TZT Mini360 DC-DC HM Buck Converter Step Down Power Supply Module 4.75-23V to 1-17V 340KHz Mini-360 Ultra-small+ 17x11x3.8

$0.25

TZT XL4005 DSN5000 Beyond LM2596 DC-DC adjustable step-down 5A power Supply module,5A Large current Large power

$0.46

LM2596 DC-DC Step Down CC CV Power Supply Module LED Driver Battery Charger Adjustable LM2596S Constant Current Voltage good

$0.47

TZT XL4015 5A Adjustable Power CC/CV Step-down Charge Module LED Driver Voltmeter Ammeter Constant current constant voltage

$2.53

5A XL4015 DC-DC 4-38V to 1.25-36V 24V 12V 9V 5V Step Down Adjustable Power Supply Module LED Lithium Charger With Heat Sink

$0.53

Mini DC-DC 12-24V To 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8V 2.5V 3.3V 5V 9V 12V

$0.25

TZT LM317 DC-DC Converter Buck Step Down Circuit Board Module Linear Regulator LM317 Adjustable Voltage Regulator Power Supply

$0.28

TZT DC-DC 9V 12V 24V 36V To 5V Step Down Board 5A 4 USB Output Buck Converter Power Supply Module with Aluminum Shell For Phones

$1.74

LM2596 DC-DC Step-down Power Supply Module 3A Adjustable Step-down Module LM2596S Voltage Regulator 24V 12V 5V 3V For arduino

$0.34

TZT AC-DC 12V 450mA 5W Power Supply Buck Converter Step Down Module for arduino DIY KIT

$0.45

USB QC3.0 QC2.0 DC-DC Buck Converter Charging Step Down Module 6-32V 9V 12V 24V to Fast Quick Charger Circuit Board 3V 5V 12V

$0.34

TZT 9V 12V 24V to 5V 3A USB step-down voltage regulator module DC-DC Converter Phone Charger Car Power Supply Module charger

$0.62

TZT LM2596 DC 4.0~40 to 1.3-37V Adjustable Step-Down Power Module + LED Voltmeter DC/DC

$0.74

TZT 5V 700mA(3.5W) isolated switch power supply module AC 220v to 5v DC for Arduino AC-DC buck step-down module 220V turn 5V

$0.45

LM2596S DC-DC 3.6-46V 3A adjustable step-down power Supply module With reverse connection protection 5V voltage regulator RED

$0.44

DC/CC Adjustable 0.2- 9A 300W Step Down Buck Converter 5-40V To 1.2-35V Power Supply Module LED Driver for Arduino

$1.29

5pcs Mini360 DC-DC Buck Converter Step Down Module 4.75V-23V to 1V-17V 17x11x3.8mm

$1.07

1PCS 5A 75W Adjustable 5A CC/CV Power Step-down Charge Module LED Driver USB Voltmeter Ammeter Voltage Regulator

$1.12

LM2596HVS LM2596 power supply module DC-DC BUCK 3A adjustable buck module regulator ultra LM2596S Step down 24V switch 12V 5V 3V

$0.34

LM2596 LM2596S power module + LED Voltmeter DC-DC adjustable step-down power supply module with digital display

$0.67