Adjustable step-down module LM2596 DC-DC 4.5-40V 3A

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Adjustable step-down converter for stable power supplies in electronic, industrial or automotive projects, accepts 4.5-40V at input and delivers 1.25-35V finely adjustable with multi-turn potentiometer, up to 3A with adequate cooling, high efficiency up to 92% and LED operating indicator, maintains constant output voltage with input variations.

6.69 RON

AMS1117 3.3V step-down module

In Stoc

Module for lowering the voltage from 5V to 3.3V, ideal for quickly powering sensors and logic modules to 3.3V DC. It accepts 4.2-10V input, provides stabilized 3.3V output, has a compact 8.6 x 12.3 mm format and is easily integrated into projects with Arduino, ESP and other electronic circuits.

3.69 RON

Voltage step-down module with LCD, adjustable 0-16V

Adjustable voltage step-down module with display LM2596, 4-40V

LM2576HV adjustable step-down module 5-60V to 1.25-26V

Out-of-Stock

Adjustable or fixed voltage step-down module, DC 5-15V, 3A

In Stoc

Compact DC-DC step down converter, for stable power supply of modules and equipment from 5-15VDC, offers a choice of fixed output 1.8V, 2.5V, 3.3V, 5V, 9V, 12V or adjustable 0.8-15V via potentiometer, the selection of the fixed voltage is done quickly by joining the corresponding pads, supports up to 3A maximum and has small dimensions 20 x 10.8 x 4.6 mm.

6.76 RON

Step-down module, CC-CV, XL4015, 1.25-36VDC, 0-5A, 75W

In Stoc

CC-CV step-down module for precise voltage and current regulation, ideal for battery chargers and constant current LED power supply. Offers adjustable output 1.25-36V and 0-5A up to 75W, stabilization in CV mode or limiting in CC mode, thermal and short-circuit protection, compact format for quick integration into projects.

16.70 RON

XL4005 step-down module, 4-36VDC, 5A, 75W

Voltage step-down module XL4015, 5-36VDC, 5A, 75W, with display

In Stoc

DC-DC step down power supply ideal for stable power supply of electronic projects from a higher voltage, accepts 5-36V and delivers 1.25-32V adjustable via potentiometer, up to 5A and 75W, includes display with switching between input and output voltage and calibration function, comes with radiator and spacers for quick assembly.

23.38 RON

XL4015 step-down module, 8-36VDC, 5A, 75W

In Stoc

Efficiently converts higher DC voltage into a stable power supply for electronic projects, with 8-36V input and 1.25-32V output adjustable via potentiometer. Provides up to 5A and 75W, efficiency up to 96% and 180kHz frequency for low ripple. Includes power LED and short circuit and overtemperature protection.

9.96 RON

Adjustable step-down power supply module, 100W, 12A, 0.8-30V

In Stoc

Adjustable step down power supply for stable power supply of electronic projects, provides adjustable DC voltage between 0.8 and 30V from a 5-30V input, delivers up to 100W with maximum current 12A, high efficiency up to 95% and integrated short circuit and temperature protections. Includes pads for activating the fan with voltage selection on input or output.

27.41 RON

Step-down power supply module, adjustable, 150W, 6A, 7-32V

In Stoc

Adjustable step-down module, ideal for a stable DC source up to 6A, 7-32V input and 0.8-28V output, maximum power 150W with efficiency up to 95%. Fine adjustment of voltage and current from potentiometers, output short-circuit protection and low ripple for sensitive applications. Suitable for battery charging, LED driver and compact laboratory power supply.

27.56 RON

UPS module 12V, lithium battery 3.7V

In Stoc

Compact 12V backup solution for equipment, boosts the voltage from a 3.7V Li-ion battery to 12V and charges the battery from a 5-12V supply, automatically switches to battery when voltage drops and returns to charging when re-powered. Provides up to 9W with 1A peak current, supports 1S batteries up to 8Ah by default or 15Ah via jumper, dimensions 50x20x6.3mm.

15.17 RON

UPS booster 3.7V to 9V module - 50x20x6.3mm

UPS module 9V, lithium battery 3.7V

In Stoc

Provides 9V UPS power for sensitive equipment, raises the voltage from a 3.7V Li-Ion battery and charges it automatically, instantly switches to battery upon power outage and returns to charging upon re-powering. Accepts 5-12V input, delivers up to 9W with 1A peaks, supports 1S batteries up to 8Ah or 15Ah via jumper, compact size 50x20x6.3 mm.

21.28 RON

Automatic step-up/down power supply 5-32V, LTC3780

In Stoc

Automatic step-up/down module for variable power supplies, maintains the set voltage stable regardless of input fluctuations, ideal for electronic projects and as a base for adjustable laboratory power supply. Offers adjustable output with constant voltage and current mode, high current for demanding consumers, short circuit protection and switchable input fuse, low ripple for clean power supply.

139.09 RON

MPPT 5A CC/CV solar charge control module with display

MPPT solar charge control module, 5A, CC/CV, with display, 6-36V

In Stoc

MPPT DC-DC step-down controller for correct solar charging of batteries, with CC/CV mode for constant voltage and current, separate settings for V, A and MPPT, dual display with switching for voltage, current and power, supports 6-36V input and current up to 5A, high efficiency up to 95%, ideal for lithium batteries, power LEDs and electronic projects.

73.29 RON

Acrylic housing for voltage reducer with LCD

Acrylic case for voltage regulator with LCD

In Stoc

Acrylic housing for the voltage-lowering module with LCD, offers protection and a tidy appearance for assembly in electronic projects, compatible with the 0-16V adjustable module code 00380, dedicated cutouts for display and potentiometer, lightweight and rigid construction, delivered as an assembly kit, the module is sold separately.

13.98 RON

Automatic voltage source, lowering/raising, 0.5-30V, with LCD

In Stoc

The automatic power supply raises or lowers the voltage, ideal for powering projects, LEDs or charging batteries. It offers adjustable output 0.5-30V and adjustable current limiting for constant current mode, LCD display for input voltage, output and current, reverse polarity and short circuit protection, ON OFF button control.

71.63 RON

Voltage raising-lowering module, USB, 1.2-24V, Display

LM2596 Buck Module, load sensing, 1-30VDC, 3A

In Stoc

DC-DC step-down converter with LM2596 for power supply and battery charging, reduces 7-35V to 1.25-30V adjustable with constant voltage and current control. Offers up to 3A peak, high efficiency, low ripple and includes end-of-charge detection function by current drop, signaled by OK LED. Compact dimensions for quick integration.

8.36 RON

Automatic power supply with display, USB, CV-CC, 15W, 0.5-30V

In Stoc

Step-down DC power supply module with CV-CC, ideal for testing and charging batteries with current limitation. Offers fine adjustment 0.5-30V from 5-12V supply, up to 15W and 2A, display with voltage, current and power, quick control via ON/OFF and SELECT buttons. Flexible power supply via USB, MicroUSB or pads, includes front acrylic case.

69.03 RON

Set of 70 pieces AMS117, 7 values

In Stoc

Complete kit for prototyping and repairs, with 70 AMS1117 linear regulators, 10 pieces each of 7 values 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5.0V and ADJ. Provides fast voltage stabilization for development boards and modules, easy selection of the right value, compact format for PCB mounting and sufficient reserve for multiple projects.

40.61 RON

Automatic power supply module, step-down, 5.5-30V to 0-30V, 30W

Automatic source module, step-down, CC-CV, 35W, 5-30V to 0.5-30V

Automatic power supply module, step-down-step-up, CC-CV, 35W, 5-30V to 0.5-30V

In Stoc

DC-DC step-down boost power supply with automatic CC-CV control, ideal for stable power supplies and lithium battery charging. Offers 5-30V input and 0.5-30V adjustable output, 0-4A current limiting and power up to 35W without additional cooling. Maintains voltage during power supply variations, has high efficiency and LED for CC mode indication.

32.61 RON

Voltage step-down module 400W, 10-60VDC, CC-CV, 15A

In Stoc

Step-down DC-DC converter for power supply and battery charging, with continuously adjustable voltage 0-45V and current 0.2-15A in CC-CV mode. Offers up to 400W with active cooling, high efficiency up to 97% and low drop between input and output. Includes short-circuit and reverse polarity protection, plus LED for CC mode.

77.62 RON

Dual QC3.0 module, 6-32V at 5V3.4A, 9V2.5A, 12V2A, 24W

In Stoc

QC3.0 fast charging module with two USB outputs, ideal for powering and charging devices in cars, DIY projects or industrial equipment. Accepts 6-30VDC and provides up to 24W, with automatic 3-12V output depending on protocol, 90-97% efficiency and overvoltage, overcurrent, short circuit and temperature protections. Power supply via IN pads or 5.5x2.5mm.

21.30 RON

Automatic voltage source module, panel, ZK-4KX, DC-DC, 0.5-30V, 4A, CC-CV, with display

In Stoc

DC-DC panel module for creating an adjustable source with automatic stabilization, offers 0.5-30V output and up to 4A in CC-CV mode, includes backlit LCD display and encoder for fine adjustment, integrates protection and soft start functions for safe power supplies, suitable for laboratory applications, DIY projects and low-power photovoltaic systems.

78.14 RON

Voltage step-down module, XL4015, 5-30V to 0.8-29V, 5A, CC-CV

In Stoc

Buck converter with XL4015 for adjustable power supplies and battery charging, offers CC-CV mode with fine adjustment of voltage and current via multiturn potentiometers, 5-30V input and 0.8-29V output, up to 5A with cooling, includes integrated voltage and current displays, high efficiency for LED, DIY and automation applications.

45.68 RON

Panel voltage step-down module, color LCD, CC-CV, 6-55V to 0-50V, USB port, 5A, 250W

In Stoc

Panel-mount step-down module, ideal as a CC-CV adjustable power supply in electronic projects and test bench. Provides 0-50V and 0-5A output with power up to 250W, 1.44 inch color LCD display for quick monitoring, control and serial interface via USB, fine adjustment with 0.01V resolution for voltage.

254.52 RON

Laboratory power supply, panel, USB, 60V, 6A, RD6006

In Stoc

The USB-controlled panel laboratory power supply offers precise adjustment from the PC application, with 0-60V and 0-6A output, CC and CV modes for battery testing and charging, color display with real-time parameters and settings memory. It operates in buck mode and requires external switching power supply.

616.94 RON

Transformer 220VAC to 9VAC, 1W, copper core

In Stoc

Compact transformer for powering low voltage circuits, converts 220VAC to 9VAC at 50-60Hz, provides up to 1W for light electronic applications. Copper core for efficiency and stability, 2-wire output for quick connection, metal ears with 3.3mm holes for secure attachment, dimensions 30x30x27mm for easy mounting.

19.60 RON

Transformer 220VAC to 12VAC, 1W, copper core

In Stoc

Provides power conversion from 220VAC to 12VAC for low-power circuits and applications, operates at 50-60Hz, delivers up to 1W, has a copper core for efficiency and stability, includes metal mounting lugs for quick mounting, 2-wire output, compact dimensions 30x30x27 mm.

21.42 RON

Voltage step-down module, fixed, 14-80V to 12V, 0.85A, for E-Bike

In Stoc

Step-down converter for powering 12V accessories on e-bikes, scooters or electric scooters, works with batteries between 14 and 80V and offers a fixed 12V output up to 0.75A. It ensures conversion efficiency up to 85% at 150kHz, has polarity, overvoltage and short circuit protection, and the connection is made quickly via screw terminal.

46.69 RON

CNC power supply module, CC-CV, XY6020L, 1200W, 0-60VDC, 20A, step-down

In Stoc

CC-CV power supply module for CNC and automation applications, provides stable power supply for DC motors and consumers, with adjustable voltage 0-60V and constant current up to 20A, maximum power 1200W. The LCD screen allows quick setting and monitoring of voltage, current and power, and cooling with radiator and fan supports operation under load, with integrated overvoltage and overtemperature protections.

236.92 RON

ESC BLHeli, 30A, with UBEC, for radio models and drones, 2-4S, 16.8V

In Stoc

Electronic speed controller for brushless motors, ideal for quadcopters, fixed wings and FPV drones, offers 30A continuous and up to 40A peak for safe accelerations. BLHeli firmware ensures fast response and smooth control, and UBEC 5V 3A stably supplies the model's electronics. Compatible with 2-4S LiPo, programmable via FC or card.

92.09 RON

Step-down module, 4 outputs, 4.5-30V to 3.3V-5V-12V-ADJ

In Stoc

DC-DC step-down converter with 4 outputs for simultaneous power supply of multiple circuits, 3 fixed channels 3.3V, 5V and 12V plus an adjustable channel 2-28V. It operates at 4.5-30V input, offers up to 3A per channel and 50W total, with reverse polarity protection, current limiting and thermal shutdown, ideal for electronic projects and industrial applications.

79.34 RON

Synchronous step-down module, 9-30V to 5V, 5A, fixed

In Stoc

Synchronous buck converter for efficient power supply of 5V equipment from 9-30VDC sources, delivers up to 5A for consumers such as electronic boards, modules or peripherals. Offers efficiency up to 95% for reduced heating, stable fixed 5V output, synchronous rectification and reverse polarity protection, quick connection via screw terminals and common input-output GND.

21.02 RON

Voltage step-down module, multichannel, LM2596, 4-way, 3.3V, 5V, 12V, ADJ

In Stoc

Multichannel buck converter with 4 LM2596 regulators powered from a single source, ideal for projects that require simultaneously 3.3V, 5V, 12V and an adjustable potentiometer output. Provides up to 3A per channel, with high efficiency and stable voltage thanks to quality components, includes general ON OFF switch and removable screw connectors for quick wiring.

54.63 RON

Voltage step-down module, 6-40V, CV-CC, 300W

In Stoc

DC-DC step-down converter with precise regulation in CV-CC mode, ideal for power supplies and electronic projects that require stable voltage and current limiting. It accepts 6-40V at input and provides 1.2-36V adjustable at output, up to 300W and 20A max. It has high efficiency, dual power MOSFET, screw terminals for quick connections and heat sinks for heat dissipation.

37.17 RON

Modul convertor tensiune 3-24VDC la tensiune duala, 5V, 8W

Voltage converter module 3-24VDC to dual voltage, 5V, 8W

In Stoc

DC-DC converter with stable dual output, ideal for symmetrical power supply in audio applications, car amplifiers, LCD and measuring instruments. It works step-up and step-down with wide input 3-24VDC, preset output ±5V and power up to 8W, efficiency 70-90% and low standby consumption. The output voltage can be adjusted by changing the SMD resistor R1.

47.75 RON

Voltage converter module 3-24VDC to dual voltage, 12V, 8W

In Stoc

DC-DC converter with stable dual output, preset at ±12V, ideal for audio equipment, amplifiers, LCD and measuring instruments. It accepts wide 3-24VDC supply and works both as step-up and step-down, providing up to 8W with 70-90% efficiency. The output voltage can be changed by replacing the SMD resistor R1.

47.75 RON

Voltage converter module 3-24VDC to dual voltage, 24V, 8W

In Stoc

DC-DC converter with stable dual output, ideal for symmetrical power supplies in audio, car amplifiers, LCD and measuring devices. Accepts 3-24VDC and delivers from the factory ±24V up to 8W, works as step-up and step-down, efficiency 70-90% and soft start, output voltage can be adjusted by changing the SMD resistor R1.

47.75 RON

DC to Dual Voltage Converter Module, TPS5430, 3-24V to 5V

In Stoc

DC-DC converter with dual ±5V output, ideal for powering operational amplifiers, data converters and automation equipment. Accepts 5.5-28V input, delivers up to 3A on the positive branch, switches at 500kHz for stability, high efficiency up to 95 percent, includes ON OFF, LED and overcurrent and overheating protection, secure connections on screw terminals.

53.52 RON

copy of DC to dual voltage converter module, TPS5430, 3-24V to

DC to Dual Voltage Converter Module, TPS5430, 3-24V to 12V

In Stoc

DC-DC converter with TPS5430 for fast, stable dual power supply, ideal for operational amplifiers, instrumentation and automation. Works as a step-down from 5.5-28V and delivers ±12V with up to 3A on the positive branch, high efficiency and switching at 500kHz. Includes ON OFF, status LED, overcurrent and overtemperature protection, screw terminals for easy connection.

53.52 RON

Step-down module, USB, 6-24V to 5V, 3A

In Stoc

Synchronous buck converter with USB-A female output, steps down 6-24VDC to stable 5V for powering and charging mobile devices. Provides up to 2.1A constant and 3A peak, has high efficiency up to 97.5% and low ripple for clean voltage. Quickly connects on + and - pads, ideal for DIY powerbank, car, batteries or solar panels.

5.01 RON

Step-down module, MP1584, 4.5-20V to 0.8-20V, adjustable, 3A

In Stoc

Ultra-compact DC-DC buck converter for voltage reduction in DIY projects, drones, RC models and portable equipment, accepts 4.5-28V input and provides 0.8-20V adjustable via potentiometer, delivers up to 3A with high efficiency, fast switching for low ripple, dual connection pads on input and output for safe wiring.

6.86 RON

AMS1117 step-down module, 6-12V to 5V

In Stoc

Provides stable 5V power for Arduino, Raspberry Pi and other projects, accepts 6-12V DC input, delivers up to 800mA with current limiting for protection, includes red power LED for quick verification, 2.54 mm pin pitch and compact form factor for easy integration.

5.07 RON

Step-down module, XH-M401, 4-40V to 1.25-36V, 8A, 200W

In Stoc

DC-DC buck converter for lowering the voltage from 4-40V to 1.25-36V, with fine adjustment from the potentiometer, capable of up to 8A and 200W. It offers efficiency up to 94% and stable operation at 180kHz, being suitable for powering electronic equipment and DIY projects. Includes overcurrent, overtemperature and short circuit protections for reliable use.

20.64 RON

Step Down Modules