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    • Unbranded Power Step Down (Buck) Voltage Regulators

    Unbranded Power Step Down (Buck) Voltage Regulators

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    • Semiconductors & Actives
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    Best Selling

    • JacobsParts Mini360 DC Voltage Step Down Power Converter Buck Module - Set of 10
      JacobsParts Mini360 DC Voltage Step Down Power Converter Buck Module - Set of 10
      (67)Total Ratings 67
      $2.50 New
    • ZVS 2000w High Voltage Induction Heater Module Flyback Driver Heating Board Kit
      ZVS 2000w High Voltage Induction Heater Module Flyback Driver Heating Board Kit
      $83.66 New
    • DC Boost Step-up Power Module High Voltage Transformer 3v-6v to 400kv 400000v
      DC Boost Step-up Power Module High Voltage Transformer 3v-6v to 400kv 400000v
      (4)Total Ratings 4
      $6.62 New
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    2,202 Results

      • Type: Step Down (Buck) Voltage Regulator filter applied
      • Brand: Unbranded filter applied
      Clear All
      • Step Down (Buck) Voltage Regulator filter applied
      • Unbranded filter applied
      • DC to AC
      • DC to DC
      • All Listings filter applied
    • DC 12V 24V to DC 5V  Power Converter Voltage Regulator Step Down Buck Reducer

      DC 12V 24V to DC 5V Power Converter Voltage Regulator Step Down Buck Reducer

      $10.99 to $12.59
      Free shipping
      SPONSORED
    • DC 12V to 5V 3A 15W Step down USB Converter Regulator Adapter For Car Charger US

      DC 12V to 5V 3A 15W Step down USB Converter Regulator Adapter For Car Charger US

      $6.99
      Free shipping
      or Best Offer
      SPONSORED
    • 5pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      5pcs XL4015 5A DC Buck Step Down Voltage Converter Constant Current Power Module

      $12.27
      Was: $13.63
      $5.15 shipping
      SPONSORED
    • DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board Tool

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

      $9.59
      Free shipping
      SPONSORED
    • Mini DC-DC Buck Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3A

      Mini DC-DC Buck Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3A

      $0.99
      $0.91 shipping
      or Best Offer
      176 sold
    • AC/DC to DC Buck Adjustable Step Down Converter 3.3V 5V 12V 24V Volt Regulator

      AC/DC to DC Buck Adjustable Step Down Converter 3.3V 5V 12V 24V Volt Regulator

      $7.99
      $1.95 shipping
      or Best Offer
      304 sold
    • AC110V 220V 230V to DC ±5V ±12V ±15V Dual Output AC-DC Switching Power Supply

      AC110V 220V 230V to DC ±5V ±12V ±15V Dual Output AC-DC Switching Power Supply

      $7.38 to $7.49
      $1.99 shipping
      160 sold
    • DC-DC Buck Step Down Volt Converter 20V-60V 24V 36V 48V to 12V 3A Car Waterproof

      DC-DC Buck Step Down Volt Converter 20V-60V 24V 36V 48V to 12V 3A Car Waterproof

      $7.99 to $9.18
      Free shipping
      237 sold
    • 5pcs LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board

      5pcs LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board

      $5.97
      Was: $6.63
      $5.15 shipping
      192 sold
    • 2pcs 48W Dual USB QC 3.0 Fast Charge Step-down Buck Module Power 6-30V DC Input

      2pcs 48W Dual USB QC 3.0 Fast Charge Step-down Buck Module Power 6-30V DC Input

      $11.95
      Free shipping
    • 5pcs Mini360 Buck Converter Step Down Adjustable Power Supply Module DC-DC 1-17

      5pcs Mini360 Buck Converter Step Down Adjustable Power Supply Module DC-DC 1-17

      $5.07
      Was: $5.63
      $5.15 shipping
    • DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module US

      DC Adjustable Step Up Down Buck Boost Power Supply Voltage Regulator Module US

      $14.74
      Was: $15.68
      Free shipping
      or Best Offer
    • XY-L30A DC 6-60v 30A Lithium Battery Charging Control Module LCD Display Charger

      XY-L30A DC 6-60v 30A Lithium Battery Charging Control Module LCD Display Charger

      $9.57
      Was: $10.63
      $5.15 shipping
    • DC DC Step Down Converter 36V 48V 60V 12V Buck Regulator Golf Voltage Reducer

      DC DC Step Down Converter 36V 48V 60V 12V Buck Regulator Golf Voltage Reducer

      $14.15 to $123.23
      Was: $140.03
      Free shipping
      SPONSORED
    • Voltage Reducer Machine Waterproof DC-DC Transformer Step Down Buck Converters

      Voltage Reducer Machine Waterproof DC-DC Transformer Step Down Buck Converters

      $22.33 to $220.03
      Was: $250.03
      Free shipping
      SPONSORED
    • ZVS 2000W High-Voltage Induction Heater Module Flyback Driver Heating Module Kit

      ZVS 2000W High-Voltage Induction Heater Module Flyback Driver Heating Module Kit

      $97.99
      Free shipping
      or Best Offer
      SPONSORED
    • DC-DC Step-up Boost Converter  ±5V ±9V ±12V ±15V ±24V Dual Output Power Supply

      DC-DC Step-up Boost Converter ±5V ±9V ±12V ±15V ±24V Dual Output Power Supply

      $2.92 to $3.68
      $3.75 shipping
      59 sold
    • LM2596 DC-DC Buck Converter Step Down 3A Power Supply 1.23-30V Adjustable Module

      LM2596 DC-DC Buck Converter Step Down 3A Power Supply 1.23-30V Adjustable Module

      $4.51
      Was: $4.75
      Free shipping
      or Best Offer
    • AC-DC Converter 110V 120V 220V 230V to 5V 9V 12V 24V Power Supply Board Module

      AC-DC Converter 110V 120V 220V 230V to 5V 9V 12V 24V Power Supply Board Module

      $12.95 to $13.96
      $2.45 shipping
    • 5pcs 3A Mini DC-DC step down converter volt regulator 5V-23V to 3.3V 6V 9VC-dx

      5pcs 3A Mini DC-DC step down converter volt regulator 5V-23V to 3.3V 6V 9VC-dx

      $3.21
      Free shipping
      or Best Offer
    • AC-DC Power Supply Module AC 0.3A 3W 220V to DC 5V 12V 24V Mini Converter -qy

      AC-DC Power Supply Module AC 0.3A 3W 220V to DC 5V 12V 24V Mini Converter -qy

      $2.46 to $2.61
      $0.29 shipping
    • GOLF CART DC CONVERTER 10 AMP 36V 48 VOLT VOLTAGE REDUCER REGULATOR TO 12V 10A

      GOLF CART DC CONVERTER 10 AMP 36V 48 VOLT VOLTAGE REDUCER REGULATOR TO 12V 10A

      $17.59
      Free shipping
      or Best Offer
    • DC-DC 12V to USB 5V 3A Converter Regulator Step Down for Car GPS Smartphone US

      DC-DC 12V to USB 5V 3A Converter Regulator Step Down for Car GPS Smartphone US

      $6.99
      Free shipping
      or Best Offer
    • LM317 Adjustable Voltage Linear Regulator Step Down Module AC/DC to 5V 12V 24V

      LM317 Adjustable Voltage Linear Regulator Step Down Module AC/DC to 5V 12V 24V

      $4.56
      $3.75 shipping
      or Best Offer
      100 sold
    • 5pcs LM317T LM317 Adjustable Linear Voltage Regulator IC 1.2V to 37V 1.5A USA

      5pcs LM317T LM317 Adjustable Linear Voltage Regulator IC 1.2V to 37V 1.5A USA

      $3.63
      $5.15 shipping
      82 sold
    • AC-DC Power Supply Module AC 1A 5W 220V to DC 3V 5V 9V 12V 15V 24V Mini Conv Jf

      AC-DC Power Supply Module AC 1A 5W 220V to DC 3V 5V 9V 12V 15V 24V Mini Conv Jf

      $3.99 to $4.69
      Free shipping
    • 10PCS L7806CV L7806 LM7806 St TO-220 Positive Voltage Regulator 6V 1.5A IC USA

      10PCS L7806CV L7806 LM7806 St TO-220 Positive Voltage Regulator 6V 1.5A IC USA

      $5.63
      $5.15 shipping
      65 sold
    • 10pcs TP4056 Type-C USB 5V 1A 18650 Lithium Battery Charging & Protection DW01A

      10pcs TP4056 Type-C USB 5V 1A 18650 Lithium Battery Charging & Protection DW01A

      $7.77
      Was: $8.63
      $5.15 shipping
      48 sold
    • DC DC Converter 8-40V 12V Step Up/Down Buck Boost Voltage Regulator Stabilizer

      DC DC Converter 8-40V 12V Step Up/Down Buck Boost Voltage Regulator Stabilizer

      $18.20 to $73.57
      Was: $83.60
      Free shipping
      3 watching
      SPONSORED
    • DC-DC Buck Converter 12-48V 50-60A Step-Down Golf Cart Reducer Voltage Regulator

      DC-DC Buck Converter 12-48V 50-60A Step-Down Golf Cart Reducer Voltage Regulator

      $77.31 to $90.18
      Was: $102.48
      Free shipping
      4 watching
      SPONSORED
    • DC DC Converter Step Down Buck Regulator Durable 24-12 Volt Voltage Transformer

      DC DC Converter Step Down Buck Regulator Durable 24-12 Volt Voltage Transformer

      $12.45 to $61.21
      Was: $69.56
      Free shipping
      SPONSORED
    • Step Down Power Converter 24 Volt Buck to 12 Volt Voltage Regulator DC 20-30A

      Step Down Power Converter 24 Volt Buck to 12 Volt Voltage Regulator DC 20-30A

      $34.36 to $38.04
      Was: $41.14
      Free shipping
      SPONSORED
    • DC-DC Converter 20A300W Step Down Buck-Boost Power Adjustable Charger Board Tool

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

      $9.59
      Free shipping
    • DC 15-80V to DC 12V 3A 36W Waterproof Power Converter Step-Down Ebike

      DC 15-80V to DC 12V 3A 36W Waterproof Power Converter Step-Down Ebike

      $8.99
      $3.75 shipping
      120 sold
    • DC-DC 12V to 5V Mini/Micro/A type Single USB Converter Step Down Power Module

      DC-DC 12V to 5V Mini/Micro/A type Single USB Converter Step Down Power Module

      $2.66
      $3.00 shipping
    • 10 x LM2596S DC-DC Buck Converter Adjustable Step-Down Power Supply LM2596 DIP

      10 x LM2596S DC-DC Buck Converter Adjustable Step-Down Power Supply LM2596 DIP

      $11.37
      Was: $12.63
      $5.75 shipping
    • Buck Converter Step-Down Power Module 200W 15A DC-DC 8-60V TO 1-36V

      Buck Converter Step-Down Power Module 200W 15A DC-DC 8-60V TO 1-36V

      $16.49
      Free shipping
      or Best Offer
    • DC 6V-40V To 5V 3A Dual USB Charger Step Down Buck Power Supply Converter Module

      DC 6V-40V To 5V 3A Dual USB Charger Step Down Buck Power Supply Converter Module

      $3.05
      Free shipping
      or Best Offer
    • 300W DC7-80V to DC1.4-79V 20A Power Boost/buck Power Supply Module Solar MPPT

      300W DC7-80V to DC1.4-79V 20A Power Boost/buck Power Supply Module Solar MPPT

      $28.99 to $33.99
      $3.50 shipping
      SPONSORED
    • 480W DC 36V/48V To DC 24V20A Step Down Power Supply Converter Regulator Module

      480W DC 36V/48V To DC 24V20A Step Down Power Supply Converter Regulator Module

      $23.39
      Free shipping
      or Best Offer
      SPONSORED
    • 5x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module

      5x LM2596S DC-DC 3A Buck Adjustable Step-down Power Supply Converter Module

      $9.95
      or Best Offer
    • XL4016 DC DC 9A 300W Buck Step-Down Power Supply Adjustable Module CC CV USA

      XL4016 DC DC 9A 300W Buck Step-Down Power Supply Adjustable Module CC CV USA

      $8.67
      Was: $9.63
      $5.15 shipping
    • AC-DC Power Supply Module AC 0.3A 3W 220V  to DC  5V 12V 24V Mini Converter-UB

      AC-DC Power Supply Module AC 0.3A 3W 220V to DC 5V 12V 24V Mini Converter-UB

      $8.69
      Free shipping
    • Voltage Converter Regulator Reducer DC 12V Step-Down to 24V 10A 240W Waterproof

      Voltage Converter Regulator Reducer DC 12V Step-Down to 24V 10A 240W Waterproof

      $21.99
      Free shipping
    • 300W 20A DC-DC Converter Step Down Buck-Power LED Adjustable Charger Board Tool

      300W 20A DC-DC Converter Step Down Buck-Power LED Adjustable Charger Board Tool

      $9.59
      Free shipping
      or Best Offer
    • LED 3A DC-DC Buck Step Down Volt Converter 6V-32V to 3.3V 5V 6V 9V 12V 18V 24V

      LED 3A DC-DC Buck Step Down Volt Converter 6V-32V to 3.3V 5V 6V 9V 12V 18V 24V

      $4.86
      $3.75 shipping
      or Best Offer
      131 sold
    • DC/DC 15A Buck Adjustable 4-32V 12V to 1.2-32V 5V Converter Step Down Module DT

      DC/DC 15A Buck Adjustable 4-32V 12V to 1.2-32V 5V Converter Step Down Module DT

      $11.45
      Free shipping
      1,066 sold
    • LM317T L7805 L7806 L7808 L7809 L7810 L7812 L7815 L7818 L7824 10 Value Kit + Box

      LM317T L7805 L7806 L7808 L7809 L7810 L7812 L7815 L7818 L7824 10 Value Kit + Box

      $12.63
      $5.75 shipping
      58 sold

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