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    Power Regulators & Converters

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    • Semiconductors & Actives
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    134,157 results

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    • 5PCS 5V Micro USB 1A Lithium Battery Charging Board Charger Module

      5PCS 5V Micro USB 1A Lithium Battery Charging Board Charger Module

      Business
      EUR 2.01
      EUR 1.63 postage
      or Best Offer
      2,811 sold
    • DC 3v-6v to 400kV 400000V Boost Step-up Power Module High-voltage Generator

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

      Business
      EUR 3.32
      EUR 1.81 postage
      14,412 sold
    • ZVS 20A 1000W Low Voltage Induction Heating Board Module Flyback Driver Heater

      ZVS 20A 1000W Low Voltage Induction Heating Board Module Flyback Driver Heater

      Business
      EUR 15.00
      EUR 1.63 postage
      144 sold
    • DC-DC Buck Converter Step Down Module LM2596 Power Supply Output 1.23V-30V

      DC-DC Buck Converter Step Down Module LM2596 Power Supply Output 1.23V-30V

      Business
      EUR 1.56
      EUR 1.81 postage
      3,089 sold
    • 10PCS Button Coin Cell Battery Socket Holder Case Black CR2025 CR2032

      10PCS Button Coin Cell Battery Socket Holder Case Black CR2025 CR2032

      Business
      EUR 2.15
      EUR 1.63 postage
      1,400 sold
    • 400W 15A DC-DC Step Up Down Boost Buck Voltage Power Converter Module Supply

      400W 15A DC-DC Step Up Down Boost Buck Voltage Power Converter Module Supply

      Business
      EUR 8.44
      Was: EUR 15.60
      EUR 1.30 postage
      or Best Offer
      190 sold
    • LM317 Digital Display Adjustable Regulated Power Supply Board Module DIY Kits

      LM317 Digital Display Adjustable Regulated Power Supply Board Module DIY Kits

      Business
      EUR 5.30
      EUR 2.71 postage
      406 sold
    • DC-DC Step up Converter Boost Power Supply Module 10-32V  to 35-60V 120W

      DC-DC Step up Converter Boost Power Supply Module 10-32V to 35-60V 120W

      Business
      EUR 5.65
      EUR 1.81 postage
      1,692 sold
    • 20PCS CR2025 CR2032 3V Button Coin Cell Battery Holder Socket Box Case ROHS

      20PCS CR2025 CR2032 3V Button Coin Cell Battery Holder Socket Box Case ROHS

      Business
      EUR 1.67
      EUR 1.48 postage
      or Best Offer
      51 sold
    • 5V-35V/12V~40V PWM 5A/10A 20khz LED DC Motor Controller Speed Regulation Dimmer

      5V-35V/12V~40V PWM 5A/10A 20khz LED DC Motor Controller Speed Regulation Dimmer

      Business
      EUR 2.08 to EUR 6.01
      EUR 1.81 postage
    • DC-DC Buck Step down Adjustable Converter 3.3V 5V 9V 12V 3A Power Supply Module

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

      Business
      EUR 1.63
      EUR 1.81 postage
      or Best Offer
      69 sold
    • LM2596HVS LM2596HV DC-DC Adjustable Step Down Buck Converter Power Supply Module

      LM2596HVS LM2596HV DC-DC Adjustable Step Down Buck Converter Power Supply Module

      Business
      EUR 1.46
      EUR 1.48 postage
      or Best Offer
    • Transceiver Module HC-06 RS232 With backplane Wireless Serial 4 Pin Bluetooth

      Transceiver Module HC-06 RS232 With backplane Wireless Serial 4 Pin Bluetooth

      Business
      EUR 2.76
      Free postage
      or Best Offer
    • 10pcs MP1584EN DC-DC 7-28V to 5V 3A Step down Buck Module Power Converter Board

      10pcs MP1584EN DC-DC 7-28V to 5V 3A Step down Buck Module Power Converter Board

      Business
      EUR 15.66
      Free postage
      or Best Offer
    • DC-DC 8A 9A 280W Step Down Buck Converter 7-40V To 1.2-35V XL4016 Power Module

      DC-DC 8A 9A 280W Step Down Buck Converter 7-40V To 1.2-35V XL4016 Power Module

      Business
      EUR 7.22
      EUR 1.81 postage
      2,203 sold
    • DC-DC Adjustable Constant Current Voltage Regulator CCCV Power Supply Module

      DC-DC adjustable constant current voltage regulator CCCV Power Supply Modules

      Business
      EUR 4.60
      EUR 1.60 postage
      or Best Offer
      110 sold
    • 5Pcs CR2032 Button Battery Holder Coin Cell Storage Box Case with On/Off Switch

      5Pcs CR2032 Button Battery Holder Coin Cell Storage Box Case with On/Off Switch

      Business
      EUR 4.23
      Free postage
    • LM2587 DC-DC Boost Converter 3-30V Step Up to 4-35V Power Supply Module MAX 5A

      LM2587 DC-DC Boost Converter 3-30V Step Up to 4-35V Power Supply Module MAX 5A

      Business
      EUR 3.57
      EUR 1.48 postage
      or Best Offer
    • DC 7-30V to 1.2-28V 350MA 1W buck step-down module LED Driver PWM dimming Dimmer

      DC 7-30V to 1.2-28V 350MA 1W buck step-down module LED Driver PWM dimming Dimmer

      Business
      EUR 1.69
      EUR 1.81 postage
      130 sold
    • LM317 Digital Display Adjustable Regulated Power Supply Board Module DIY Kits

      LM317 Digital Display Adjustable Regulated Power Supply Board Module DIY Kits

      Business
      EUR 7.11
      EUR 2.40 postage
      or Best Offer
      641 sold
    • DC DC Converter Constant Current Power supply 250W 10A Step up Boost LED Driver

      DC DC Converter Constant Current Power supply 250W 10A Step up Boost LED Driver

      Business
      EUR 5.61
      EUR 1.81 postage
      675 sold
    • 3S 20A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board Cell 12.6V

      3S 20A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board Cell 12.6V

      Business
      EUR 2.52
      EUR 1.81 postage
      3,023 sold
    • 12V/24V 6-60V Battery Charging Control Board Charger Power Supply Switch Module

      12V/24V 6-60V Battery Charging Control Board Charger Power Supply Switch Module

      Business
      EUR 3.25 to EUR 9.15
      EUR 1.48 postage
    • Waterproof Auto Vehicle Voltage Reducer DC-DC Buck Converter 12V to  3V - 9V US

      Waterproof Auto Vehicle Voltage Reducer DC-DC Buck Converter 12V to 3V - 9V US

      Business
      EUR 7.76
      EUR 4.85 postage
    • DC-DC 12V/24V/36V to 5V 3A Dual USB Step Down Buck Converter Voltmeter For Car

      DC-DC 12V/24V/36V to 5V 3A Dual USB Step Down Buck Converter Voltmeter For Car

      Business
      EUR 4.38
      EUR 1.63 postage
      71 sold
    • B3603 Digital LCD DC-DC Converter Step-down Module Adjustable Buck 0-36V 0-6A

      B3603 Digital LCD DC-DC Converter Step-down Module Adjustable Buck 0-36V 0-6A

      Business
      EUR 15.65
      EUR 1.63 postage
      or Best Offer
      189 sold
    • 10x Simple CR2032 3V Button Coin Cell Battery Holder Case Box Switch On-OfH O ZY

      10x Simple CR2032 3V Button Coin Cell Battery Holder Case Box Switch On-OfH O ZY

      Business
      EUR 3.15
      EUR 1.19 postage
      or Best Offer
    • 10pcs HT7130-1 7130-1 3V 30mA Low Dropout Voltage Regulator IC LDO SOT-89

      10pcs HT7130-1 7130-1 3V 30mA Low Dropout Voltage Regulator IC LDO SOT-89

      Business
      EUR 2.27
      EUR 1.63 postage
      or Best Offer
      66 sold
    • DC-DC Power Supply Automatic Step Up Down Converter Buck Boost Replace XL6009

      DC-DC Power Supply Automatic Step Up Down Converter Buck Boost Replace XL6009

      Business
      EUR 2.03 to EUR 5.30
      EUR 4.66 postage
      93 sold
    • LM317/337 1.3V~42V Positive /Negative Adjustable Voltage Power Regulator Board

      LM317/337 1.3V~42V Positive /Negative Adjustable Voltage Power Regulator Board

      Business
      EUR 5.49
      Free postage
      191 sold
    • CC CV Automatic Step-Up Step-Down Buck-Boost Power Supply Module DC-DC 300W 10A

      CC CV Automatic Step-Up Step-Down Buck Boost Power Supply Module DC-DC 300W 10A

      Business
      EUR 14.08
      EUR 1.19 postage
      or Best Offer
    • 5A Lithium Charger CV CC buck Step down Power Supply Module LED Driver New Z2

      5A Lithium Charger CV CC buck Step down Power Supply Module LED Driver New Z2

      Business
      EUR 2.71
      EUR 1.63 postage
      1,923 sold
    • 1S 1A USB 3.7V Li-ion Lithium 18650 Battery Charger Board + Boost Step Up Module

      1S 1A USB 3.7V Li-ion Lithium 18650 Battery Charger Board + Boost Step Up Module

      Business
      EUR 2.73
      EUR 1.81 postage
      or Best Offer
      62 sold
    • HLK-PM01 HLK-PM03 HLK-PM12 220V to 5V/3.3V/12V Step Down Power Supply Module

      HLK-PM01 HLK-PM03 HLK-PM12 220V to 5V/3.3V/12V Step Down Power Supply Module

      Business
      EUR 3.45 to EUR 4.57
      EUR 1.81 postage
      1,721 sold
    • MFRC-522 RC522 RFID Radiofrequency IC Card inducing Sensor Reader for Arduino

      MFRC-522 RC522 RFID Radiofrequency IC Card inducing Sensor Reader for Arduino

      Business
      EUR 1.68
      Free postage
    • DC-DC 10/12/15/20A 150/250/300/400/1200W Step up Step down Buck Boost Converter

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

      Business
      EUR 7.44 to EUR 19.38
      Was: EUR 20.39
      EUR 3.61 postage
      75 sold
    • LM317 LM337 Adjustable Filtering Power Supply AC/DC Voltage Regulator

      LM317 LM337 Adjustable Filtering Power Supply AC/DC Voltage Regulator

      Business
      EUR 9.41
      EUR 1.48 postage
      126 sold
    • PL2303TA USB TTL to RS232 Converter Serial Cable module for win 8 XP VISTA 7 8.1

      PL2303TA USB TTL to RS232 Converter Serial Cable module for win 8 XP VISTA 7 8.1

      Business
      EUR 2.71
      EUR 1.81 postage
      4,908 sold
    • 4S 3.7V 30A LI-ION Equilibre Bms Protection Carte PCB 16.8V

      4S 3.7V 30A LI-ION Equilibre Bms Protection Carte PCB 16.8V

      Business
      EUR 5.99
      EUR 3.63 postage
      7 watching
    • LM338K AC/DC to DC Buck Step Down Linear Voltage Converter 3.3V 5V 9V 12V 24V 3A

      LM338K AC/DC to DC Buck Step Down Linear Voltage Converter 3.3V 5V 9V 12V 24V 3A

      Business
      EUR 10.74
      EUR 2.96 postage
      or Best Offer
    • Dual USB Charger DC 6V-40V To 5V 3A Step Down Buck Power Supply Converter Module

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

      Business
      EUR 1.40 to EUR 1.83
      Was: EUR 1.99
      EUR 3.61 postage
      274 sold
    • 2S/3S/4S/5S/6S 3/5/8/10/15/20/30A 18650 Lithium Battery Protection PCB Board

      2S/3S/4S/5S/6S 3/5/8/10/15/20/30A 18650 Lithium Battery Protection PCB Board

      Business
      EUR 1.80 to EUR 7.77
      EUR 1.81 postage
    • Ultra-small Mini360 Power DC/DC Buck Converter Step Down Adjust

      Ultra-small Mini360 Power DC/DC Buck Converter Step Down Adjust

      Business
      EUR 1.81 to EUR 7.52
      Free postage
    • XL6009E1 XL6019E1 DC-DC Adjustable Boost Step Up Power Supply Converter MOSFET

      XL6009E1 XL6019E1 DC-DC Adjustable Boost Step Up Power Supply Converter MOSFET

      Business
      EUR 2.01 to EUR 2.30
      EUR 1.28 postage
    • DC Boost Step-up Volt Converter Dual Output ±5V ±9V ±12V ±15V ±24V Power Supply

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

      Business
      EUR 3.52 to EUR 4.45
      EUR 1.81 postage
      52 sold
    • Titan Controls Helios 10 - 8 Light 240V Controller w/ 120V Trigger Cord 4 Prong

      Titan Controls Helios 10 - 8 Light 240V Controller w/ 120V Trigger Cord 4 Prong

      Business
      EUR 48.07
      0 bids
      EUR 42.85 postage
      Ending Aug 23 at 8:22PM BST6d 15h
    • 4S 14.8V 5A/10A Lithium Battery Protection Board Solar Street Light For 18650

      4S 14.8V 5A/10A Lithium Battery Protection Board Solar Street Light For 18650

      Business
      EUR 2.90 to EUR 3.27
      EUR 2.21 postage
    • High Grade 12V 5V 24V 9V AC-DC Power Supply Buck Converter Step Down Module NEW

      High Grade 12V 5V 24V 9V AC-DC Power Supply Buck Converter Step Down Module NEW

      Business
      EUR 1.41 to EUR 7.82
      EUR 1.63 postage

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