.
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$2.00 Shipping Condition: New Location: China Rated output current: 2A. RF-385 Miniature DC Vibration Motor 12V/24V 4000/8000RPM Forward Reversal Motor. DC12V to AC180-220V Inverter Modified Wave ... moreInverter Circuit Board Driver Board. 5V 12V 24V 2 Channel Relay Module w/Optocoupler Isolation High Low Level Trigger.
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Free Shipping Condition: New Location: China Boat Floating Buoy Kayak Tow Line Rope Buckle Kayak Tow Rope Float Anchor Boat. 4-cup frying pan breakfast griddle Pancakes Frying Pan Egg Frying Pan. ... more1pc LED Weather Forecast Clock Alarm Clock Light Up Digital Clock Forecast.
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$4.97 Shipping Condition: New Location: China 1200W 20A Step Up Converter. Enter 36V 20A = 720W, input 48V 20A = 960W, input 60V 20A = 1200W. Module properties: non-isolated step-up module (BOOST). ... more250W 10A Step Up Converter. Input Current: 20A.
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Free Shipping Condition: New Location: China (Module property :Non-isolation step-down (BUCK). Could not boost). How to use the module Load regulation: ±0.5%.
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Free Shipping Condition: New Location: China Master chip: XL2596(compatible LM2596). Maximum output current per channel: 3A. 3.3V output: Input 4.5-30V, Output 3.3V (±3%). 5V output: Input 6.5-30V, ... moreOutput 5V (±3%). 12V output: Input 13.5-30V, Output 12V (±3%).
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Free Shipping Condition: New Location: China Waterproof DC/DC Converter Regulator 12V/24V Step Up to 48V 5A 240W. Output Rated Power: 240W. WaterProof 24V to 13.8V 20A 276W Step Down DC/DC Power ... moreConverter Regulator! DC 9V-36V To 13.8V 10A 138W Step Up/Down Power Regulator Converter Module!
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$3.00 Shipping Condition: New Location: China Store Categroy. Helpful Links Store Newsletter. Add my Store to your Favorites and receive my email newsletters about new items and special promotions! ... moreGeneral Interest. Hot Products. $16.90 $1.96 $1.59 $1.75 $3.20 $5.35 $7.90 Parameters: Circuit board size: 9.6*5.8CM; Dc input: 3-35V; Ac input: 1-25V; DC output:1.2-30V; Maximum current: 3A Input and output the minimum differential pressure: 3V; Maximum power consumption: 50W; Listing: PCB x1 KF301-2 x1 terminal(red and black) x1 1N4007 x2 KBL608 x1 200ohm 1W resistor x1 4.7K ohm resistor x1 3MM blue LED x1 104 capacitor x3 50V100UF capacitor x1 50V2200UF capacitor x1 50V4700UF capacitor x1 101 switch x1 Potentiometer knob x1 Potentiometer stents x1 M3*6 screw x2 5K Potentiometer and the screw nut x1 LM7812 x1 338K Heat sink x1 12V fun x1 LM338K x1 30V3A PPTC x1 M3*50MM screw x4 3MM nut x20 20mm copper cylinder x4 4MM copper sheet x4 4MM nut x2 4*10 screw x2 SHIPPING. PAYMENT. RETURNS. FEEDBACK. ABOUT US. 1)All items will be shipped to your paypal address.Please update your latest address when you check out.And please make sure to provide us with correct,precise and detailed shipping address. 2)Most of the items will be shipped via Hongkong Airmail/Singapore Airmail.To US customers.We will send the package via E-packet. 3)All items will be shipped in 1-2 business days(excluding Sat.Sun& Holiday) after payment received and cleared. For the long-time holiday, we'll post the info on our store and reply you automatically via emails. 4)Tax:We will do our best to help you to clear the goods.And the tax depends on each country custom. 5)If you don't receive items over 30 business days.Please make sure to contact us before leaving any neutral or negative feedbacks.We'll try our best to help you solve the problem. 6)The product in our store is free shipping. But the shipping method is different based on your order.If your order is more than $50.We will send the items to you with tracking number for free.If your order is less than $50.The registered mail fe
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$2.99 Shipping Condition: New Location: China Output Current: rated current 2.5A/ 3A MAX ( Heat-sink Needed). Output short circuit protection: Yes, constant current (constant current setting values). ... moreTurn lamp current: constant current value (0.1), turn the lamp current constant current value Linkage.
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Free Shipping Condition: New Location: Raleigh, United States It can easily reach over 3A current. This module uses machine patch and reflow welding. Output current: adjustable maximum 3A. Output ripple: 50mV (maximum) ... more20M bandwidth.
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Free Shipping Condition: New Location: China Good heat dissipation effect and higher output power (the power can reach around 1800W when 48V input and fan are added). Using wing shaped heat dissipation ... morehas excellent heat dissipation effect and a larger output power (the power can reach around 1800W when 48V input and fan are added).
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Free Shipping Condition: New Location: China Output power: 70W. Short circuit protection: yes. Output current: 3-4.5A. Due to the light and screen difference, the item's color may be slightly different ... morefrom the pictures. DC12V to AC220V Inverter Sine Wave Inverter Circuit Board 100W Drive Board.
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$1.99 Shipping Condition: New Location: China Output power: 35W under natural heat dissipation and 50W under air cooling. (2) Short-circuit output directly (short-circuit output directly! ). (For ... moreexample, when the current value of the product is 3.000A, the maximum current of the product can only reach 3A, and when the current reaches 3A, the liquid crystal will display "CC" status, otherwise the liquid crystal will display "CV" status.).
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$3.20 Shipping Condition: New Location: China 15V down 9V3A LM2596S board efficiency 77%, this product 93.6%. This product is 8.99 volts! This product is 11.98 volts! 24V down 12V2A LM2596S board ... moreefficiency 86%, this product 95%. 12V down 5V3A LM2596S board efficiency 70%, 92% of this product.
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$3.00 Shipping Condition: New Location: China (Power (3-40V), power indicator light, the module is working properly. Can't booster). Output Current :3A( Max). Output ripple:
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$2.99 Shipping Condition: New Location: China High efficiency and low heat radiation with sendust core inductor. 5A Auto Step Up Down Module with Constant Current. Maximum Output Current: 5A. Constant ... moreCurrent Adjusting Range: 0.05A~5A. 5A Auto Step Up/Down Regulator Module.
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Free Shipping Condition: New Location: United States Heat dissipation mode:on-board heat sink and cooling fan. Typical efficiency:91% (input 50V,output 30V,current 3A). Starting condition of cooling fan:output ... morecurrent＞1.5A. 1 Buck Module(optional). Output Ripple:
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$2.19 Shipping Condition: New Location: China Maximum output current per channel : 3A;. 5V output : Input 6.5-30V, Output 5V (±3%). 1 PCS DD31AJQA 3A 4-channels DC DC Step-Down Buck Converter Module. ... more12V output : Input 13.5-30V, Output 12V (±3%).
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Free Shipping Condition: New Location: China Set rattan birds nest Natural Party Spring Decorative Bird Cage for Cage. Safety Hat Liner Hard Insert Baseball Bump Cap Hats Breathable. Cat Sleeping ... moreBed Winter Cat Cave Bed Cat Hut Bed Pet Bed. Nylon Turner Barbecue Pizza Oven Peel Turning Peel Non Stick Pizza Peel.
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$2.88 Shipping Condition: New Location: China Store Categroy. Helpful Links Store Newsletter. Add my Store to your Favorites and receive my email newsletters about new items and special promotions! ... moreGeneral Interest. Hot Products. $16.90 $1.96 $1.59 $1.75 $3.20 $5.35 $7.90 Parameters: Circuit board size: 9.6*5.8CM; Dc input: 3-35V; Ac input: 1-25V; DC output:1.2-30V; Maximum current: 3A Input and output the minimum differential pressure: 3V; Maximum power consumption: 50W; Listing: PCB x1 KF301-2 x1 terminal(red and black) x1 1N4007 x2 KBL608 x1 200ohm 1W resistor x1 4.7K ohm resistor x1 3MM blue LED x1 104 capacitor x3 50V100UF capacitor x1 50V2200UF capacitor x1 50V4700UF capacitor x1 101 switch x1 Potentiometer knob x1 Potentiometer stents x1 M3*6 screw x2 5K Potentiometer and the screw nut x1 LM7812 x1 338K Heat sink x1 12V fun x1 LM338K x1 30V3A PPTC x1 M3*50MM screw x4 3MM nut x20 20mm copper cylinder x4 4MM copper sheet x4 4MM nut x2 4*10 screw x2 SHIPPING. PAYMENT. RETURNS. FEEDBACK. ABOUT US. 1)All items will be shipped to your paypal address.Please update your latest address when you check out.And please make sure to provide us with correct,precise and detailed shipping address. 2)Most of the items will be shipped via Hongkong Airmail/Singapore Airmail.To US customers.We will send the package via E-packet. 3)All items will be shipped in 1-2 business days(excluding Sat.Sun& Holiday) after payment received and cleared. For the long-time holiday, we'll post the info on our store and reply you automatically via emails. 4)Tax:We will do our best to help you to clear the goods.And the tax depends on each country custom. 5)If you don't receive items over 30 business days.Please make sure to contact us before leaving any neutral or negative feedbacks.We'll try our best to help you solve the problem. 6)The product in our store is free shipping. But the shipping method is different based on your order.If your order is more than $50.We will send the items to you with tracking number for free.If your order is less than $50.The registered mail fe
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$3.00 Shipping Condition: New Location: China Output power: 35W natural cooling, heat dissipation to enhance 50W. With heat sink, send module support isolation column. Short circuit protection: yes. ... moreInput anti-reverse protection, reverse connection will not burn;.
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Free Shipping Condition: New Location: Brentwood, United States The maximum current of module is 4A, which is limited by the maximum output power. For example, if the output is 17V, current should not be greater than ... more2A. Press any button to exit the protection interface.
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Free Shipping Condition: New Location: Jamaica, United States Output Current: rated current 2.5A/ 3A MAX ( Heat-sink Needed). Output short circuit protection: Yes, constant current (constant current setting values). ... moreTurn lamp current: constant current value (0.1), turn the lamp current constant current value Linkage.
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$3.19 Shipping Condition: Neu Location: China High power, high efficiency, better performance than XL6009 / LM2577 program. Iron silico aluminum magnetic ring inductance, high efficiency. Output power: ... morenatural cooling 35W, strengthen the heat 60W.
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Free Shipping Condition: New Location: Monroe Township, United States Output anti-reverse irrigation;. Output power: natural heat dissipation 35W, strengthen heat dissipation 50W. You can see a bit of the setting constant ... morecurrent value flashing. Soft start: yes (with high power and load module may fail when starting).
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$2.00 Shipping Condition: New Location: China Output power: under natural heat dissipation 80W. 1x Brass Misting Spray Nozzle Garden Sprinklers Agricultural Irrigation Fitting. Output short circuit ... moreprotection: Yes, the output can be shorted directly.
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Free Shipping Condition: Brand New Location: China Maybe You Need USB to TTL Serial Cable 2pcs USB to TTL Serial Cable Adapter FTDI Chipset FT232 usbasp programmer 10PCS usbasp programmer AVR USB USBISP ... moreATMEGA8 usb 3.3V/5V dc to dc power converter 10pcs dc to dc power converter step up boost converter USB Charger for Phone PL2303 USB To RS232 TTL 10pcs PL2303 USB To RS232 TTL to RS232 converter USB TTL converter USB 2.0 to TTL 10pcs USB 2.0 to TTL UART 6PIN Module Serial Converter USB to UART cp2102 STC SD Card Module 10pcs MCU ARM SD Card Module Slot Socket Reader For Arduino 2-Channel Relay Module 10pcs 2-Channel Relay Module for Arduino PIC ARM DSP AVR Electronic 5V Visit my eBay Store: ICs_Processors_Store 2pcs LM2596 DC-DC Buck Converter Step Down Module Power Supply Output 1.23V-30V ☆ basic properties ☆ Module Properties: non-isolated step-down(BUCK) Rectification: non-synchronous rectification Input voltage: 4V-35V Output voltage: 1.23V-30V Output Current: 3A(max) Conversion efficiency: 92% the highest) Switching frequency: 150KHz Output ripple: 30mV(max) Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: 40 ℃ to +85 ℃ The peripheral dimensions: 48* 23* 14(L* W* H) mm) ☆基本属性☆ 模块性质：非隔离降压（BUCK） 整流方式：非同步整流 输入电压：4V-35V 输出电压：1.23V-30V 输出电流：3A(最大) 转换效率：92%最高) 开关频率：150KHz 输出纹波：30mV(最大) 负载调整率：±0.5% 电压调整率：±2.5% 工作温度：40℃ 到 +85℃ 外围尺寸：48*23*14（长*宽*高）mm） Maybe You Need For more quantity.Please contact us. If you need these goods,you can add them to cart. 1) We accept PayPal payment ONLY.
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$2.40 Shipping Condition: New Location: China Switching Overshoot: 10%. Short circuit protection: YES. Recovery characteristics: lock, after re-starting recovery. Input surge current: 20A (full load). ... moreOutput Over Power protection: YES. Output Current Range: 0A to 2000mA, the peak current of 2200mA.
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$2.45 Shipping Condition: New Location: China LM338K as an excellent linear regulator,with high stability, h igh temperature resistance, high linearity properties. Buck Converter. The board has a ... more8A rectifier bridge (with heat sink). Protection Circuit.
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$3.40 Shipping Condition: New Location: China Item Description: Update content： 1.Fixed turn the lamp current to 0.1 times the value of the constant current(charge when used to identify whether the ... morebattery is full) 2. Increased input reverse polarity protection diode; 3. Increase the output of a backflow preventing diode to prevent when the electricity to charge the battery back in; 4. Using dedicated reference IC. And high-precision sampling resistor, so that the constant current is more stable, 20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1% Particularly suitable for LED driver High-power LED constant current drive Lithium battery charger(including ferroelectric) 4V. 6V, 12V, 14V, 24V battery charger Nickel cadmium. Nickel metal hydride battery pack charger Solar panels and wind turbines Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Input voltage: 7V-35V Output voltage: 1.25V-30V Output current: adjustable maximum 3A Conversion efficiency: 92% the highest) Switching frequency: 150KHz Output ripple: 50mV(max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: 40 ℃ to +85 ℃ Size: 48* 23* 14(L* W* H) mm) Battery use: l Make sure of the voltage and current of the battery you need to charge l Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage l Potentiometer Adjustment Direction: Clockwise(increase) Counterclockwise(decrease) Use the multimeter in 10A current scale to measure output short-circuit current. And adjust the current potentiometer to make sure the output current to the expected charging current value l The charge current of transfer lamp is default 0.1 times of the charging current(constant current value) l Connected to the battery and try to charging(for previous 5 steps. Module input terminal is connected to power source, output load is NOT connected to batteries) LED Constant Current Driver Use: l Make sure operating
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Free Shipping Condition: New Location: United States Input 8~30V (only buck). Output power: maximum 65w (5V3A, 9V3A, 12V3A, 20V3.25A, etc.). The length of the DC model is 12mm longer than the standard model, ... more44mm, and both the Type-c female connector and the DC connector protrude about 1mm from the edge of the board.
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$2.00 Shipping Condition: New Location: China Output filter high quality solid state capacitor. 20PCS XY-FE 10A 60V Anti-reverse Irrigation Diode Constant Current Power Module. DC input: DC90-380V. ... moreAC input: AC90-265V. 2Pcs DC3-24V 40A 1 Way Thyristor Solid State Relay SSR Switch Module SCR Relay.
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$3.73 Shipping Condition: Neu Location: China 1200W 20AStep up Converter. Enter 36V 20A = 720W, input 48V 20A = 960W, input 60V 20A = 1200W. Module properties: non-isolated step-up module (BOOST). ... more250W 10A Step up Converter. Input Current: 20A.
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$2.54 Shipping Condition: Neu Location: China Conversion efficiency: 87 ~ 91%(Boost); 87 ~ 89%(Buck). Output ripple: 20mV (12V 3A), while the common module is far more than 100mV! turn the lights ... morefunction! Easy to use! Output current: 3A (add heat up to 4A).
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$3.40 Shipping Condition: New Location: China DC DC Boost Converter Module working frequency 600KHZ. For 12V lead acid battery. For Car cigarette lighter. 16V 1F/2F Farad Capacitor Module 6.92A 2.7V ... more10F Super Capacitors 0.5-20F Board. Due to the light and screen difference, the item's color may be slightly different from the pictures.
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$3.99 Shipping Condition: New Location: China DKP6008 DC-DC digital step-down module is a programmable step-down module with full digital display, small size, high power, high efficiency and stable ... moreoperation. After the machine is powered on, it has an automatic output function, which can be turned on or off as needed.
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$2.98 Shipping Condition: New Location: China Module nature: Non isolated step-down constant current. Charging module. Output short circuit protection: Yes, constant current (setting the value of ... morethe constant current). Adjustable continuously (1.25-30V adjustable);.
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$2.00 Shipping Condition: New Location: China With synchronous rectification and real output short-circuit protection, such as 3.7 V to 5 V, the conversion efficiency of synchronous rectifier boost ... moreis much higher than that of non-synchronous rectification.
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$3.00 Shipping Condition: New Location: China (Power (3-40V), power indicator light, the module is working properly. Can't booster). Output Current :3A( Max). Output ripple:
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$3.00 Shipping Condition: New Location: China Using dedicated reference IC, and high-precision sampling resistor, so that the constant current is more stable, (20 degrees to 100 degrees, the constant ... morecurrent 1A, when the temperature drift of less than 1%).
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$2.99 Shipping Condition: New Location: China The theoretical conversion efficiency can reach up to 95%. Module Enable: Floating enable output. Module Protection: Input anti-reverse, Overcurrent protection.
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Free Shipping Condition: New Location: Monroe Township, United States LM2596 DC-DC Step Down Adjustable Power Supply Module Features: This is high performance DC to DC Step Down Adjustable Power Supply Module Based on well ... morekwon LM2596 Switching Regulator. Input voltage: 4.5-35V Output Voltage: 1.25-30V(adjustable) Output Voltage ≤ Input voltage Output current: rated current 2A. Maximum 3A(need to add heat sink) If the output power greater than 15W. The proposed combined heat sink Conversion efficiency: Up to 92% output voltage higher. The higher the efficiency) Switching Frequency: 150KHz Rectifier: Non-Synchronous Rectification Module Properties: Non-isolated step-down module(buck) Short circuit protection: current limiting. Since the recovery Operating temperature: Industrial grade(40 ℃ to +85 ℃) output power 10W or less) Full load temperature rise: 40 ℃ Voltage regulation: ± 0.5% Load regulation: ± 0.5% Dynamic response speed: 5% 200uS. Size(L*W*H) 49x23.5x12.5 mm(1.93x0.93x0.49 inch)with potentiometer) Output ripple: Input 24V Output 12V 3A 120mV(MAX) Input 12V Output 5V 3A 60mV(MAX) Package 100% Brand New 5PCS x LM2596 DC-DC Step Down Adjustable Power Supply Module If you have any questions.Please contact with us via eBay message Payment 1. We only receive payment via paypal.Thanks! 2. Please make sure you have a valid/confirmed PayPal account prior bidding. 3. All Paypal Payments must be Confirmed( Shipping and billing addresses must match) Shipping& Handling 1. Items are shipped from china. We will send the parcel by China Post Air Mail or HongKong Post Air Mail. most counry will arrived the parcel in 10-25 business days. Also.We can send the goods by China express or China EMS.The shipping cost please contact us. Delivery time depends on destination and other factors. It may takes up to 30 business days. Please contact us within a month if the item is not arrived. 2. All the orders usually shipped out within 2 business days on payment receive cleared. 3. We only ship to the confirmed address provided by Paypal. Before you pay. Please make sure your addres
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$2.99 Shipping Condition: New Location: China
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Free Shipping Condition: New Location: Beverly Hills, United States Welding, welded directly to the power line input (output) port;2. High-Q inductors with high power output LED indicator.
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$2.54 Shipping Condition: Neu Location: China LED Konstantstrom-Treiber verwenden Akku Anwendung Konstantstrom-Anzeige (rot). Der Ladestrom der Übertragung Lampe ist standardmäßig das 0,1-fache des ... moreLadestroms (Konstantstromwert). Lithium-Batterie-Ladegerät (einschließlich ferroelektrische).
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$2.50 Shipping Condition: New Location: China New TS-8201 LED Mirror Alarm Clock Digital RGB LED Color Display Snooze Clocks. 1/2 Port CAT6 Gigabit Network Socket 86x86cm Type Network Ethernet LAN ... moreOutlet. DC 24V 5V Brushless Motor 100HZ-600HZ PWM DC Motor Air Purifier Brushless Motor.
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Free Shipping Condition: New Location: China
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Free Shipping Condition: New Location: Denver, United States 1pcs Adjustable DC DC Buck Boost Converter. Soft start: yes (with high power and load module may fail when starting). If, by any chance, you encounter ... morean issue or have a concern, we encourage you to reach out to us.
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$2.00 Shipping Condition: New Location: China Output power: 80W. Output current: 0~5.0A. Current accuracy: +/-0.5% + 3 words. Output overcurrent protection: 0~5.2A adjustable, default 5.2A. Output ... moreoverpower protection: 0~82W adjustable, default 82W.
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$2.78 Shipping Condition: Neu Location: China 1PCS LM2596 DC-DC Buck Converter step-down module NEW. Module Properties: Non-isolated step-down module (buck). 45 In 1 Sensor. Full load temperature ... morerise: 40. Load regulation: ± 0.5%. Battery Protection Board.
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$3.20 Shipping Condition: New Location: China Output power: natural cooling 100W (MAX), strengthening cooling 150W (MAX) real power. Power: 80W(MAX,Natural cooling),Strengthen cooling 120W(MAX,Actual ... morepower). 10A 10~32V to 12~35 Output current: 10A (MAX).
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$3.00 Shipping Condition: New Location: China 1200W 20AStep up Converter. Enter 36V 20A = 720W, input 48V 20A = 960W, input 60V 20A = 1200W. Module properties: non-isolated step-up module (BOOST). ... more250W 10A Step up Converter. Input Current: 20A.
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$1.99 Shipping Condition: New Location: China Short circuit, overload, overtemperature protection. Output current:3A/1.5A. Due to the light and screen difference, the item's color may be slightly ... moredifferent from the pictures. 1hz-150Khz Signal Generator Module Square Wave PWM Pulse Frequency Duty Ratio.
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$3.75 Shipping Condition: New Location: China The board is a high-performance 180KHz Max 3A currency step-up/dowm (BOOST-Buck) module. Conversion efficiency:88 ~ 91%(Boost); 87 ~ 90%(Buck). 1 x DC-DC ... moreStep Up Down Buck Boost Module. Output power: 30W Max 50W ( Increase heat dissipation ).
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$2.50 Shipping Condition: New Location: China Output current: 250MA. 2Pcs DC 12-24V PIR Motion Sensor Switch Module 3A Infrared Body Sensor Detector. 2Pcs IP68 M20 3 Pin Waterproof Cable Connector ... morefor Electrical Light Junction Box. Due to the light and screen difference, the item's color may be slightly different from the pictures.
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$4.00 Shipping Condition: New Location: China
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$2.99 Shipping Condition: New Location: China The module can be set to ON/OFF by default. - Soft start: yes (it may fail when the module is power-on with high-power load). Short press U / I button ... moreagain to switch to set constant current value.
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