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      AlibabaElectrical Equipment & SuppliesPower SuppliesInverters & ConvertersWholesale dc dc 12v to 5v 3a

      Dc Dc 12v To 5v 3a

      (33577 products available)

      AC 220V To DC 5V 9V 12V 15V 18V 24V 0.5A 1A 1.5A 1.6A 2A 2.5A 3A AC DC Power Supply EU plug 12V 1A Switching Adapters with CE GS

      AC 220V To DC 5V 9V 12V 15V 18V 24V 0.5A 1A 1.5A 1.6A 2A 2.5A 3A AC DC Power Supply EU plug 12V 1A Switching Adapters with CE GS

      Ready to Ship
      $1.29 - $1.69
      $1.43-$1.88
      Min Order: 100 pieces
      Shipping per piece: $3.47
      CN
      9 yrsverify
      4.9
      /5
      ·
      46 reviews
      ·
      "great service"
      Contact Supplier
      DC 8-22V to 3-15V 5V 12V 3A DC-DC Buck Converter Voltage Regulator Adjustable Output Power Supply Transformer Waterproof

      DC 8-22V to 3-15V 5V 12V 3A DC-DC Buck Converter Voltage Regulator Adjustable Output Power Supply Transformer Waterproof

      Ready to Ship
      $3.20 - $3.50
      Min Order: 10 pieces
      Shipping per piece: $1.14
      CN
      6 yrs
      4.7
      /5
      ·
      39 reviews
      ·
      "excellent service"
      Contact Supplier
      DC 5V 6V 7V 8V 9V 10V 11V to DC 12V 1A 2A 3A Boost Step Up Converter 5 6 7 8 9 10 11 Volt to 12 Volt Booster Module

      DC 5V 6V 7V 8V 9V 10V 11V to DC 12V 1A 2A 3A Boost Step Up Converter 5 6 7 8 9 10 11 Volt to 12 Volt Booster Module

      $4.99 - $5.79
      Min Order: 100 pieces
      CN
      9 yrs
      5.0
      /5
      ·
      9 reviews
      ·
      "good customer service"
      Contact Supplier
      AC 100 240V to DC 12 v adapter 2a 5v 1a 2a 3a 9v 1a 2a 12V 1A 2A 3A dc us eu wall plug adaptor suppluy 12v adapter 12v 1a

      AC 100 240V to DC 12 v adapter 2a 5v 1a 2a 3a 9v 1a 2a 12V 1A 2A 3A dc us eu wall plug adaptor suppluy 12v adapter 12v 1a

      $0.73 - $0.78
      Min Order: 20 pieces
      CN
      6 yrs
      4.8
      /5
      ·
      6 reviews
      ·
      "fast logistics"
      Contact Supplier
      MYIXI KC KCC Input AC 220V to DC 0.5A 1A 2A 3A 4A 5A Adapter 5V 9V 12V 15V 18V 24V Korea Plug ac dc Adapter Power

      MYIXI KC KCC Input AC 220V to DC 0.5A 1A 2A 3A 4A 5A Adapter 5V 9V 12V 15V 18V 24V Korea Plug ac dc Adapter Power

      $1.38 - $1.99
      Min Order: 3 boxes
      CN
      7 yrsverify
      4.9
      /5
      ·
      8 reviews
      ·
      "arrived on time"
      Contact Supplier
      12v to 5v 1A 2A 3A Buck DC Converter Car Power Supply Module mini Step Down DC 12V to 5V DC converter

      12v to 5v 1A 2A 3A Buck DC Converter Car Power Supply Module mini Step Down DC 12V to 5V DC converter

      $2.00 - $3.00
      Min Order: 10 pieces
      CN
      12 yrs
      5.0
      /5
      ·
      25 reviews
      ·
      "Excellent service"
      Contact Supplier
      Factory Direct Sale Customize Power Supply ac to dc Power Adaptor 5V 6V 9V 12V 15v 24V 1A 1.5a 2a 2.5a 3a 4a 5a Power Adapter 5v

      Factory Direct Sale Customize Power Supply ac to dc Power Adaptor 5V 6V 9V 12V 15v 24V 1A 1.5a 2a 2.5a 3a 4a 5a Power Adapter 5v

      $1.00 - $4.00
      Min Order: 600 pieces
      CN
      5 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "good service"
      Contact Supplier
      Waterproof 12v to 5v step down converter 1A 2A 3A DC to DC Converter Step Down Voltage regulator for Car Audio Conversion

      Waterproof 12v to 5v step down converter 1A 2A 3A DC to DC Converter Step Down Voltage regulator for Car Audio Conversion

      Ready to Ship
      $2.48 - $2.68
      Min Order: 1 piece
      Shipping per piece: $4.32
      CN
      7 yrsverify
      4.9
      /5
      ·
      45 reviews
      ·
      "Fast shipping"
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      Dual female USB 3amp car bus step down 15w dc 24v to 5vdc 3a dc 12v to 5v usb converter

      Dual female USB 3amp car bus step down 15w dc 24v to 5vdc 3a dc 12v to 5v usb converter

      Ready to Ship
      $2.37 - $2.53
      Min Order: 10 units
      Shipping per piece: $1.40
      CN
      6 yrs
      4.9
      /5
      ·
      110 reviews
      ·
      "customer service"
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      High quality multi plug power adapt AC to DC 12V 2A 24V 1A 7.5V 2.5A 5V 3A power adapter for TV box

      High quality multi plug power adapt AC to DC 12V 2A 24V 1A 7.5V 2.5A 5V 3A power adapter for TV box

      $3.43 - $3.58
      Min Order: 1 piece
      CN
      14 yrs
      4.8
      /5
      ·
      8 reviews
      ·
      "good service"
      Contact Supplier
      DC 12V to 5V 3A 15W Buck Converter Step Down Module Single Male USB Output Power Adapter for Car

      DC 12V to 5V 3A 15W Buck Converter Step Down Module Single Male USB Output Power Adapter for Car

      Ready to Ship
      $1.12 - $1.27
      Min Order: 10 pieces
      Shipping per piece: $1.92
      CN
      3 yrs
      4.7
      /5
      ·
      42 reviews
      ·
      "fast shipping"
      Contact Supplier
      Dual USB female port step up dc dc converter 12v to 5v 3a for LED

      Dual USB female port step up dc dc converter 12v to 5v 3a for LED

      Ready to Ship
      $2.90 - $3.40
      Min Order: 10 pieces
      Shipping per piece: $2.19
      CN
      16 yrsverify
      4.9
      /5
      ·
      45 reviews
      ·
      "Good customer service"
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      Customizable 12V24V to 5V Dc to dc Converter Step Down 12v to 5v Buck Converters 1A 2A 3A 5A Car Power Module 5v Waterproof

      Customizable 12V24V to 5V Dc to dc Converter Step Down 12v to 5v Buck Converters 1A 2A 3A 5A Car Power Module 5v Waterproof

      Ready to Ship
      $1.54 - $2.46
      Min Order: 10 pieces
      Shipping per piece: $3.56
      CN
      5 yrs
      5.0
      /5
      ·
      22 reviews
      ·
      "Great service"
      Contact Supplier
      LM2596-ADJ Buck Converter Voltage Regulator DC 3V-40V 24V Step-Down to DC 1.23V-37V 5V 9V 12V Volt Reducer Board 3A Power Supply

      LM2596-ADJ Buck Converter Voltage Regulator DC 3V-40V 24V Step-Down to DC 1.23V-37V 5V 9V 12V Volt Reducer Board 3A Power Supply

      $3.50 - $7.00
      Min Order: 1 piece
      CN
      10 yrs
      4.9
      /5
      ·
      68 reviews
      ·
      "Good service"
      Contact Supplier
      12v 24v to 5v micro usb 3a dc to dc buck converter step down transformer car power charger contacts for mobile

      12v 24v to 5v micro usb 3a dc to dc buck converter step down transformer car power charger contacts for mobile

      Ready to Ship
      $1.88 - $2.80
      Min Order: 1 piece
      Shipping per piece: $4.62
      CN
      8 yrsverify
      4.8
      /5
      ·
      59 reviews
      ·
      "good service"
      Contact Supplier
      Switching Power Supply AC 110V 220V To DC 5V 12V 24V Power Adapter 1A 2A 3A 5A 10A 15A 20A 30A For Led Strip CCTV

      Switching Power Supply AC 110V 220V To DC 5V 12V 24V Power Adapter 1A 2A 3A 5A 10A 15A 20A 30A For Led Strip CCTV

      $3.20 - $24.20
      Min Order: 20 pieces
      CN
      10 yrs
      4.9
      /5
      ·
      22 reviews
      ·
      "Fast delivery"
      Contact Supplier
      AC 100-240V to DC 5V 5.5V 9V 12V 24V 3A 2A 2000MA Power Adapter Supply Charger Converter For POE CCTV POE Camera Raspberry PI

      AC 100-240V to DC 5V 5.5V 9V 12V 24V 3A 2A 2000MA Power Adapter Supply Charger Converter For POE CCTV POE Camera Raspberry PI

      $1.80 - $3.20
      Min Order: 500 pieces
      CN
      7 yrsverify
      5.0
      /5
      ·
      35 reviews
      ·
      "customer service"
      Contact Supplier
      Universal Input AC 220V To DC 1A 1.5A 2A 3A 4A Power Adapter 5V 9V 12V 15V 18V 24V adaptor with ETL PSE KC CE FCC certificate

      Universal Input AC 220V To DC 1A 1.5A 2A 3A 4A Power Adapter 5V 9V 12V 15V 18V 24V adaptor with ETL PSE KC CE FCC certificate

      $1.99 - $3.00
      Min Order: 1 piece
      CN
      15 yrsverify
      4.6
      /5
      ·
      16 reviews
      ·
      "customer service"
      Contact Supplier
      factory direct sale desktop type 100-240V input AC to DC power adapter 5V 9V 12V 15V 18V 19V 24v 3A 3.94A 5A 6A 75W for ebike

      factory direct sale desktop type 100-240V input AC to DC power adapter 5V 9V 12V 15V 18V 19V 24v 3A 3.94A 5A 6A 75W for ebike

      $0.96 - $1.53
      Min Order: 100 pieces
      CN
      5 yrsverify
      5.0
      /5
      ·
      1 reviews
      ·
      "Great customer service"
      Contact Supplier
      DC 9-36V to DC 5V Step-Down Converter Buck Module 12V 24V to 5V 3A 15W USB Output Power Supply Charger

      DC 9-36V to DC 5V Step-Down Converter Buck Module 12V 24V to 5V 3A 15W USB Output Power Supply Charger

      Ready to Ship
      $1.43 - $1.76
      Min Order: 500 pieces
      Shipping per piece: $0.50
      CN
      8 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "great service"
      Contact Supplier
      DC 9V 12V 24V 36V 48V 72V 84V 120V to 5V 12V 3A Step Down Module Power Supply DC DC converter Non-isolated Buck Converter

      DC 9V 12V 24V 36V 48V 72V 84V 120V to 5V 12V 3A Step Down Module Power Supply DC DC converter Non-isolated Buck Converter

      $1.75
      Min Order: 20 pieces
      CN
      3 yrs
      4.8
      /5
      ·
      27 reviews
      ·
      "Good service"
      Contact Supplier
      Black Eu Plug Ac To Dc 5.5 2.1 mm Wall Adapter 5V 9V 12V 15V 24V 1A 1.5A 2A 3A 5A 7A For Security System CCTV Camera Charger

      Black Eu Plug Ac To Dc 5.5 2.1 mm Wall Adapter 5V 9V 12V 15V 24V 1A 1.5A 2A 3A 5A 7A For Security System CCTV Camera Charger

      Ready to Ship
      $1.40 - $1.60
      Min Order: 500 pieces
      Shipping per piece: $0.27
      CN
      11 yrsverify
      5.0
      /5
      ·
      7 reviews
      ·
      "Great service"
      Contact Supplier
      DC DC 12V 24V to 5V 3A 15W Step Down Converter Car LED Adjustable Power Module Supply

      DC DC 12V 24V to 5V 3A 15W Step Down Converter Car LED Adjustable Power Module Supply

      Ready to Ship
      $1.90
      Min Order: 5 units
      Shipping per piece: $2.45
      CN
      9 yrs
      4.9
      /5
      ·
      11 reviews
      ·
      "fast shipping"
      Contact Supplier
      Okystar OEM ODM Dual USB 9V 12V 24V 36V to 5V 3A DC to DC Step Down Buck Converter Power Module

      Okystar OEM ODM Dual USB 9V 12V 24V 36V to 5V 3A DC to DC Step Down Buck Converter Power Module

      $0.42 - $0.47
      Min Order: 25 pieces
      CN
      12 yrsverify
      4.8
      /5
      ·
      48 reviews
      ·
      "good service"
      Contact Supplier
      110 vac to 220 vac ac / dc 5v 12v 24v 1a 2a 3a adaptor power adapter 12v 2a for led strip

      110 vac to 220 vac ac / dc 5v 12v 24v 1a 2a 3a adaptor power adapter 12v 2a for led strip

      $1.00 - $5.22
      Min Order: 500 pieces
      CN
      6 yrsverify
      5.0
      /5
      ·
      8 reviews
      ·
      "arrived on time"
      Contact Supplier
      Wall-Mounted with US/EU/UK Plug in Connection AC Power Supply 100V-240V to DC 5V 3a 12V 2A Power Adapter

      Wall-Mounted with US/EU/UK Plug in Connection AC Power Supply 100V-240V to DC 5V 3a 12V 2A Power Adapter

      Ready to Ship
      $1.35 - $1.50
      Min Order: 10 pieces
      Shipping per piece: $2.58
      CN
      5 yrsverify
      4.8
      /5
      ·
      74 reviews
      ·
      "fast delivery"
      Contact Supplier
      12v 24v to 5V 3A DC to DC step down converter double usb power supply module for phone

      12v 24v to 5V 3A DC to DC step down converter double usb power supply module for phone

      $2.50 - $3.00
      Min Order: 20 pieces
      CN
      11 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "good service"
      Contact Supplier
      Factory direct sale Power supply Input 100-240V ac to dc battery charger Adaptor 5V 9V 12V 24V 1A 2a 3a 4a 5a Power Adapter

      Factory direct sale Power supply Input 100-240V ac to dc battery charger Adaptor 5V 9V 12V 24V 1A 2a 3a 4a 5a Power Adapter

      Ready to Ship
      $10.50 - $11.00
      Min Order: 2 pieces
      Shipping per piece: $8.50
      CN
      12 yrsverify
      4.9
      /5
      ·
      23 reviews
      ·
      "good service"
      Contact Supplier
      IP68 DC To DC Converter Step Down Module 12V to 5V 3A 15W Transformer Converter USB A Female+Micro USB Male Output Power Adapter

      IP68 DC To DC Converter Step Down Module 12V to 5V 3A 15W Transformer Converter USB A Female+Micro USB Male Output Power Adapter

      Ready to Ship
      $1.79 - $2.19
      $3.45-$4.22
      Min Order: 20 pieces
      Shipping per piece: $1.16
      CN
      6 yrsverify
      4.9
      /5
      ·
      19 reviews
      ·
      "uncomplicated delivery"
      Contact Supplier
      36w Universal Power Supply Ac To Dc 3v 4.5v 5v 6v 7.5v 9v 12v 1a 2a 3a Switching Power Supply Adapter

      36w Universal Power Supply Ac To Dc 3v 4.5v 5v 6v 7.5v 9v 12v 1a 2a 3a Switching Power Supply Adapter

      Ready to Ship
      $1.50 - $1.60
      Min Order: 300 pieces
      Shipping per piece: $0.24
      CN
      10 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "Great service"
      Contact Supplier
      Factory direct sale Power supply Input 100-240V ac to dc Adaptor 5V 9V 12V 24V 1A 2a 3a 4a 5a Power Adapter

      Factory direct sale Power supply Input 100-240V ac to dc Adaptor 5V 9V 12V 24V 1A 2a 3a 4a 5a Power Adapter

      $1.80 - $2.00
      Min Order: 1 piece
      CN
      3 yrs
      5.0
      /5
      ·
      7 reviews
      ·
      "fast shipping"
      Contact Supplier
      LED Driver Power Supply AC to DC 12V 5V 6V 8V 9V 10V 13V 14V 15V 24V 1A 1.5A 2A 3A Transformer Power Adapter

      LED Driver Power Supply AC to DC 12V 5V 6V 8V 9V 10V 13V 14V 15V 24V 1A 1.5A 2A 3A Transformer Power Adapter

      $2.00 - $3.00
      Min Order: 5 pieces
      CN
      16 yrsverify
      3.6
      /5
      ·
      3 reviews
      ·
      "Good service"
      Contact Supplier
      AC 110v 220v to 12v 5v 24v 36v DC Switching Power Supply 1A 2A 3A 2.5A 5A 8A 10A 15A 20A 30A 40A 50A

      AC 110v 220v to 12v 5v 24v 36v DC Switching Power Supply 1A 2A 3A 2.5A 5A 8A 10A 15A 20A 30A 40A 50A

      $7.00 - $9.00
      Min Order: 100 pieces
      CN
      12 yrsverify
      4.6
      /5
      ·
      20 reviews
      ·
      "good service"
      Contact Supplier
      Desktop 70W transformer AC 230V to DC 5V 6V 9V 15V 18V 20V 12v 5 a adapter 24V 3A power supply for led light

      Desktop 70W transformer AC 230V to DC 5V 6V 9V 15V 18V 20V 12v 5 a adapter 24V 3A power supply for led light

      $3.50 - $5.00
      Min Order: 5 pieces
      CN
      14 yrs
      5.0
      /5
      ·
      5 reviews
      ·
      "Good job"
      Contact Supplier
      Power Supply Module 50W 3.3V 5V 12V 15V 24V 10A 4A 3A 2A Step Down DC to DC Converter Input 18-36V

      Power Supply Module 50W 3.3V 5V 12V 15V 24V 10A 4A 3A 2A Step Down DC to DC Converter Input 18-36V

      Ready to Ship
      $10.20 - $11.18
      Min Order: 10 pieces
      Shipping per piece: $4.27
      CN
      7 yrs
      5.0
      /5
      ·
      4 reviews
      ·
      "Great service"
      Contact Supplier
      Universal Power Supply Input AC 240V To DC 5v 6v 9v 12v 12.6v 15v 16v 24v 1a 2a 2.5a 3a 4a 5a Wall Plug Power Adapter

      Universal Power Supply Input AC 240V To DC 5v 6v 9v 12v 12.6v 15v 16v 24v 1a 2a 2.5a 3a 4a 5a Wall Plug Power Adapter

      Ready to Ship
      $0.97 - $1.10
      Min Order: 1 piece
      Shipping per piece: $4.98
      CN
      3 yrsverify
      4.8
      /5
      ·
      58 reviews
      ·
      "good service"
      Contact Supplier
      AC 100-240V to DC 5V 9V 12V 24V 15V 36V 45V 1A 1.5A 2A 3A 4A 5A 8A 10A 12.5A Switching Power Supply Module Board

      AC 100-240V to DC 5V 9V 12V 24V 15V 36V 45V 1A 1.5A 2A 3A 4A 5A 8A 10A 12.5A Switching Power Supply Module Board

      $0.89 - $30.00
      Min Order: 100 pieces
      CN
      5 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Waterproof Shockproof 36V 24V 12V To 5V 1A 2A 3A Step Down Power Converter Ac To Dc

      Waterproof Shockproof 36V 24V 12V To 5V 1A 2A 3A Step Down Power Converter Ac To Dc

      $2.23 - $3.59
      Min Order: 5 pieces
      CN
      2 yrsverify
      4.9
      /5
      ·
      22 reviews
      ·
      "Great supplier"
      Contact Supplier
      CE GS Power Supply Input AC 240V To DC 5v 6v 9v 12v 12.6v 15v 16v 24v 1a 2a 2.5a 3a 4a 5a Wall Plug waterproof Power Adapter

      CE GS Power Supply Input AC 240V To DC 5v 6v 9v 12v 12.6v 15v 16v 24v 1a 2a 2.5a 3a 4a 5a Wall Plug waterproof Power Adapter

      $1.86 - $3.50
      Min Order: 10 pieces
      CN
      10 yrsverify
      5.0
      /5
      ·
      5 reviews
      ·
      "good service"
      Contact Supplier
      DC Power Supply AC 110V 220V To DC 5V 12V 24V Power Adapter 1A 2A 3A 5A 10A 15A 20A 30A For Led Strip CCTV

      DC Power Supply AC 110V 220V To DC 5V 12V 24V Power Adapter 1A 2A 3A 5A 10A 15A 20A 30A For Led Strip CCTV

      Ready to Ship
      $9.79 - $10.69
      Min Order: 10 pieces
      Shipping per piece: $4.75
      CN
      11 yrs
      4.9
      /5
      ·
      11 reviews
      ·
      "efficient delivery"
      Contact Supplier
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      About products and suppliers

      33577 dc dc 12v to 5v 3a products are offered for sale by suppliers on Alibaba.com, of which power adapters accounts for 26%, inverters & converters accounts for 4%, and solar inverters accounts for 1%. A wide variety of dc dc 12v to 5v 3a options are available to you, such as pure sine wave, dual and multiple.You can also choose from sdk, nfc dc dc 12v to 5v 3a,As well as from software reengineering, oem dc dc 12v to 5v 3a,And whether dc dc 12v to 5v 3a is industrial, {2}, or {3}.
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