Power supplies and accessories

Power supplies and their accessories are the vital arteries that provide stable energy to all electronic systems, circuits, and equipment. Flawless performance, high efficiency, and the lifespan of sensitive circuit components (such as microcontrollers and ICs) depend heavily on the quality of the power supply's output voltage and current. Having access to a comprehensive archive of converters, energy storage devices, and magnetic elements is the first and most critical step in the principled design of any electronic or industrial system.
In this section, we provide a highly complete portfolio of energy management and power conversion components and devices:
  • Voltage & Current Converters (AC/DC & DC/DC): A wide variety of AC/DC converters (including switch-mode power supplies and adapters for safely converting grid power to DC voltage) and DC/DC converters (step-down/buck and step-up/boost modules designed to match different voltage rails on the board).
  • Energy Storage & Charging Equipment: An unparalleled diversity of batteries (Lithium-Ion, Lithium-Polymer, coin cell, 9V block, AA/AAA, and backup batteries) alongside intelligent battery chargers equipped with built-in protection systems against overcurrent and overvoltage.
  • Power Electronics & Magnetic Systems (Transformers): A specialized section for transformers and transformer components—including bobbins, ferrite cores, frames, and winding accessories for building custom transformers—along with advanced power electronics converter modules for managing high-power systems, industrial drivers, and inverters.
All products in this category are supplied with precise technical specifications (output current rating, operating efficiency, isolation voltage, and package type), verified component authenticity, and choices for individual or bulk purchase at competitive prices for manufacturers and engineers.
  • M78AR05-0.5

    M78AR05-0.5
    01305031

    Non-Isolated DC/DC Converters 0.5A DC/DC REG 5Vout

     
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  • M78AR05-0.5-Ch

    M78AR05-0.5-Ch
    01305020

    DC/DC CONVERTER non-isolated Series 5 V 500 mA 380 kHz Through Hole Switching Regulator

     
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  • MCWI03-24D15

    MCWI03-24D15
    01305023

    DC/DC CONVERTER 3W ,VI=9-36V , VO=15V, Efficiency 81% , 7PIN 21.8x9.3x11.2 mm

     
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  • MCWI03-24S12

    MCWI03-24S12
    01305003

    DC/DC CONVERTER 3W ,VI=9-36V , VO=12V, Efficiency 81% , 7PIN 21.8x9.3x11.2 mm

     
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  • MCWI05-24S12

    MCWI05-24S12
    01305001

    DC/DC CONVERTER 5W ,VI=24V , VO=12V

     
    $13.23
  • MDW08-24S05

    MDW08-24S05
    01305029

    DC/DC CONVERTER 8W ,VI=18-36V , VO=5V, Efficiency 82% , 6PIN 23.8x13.7x8.0mm

     
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  • MDWI03-24D05

    MDWI03-24D05
    01305005

    DC/DC CONVERTER 3W High Power Density,VI=36V , VO=5V

     
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  • MIW4026-Ch

    MIW4026-Ch
    01305019

    DC/DC CONVERTER 6W ,VI=24V , VO=12V 250mA

     
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  • MIW4026

    MIW4026
    01305014

    5-6 Watts 4: 1 Ultra Wide Input Range DC/DC Converter

     
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  • MJW10-24D05

    MJW10-24D05
    01305027

    1x1" DC/DC Converter 10W ,VI=18-36V , VO=±5V, Efficiency 85% , 6PIN 25.4x25.4x10.2mm

     
    $31.72
  • MJWI10-24S05

    MJWI10-24S05
    01305013

    DC/DC CONVERTER 20W ,VI=24V , VO=5V

     
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  • NTE0503MC

    NTE0503MC
    01305034

    -

     
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  • PH50S24-12

    PH50S24-12
    01305004

    CONVERTER DC/DC 12V 50W 4.2A ,6-PIN

     
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  • PKC2131PI

    PKC2131PI
    01305036

    DC/DC Power Module 3-OUT 5V/12V/-12V 3A/0.6A/0.6A 15W

     
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  • PTH08T220W

    PTH08T220W
    01305017

    Non-Isolated DC/DC Converters 16A 4.5-14V-Input Wide-Out Adj Pwr Mdl

     
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  • PTH08T241WAD

    PTH08T241WAD
    01305006

    Non-Isolated DC/DC Converters 10A 4.5V to 14V Inp Ceramic Cap Version

     
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  • RPP30-2405SW

    RPP30-2405SW
    01305026

    Isolated DC/DC Converters 30W DC/DC 3kV REG 4:1 9-36Vin 5Vout

     
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  • TOS 06-05SM

    TOS 06-05SM
    01305010

    Non-Isolated DC/DC Converters VI=2.4 to 5.5 , VO=750mV to 3.3V 6 A

     
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  • WH-DL1-5S

    WH-DL1-5S
    01301010

    Lithium Ion Battery Charger 4S 20A 14.8V 16.8V Battery BMS PCM Protection PCB Board

     
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  • 2631626402

    2631626402
    01001011

    Ferrite Cable Cores 31 Round Cable Core Z=225 OHM , 100 MHz

     
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  • 0078083A7

    0078083A7
    01001012

    Composition 6.5 SiFe alloy Saturation Flux Density 1.6 Tesla Typical Core Loss (50kHz,100mT) 650 mW/cm3 Curie Temperature 700˚C Operating Temperature Range -30˚C to 200˚

     
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  • C058380A2

    C058380A2
    01001013

    High Saturation (1.5 T) Lower core loss than Iron Powder or Laminated Silicon Lower cost than MPP material Best DC Bias Very high Curie temperature Stable performance

     
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  • PQ26/25-3C97

    PQ26/25-3C97
    01001003

    Uncoated 3C97 Ferrite Core PQ Type 1.075" (27.30mm) Length 0.748" (19.00mm) Width - Diameter 0.972" (24.70mm) Height

     
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  • PQ40/40-3C97(Original)

    PQ40/40-3C97(Original)
    01001014

    Uncoated 3C97 Ferrite Core PQ Type 1.634" (41.50mm) Length 1.102" (28.00mm) Width Diameter 1.567" (39.80mm) Height

     
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