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    • Power Regulators & Converters

    Power Regulators & Converters

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    67,047 Results

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      • All Listings filter applied
    • DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board Tool
      SPONSORED

      DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board Tool

      C $12.83
      C $20.57 shipping
      370 sold
    • 1x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module
      SPONSORED

      1x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module

      C $5.77 to C $15.11
      C $20.31 shipping
      651 sold
    • DC 3v-6v to 400kV 400000V Boost Step-up Power Module High-voltage Generator
      SPONSORED

      DC 3v-6v to 400kV 400000V Boost Step-up Power Module High-voltage Generator

      C $3.54
      C $3.15 shipping
      14,204 sold
    • XL4015 5A DC Buck Voltage Power Converter w/ Voltmeter  CNC Digital Controls KIT
      SPONSORED

      XL4015 5A DC Buck Voltage Power Converter w/ Voltmeter CNC Digital Controls KIT

      C $6.42
      C $3.72 shipping
      or Best Offer
    • LM2596 DC-DC Adjustable Buck Converter Step Down Module 1.23-30V free shipping

      LM2596 DC-DC Adjustable Buck Converter Step Down Module 1.23-30V free shipping

      C $0.99
      Free shipping
      or Best Offer
      2,271 sold
    • LM317 DC-DC step down converter 4.2V-40V to 1.2V-37V linear voltage .OU

      LM317 DC-DC step down converter 4.2V-40V to 1.2V-37V linear voltage .OU

      C $2.02
      Free shipping
      or Best Offer
    • 12V-48V Battery Low Voltage Cut Off Switch LED Excessive Protection Controller

      12V-48V Battery Low Voltage Cut Off Switch LED Excessive Protection Controller

      C $11.52
      C $5.08 shipping
      or Best Offer
      156 sold
    • 4PCS L7805CV L785 TO-220 ST Voltage Regulator 35 to 5V STM #466

      4PCS L7805CV L785 TO-220 ST Voltage Regulator 35 to 5V STM #466

      C $1.66
      C $1.97 shipping
      Only 2 left
    • DC-DC Boost Step Up Converter Dual Output ±5V ±9V ±12V ±15V Voltage Regulator

      DC-DC Boost Step Up Converter Dual Output ±5V ±9V ±12V ±15V Voltage Regulator

      C $2.52 to C $2.67
      C $5.08 shipping
      121 sold
    • 15KV High Voltage Inverter Generator Spark Arc Ignition Coil Module DIY Kit 3.7V

      15KV High Voltage Inverter Generator Spark Arc Ignition Coil Module DIY Kit 3.7V

      C $3.07
      C $2.55 shipping
      2,130 sold
    • 2PCS Dual MOS Battery Protection Board for 18650

      2PCS Dual MOS Battery Protection Board for 18650

      C $1.27
      C $2.55 shipping
    • LM2596 DC-DC Step-down Adjustable CC/CV Power Supply Module Converter LED driver

      LM2596 DC-DC Step-down Adjustable CC/CV Power Supply Module Converter LED driver

      C $1.93
      C $2.55 shipping
      3,537 sold
    • AC/DC LM317 Linear Regulator Step down Rectifier Power Module 1.25-37V .xy

      AC/DC LM317 Linear Regulator Step down Rectifier Power Module 1.25-37V .xy

      C $3.87
      Free shipping
      or Best Offer
    • 10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V
      SPONSORED

      10pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V

      C $10.09
      C $20.16 shipping
      1,633 sold
    • Car Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15W
      SPONSORED

      Car Waterproof DC-DC Converter 12V Step Down to 5V Power Supply Module 3A 15W

      C $6.93
      C $21.07 shipping
      130 sold
    • DC 12V TO 24V STEP UP DC CONVERTER 10AMP VOLTAGE REGULATOR 10A BOOST MODULE
      SPONSORED

      DC 12V TO 24V STEP UP DC CONVERTER 10AMP VOLTAGE REGULATOR 10A BOOST MODULE

      C $19.91
      C $23.82 shipping
      178 sold
    • 2XLM2596 DC-DC Adjustable Buck Converter Step Down Power Supply 1.23V-30V CA

      2XLM2596 DC-DC Adjustable Buck Converter Step Down Power Supply 1.23V-30V CA

      C $0.99
      Free shipping
      or Best Offer
    • 2S/3S/4S/5S/6S BMS Charger PCB Li-ion Lithium 18650 Battery Protection Board

      2S/3S/4S/5S/6S BMS Charger PCB Li-ion Lithium 18650 Battery Protection Board

      C $2.43 to C $9.39
      C $4.23 shipping
    • 5V USB 1S 3.7V Lipo Lithium Li-ion 18650 Battery Charging Board Charger Module

      5V USB 1S 3.7V Lipo Lithium Li-ion 18650 Battery Charging Board Charger Module

      C $1.27 to C $5.08
      C $5.08 shipping
      184 sold
    • Titan Controls Helios 6, 8-Light 240 Volt Controller w/Dual Trigger Cords [34568

      Titan Controls Helios 6, 8-Light 240 Volt Controller w/Dual Trigger Cords [34568

      C $250.00
      or Best Offer
    • 2S/4S/3S/5S PCB BMS Protection Board For 18650 Li-ion Lithium Battery Cell

      2S/4S/3S/5S PCB BMS Protection Board For 18650 Li-ion Lithium Battery Cell

      C $1.23 to C $13.05
      Was: C $1.69
      C $1.99 shipping
      71 sold
    • Waterproof DC to DC buck Converter 12V to 3/3.3/3.7/5/6/9V Power Module Supply

      Waterproof DC to DC buck Converter 12V to 3/3.3/3.7/5/6/9V Power Module Supply

      C $13.67
      C $8.05 shipping
      160 sold
    • 10PCS UA741CN ST OPERATIONAL AMPLIFIER OP AMP DIP8 NEW GOOD QUALITY

      10PCS UA741CN ST OPERATIONAL AMPLIFIER OP AMP DIP8 NEW GOOD QUALITY

      C $0.99
      Free shipping
      or Best Offer
    • DC-DC Step Up Converter MT3608 Booster Power Supply Module micro USB. CANADA!!!

      DC-DC Step Up Converter MT3608 Booster Power Supply Module micro USB. CANADA!!!

      C $1.97
      C $2.55 shipping
      35 sold
    • 5PCS Universal Prototype Electronic Component Paper PCB Test Circuit Board 5*7cm

      5PCS Universal Prototype Electronic Component Paper PCB Test Circuit Board 5*7cm

      C $0.99
      Free shipping
      or Best Offer
    • AC-DC Buck Voltage Converter AC 110V 220V to DC 12V 600mA Isolated Power Supply

      AC-DC Buck Voltage Converter AC 110V 220V to DC 12V 600mA Isolated Power Supply

      C $6.42
      C $5.08 shipping
      or Best Offer
    • DC-DC Buck Step Down Adjustable Converter 4.5-60V to 3.3V 5V 6V 9V 12V 24V 3A

      DC-DC Buck Step Down Adjustable Converter 4.5-60V to 3.3V 5V 6V 9V 12V 24V 3A

      C $2.89
      C $5.08 shipping
      or Best Offer
      340 sold
    • DC-DC 12V To 5V Converter Step Down Module USB Output Power Adapter 3A 15W

      DC-DC 12V To 5V Converter Step Down Module USB Output Power Adapter 3A 15W

      C $4.04
      C $3.15 shipping
      234 sold
    • 4S 60A 100A 12v 14.6v LiFePO4 LFP LiFe Iron BMS Battery Balance Protection 3.2v
      SPONSORED

      4S 60A 100A 12v 14.6v LiFePO4 LFP LiFe Iron BMS Battery Balance Protection 3.2v

      C $25.57
      C $19.09 shipping
      773 sold
    • Buck Step-down M309 Power Converter Module DC 12V 24V 48V 100V to 5V 1.5Amp
      SPONSORED

      Buck Step-down M309 Power Converter Module DC 12V 24V 48V 100V to 5V 1.5Amp

      C $7.42 to C $16.65
      C $20.35 shipping
    • XY-L10A  Lithium Battery Charge Controller Protection Board 6-60V LCD Display US
      SPONSORED

      XY-L10A Lithium Battery Charge Controller Protection Board 6-60V LCD Display US

      C $10.53
      Was: C $12.38
      192 sold
    • Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter
      SPONSORED

      Buck Step-down LM2596 Power Converter Module DC 4.0~40 to 1.3-37V LED Voltmeter

      C $7.39
      C $20.08 shipping
      1,106 sold
    • Hot Sell  10PCS  NEW  LM1084IT-5.0  LM1084IT  LM1084   TO-220  Regulator chip

      Hot Sell 10PCS NEW LM1084IT-5.0 LM1084IT LM1084 TO-220 Regulator chip

      C $3.21
      C $6.43 shipping
      or Best Offer
    • 1500W 30A DC-DC Boost Converter 10-60V to 12-90V Step Up Power Supply Module

      1500W 30A DC-DC Boost Converter 10-60V to 12-90V Step Up Power Supply Module

      C $33.32
      Was: C $37.03
      C $3.86 shipping
      182 sold
    • 4S 30A 14.8V Li-ion 18650 Battery BMS  & Protection Board Balance #1034

      4S 30A 14.8V Li-ion 18650 Battery BMS & Protection Board Balance #1034

      C $6.37
      C $2.21 shipping
      43 sold
    • AVR B-292902 Circuit Board Transistor For Kohler PCB Automatic Voltage Regulator

      AVR B-292902 Circuit Board Transistor For Kohler PCB Automatic Voltage Regulator

      C $402.28
      C $12.86 shipping
    • UVR-1 Reinhausen universal voltage regulator control

      UVR-1 Reinhausen universal voltage regulator control

      C $320.13
      or Best Offer
    • DC-DC Converter 10/12/15/20A 150/250/300/400/1200W Step up Step down Buck Boost

      DC-DC Converter 10/12/15/20A 150/250/300/400/1200W Step up Step down Buck Boost

      C $6.27 to C $19.71
      C $2.55 shipping
    • 4S 100A 12V 16.8V Li-ion LiPo Lithium BMS LED Heatsink Battery Balance Board
      SPONSORED

      4S 100A 12V 16.8V Li-ion LiPo Lithium BMS LED Heatsink Battery Balance Board

      C $25.70
      217 sold
    • 10pcs LM338K LM338 1.2-30V Adjustable Voltage Regulator 5A TO-3 IC
      SPONSORED

      10pcs LM338K LM338 1.2-30V Adjustable Voltage Regulator 5A TO-3 IC

      C $27.81
      50 sold
    • Digispark Kickstarter Attiny85 USB Development Board for arduino NEW

      Digispark Kickstarter Attiny85 USB Development Board for arduino NEW

      C $3.80
      Free shipping
      or Best Offer
    • 10pcs lm317t lm317 to-220 voltage regulator ic

      10pcs lm317t lm317 to-220 voltage regulator ic

      C $5.13
      Free shipping
      or Best Offer
      224 sold
    • GENUINE STAMFORD MX321 VOLTAGE REGULATOR E000-23212/1P CIRCUIT BREAKER GENERATOR

      GENUINE STAMFORD MX321 VOLTAGE REGULATOR E000-23212/1P CIRCUIT BREAKER GENERATOR

      C $516.19
      C $56.18 shipping
      or Best Offer
    • 6S 15A BMS Protection PCB Board For 6 Packs Li-ion Lithium 18650 Battery Cells

      6S 15A BMS Protection PCB Board For 6 Packs Li-ion Lithium 18650 Battery Cells

      C $3.33
      C $3.15 shipping
      452 sold
    • DC-DC 100W 3V 5V 12V 24V to 3.5-35V Boost Step-up Converter Module Power Supply

      DC-DC 100W 3V 5V 12V 24V to 3.5-35V Boost Step-up Converter Module Power Supply

      C $5.07
      C $5.08 shipping
      or Best Offer
      487 sold
    • 10pcs 5A LM338K LM338 Voltage Adjustable Regulator 1.2V To 32V

      10pcs 5A LM338K LM338 Voltage Adjustable Regulator 1.2V To 32V

      C $8.31
      C $3.15 shipping
      130 sold
    • Durable Alloy Spring Battery Contact Plate Replacement Set For AA AAA Batteries

      Durable Alloy Spring Battery Contact Plate Replacement Set For AA AAA Batteries

      C $2.98 to C $8.75
      Was: C $3.24
      Free shipping
    • TEC1-12706 12V 60W  Heatsink Thermoelectric Cooler Cooling Peltier Plate Module

      TEC1-12706 12V 60W Heatsink Thermoelectric Cooler Cooling Peltier Plate Module

      C $2.56
      Free shipping

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