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RECOM's R-78K-xx Series DC/DC Switching Regulators

Switching regulators - superior alternative to inefficient linear ones, offer up to 97% efficiency, eliminating the need for heat sinks, saving space and costs. RECOM's regulators integrate seamlessly, with pin-compatible replacements, wide input range, and accurate output voltage regulation, making them a cost-effective choice.

  • R-78K-0.5 Series - Cutting-edge switching regulator with high efficiency, wide input range, and cost-effective production. No heat-sink needed, operates from -40 to 90°C, and saves board space in a compact package.
  • R-78K-1.0 Series - Unleashing high efficiency up to 95%, this switching regulator delivers precision and wide-ranging capabilities. No heat-sink needed, operates from -40 to 90°C with minimal derating, and saves valuable board space in a sleek TO-220 compatible SIP3 package.
  • R-78K-2.0 Series - Elevate your power solutions with up to 96% efficiency, wide input range, and cost-effectiveness. No heat-sink needed, operates seamlessly from -40 to 90°C without derating, and preserves board space in a stylish TO-220 compatible SIP3 package.
  • R-78K-2.0(L) Series - Unmatched performance with fixed output options from 1.2V to 15V, reaching up to 96% efficiency. Horizontal mount for space-critical designs, no heatsink needed, and operating at +110°C max ensures reliability.
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89 results Products

R-78HB12-0.5L

RECOM

DC-DC Switching Regulator - 17 to 72VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable /90° Bend

  • In Stock: 391

    Ships Immediately


  • 5
    $13.43
  • 42
    $12.93
  • 84
    $12.80
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R-78B12-1.0

RECOM

DC-DC Switching Regulator - 16 to 32VDC Input - 12VDC@1A Output - LM78xx Pin Compatable

  • In Stock: 50

    Ships Immediately

  • MANUFACTURER STOCK 9

    can ship 12/9/24

  • On Order: 336

    can ship 2/3/25


  • 5
    $11.01
  • 42
    $8.87
  • 84
    $8.75
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R-78E15-0.5

RECOM

DC-DC Switching Regulator - 18 to 28VDC Input - 15VDC@0.5A Output - LM78xx Pin Compatable

  • In Stock: 4

    Ships Immediately

  • MANUFACTURER STOCK 39

    can ship 12/9/24

  • On Order: 1596

    can ship 1/20/25


  • 1
    $2.893
  • 42
    $2.630
  • 84
    $2.580
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R-78K5.0-1.0

RECOM

R-78K-1.0 Series Single Output 5 V 1 A Non Isolated DC/DC Converter - SIP-3

  • On Order: 817

    can ship 2/17/25


  • 43
    $2.537
  • 86
    $2.498
  • 258
    $2.412
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R-78K3.3-2.0L

RECOM

2A DC/DC-Converter - 3.3VDC - Input: 4.5-36 VDC - -40 to 90°C - SIP3 - Tube

  • MANUFACTURER STOCK 149

    can ship 12/9/24

  • On Order: 172

    can ship 1/13/25


  • 43
    $4.42
  • 86
    $4.35
  • 129
    $4.13
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R-78K15-2.0

RECOM

R-78K-2.0 Series Single Output 15 V 2 A Non Isolated DC/DC Converter - SIP-3

  • MANUFACTURER STOCK 54

    can ship 12/9/24

  • On Order: 172

    can ship 2/10/25


  • 43
    $4.16
  • 86
    $4.09
  • 129
    $3.97
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R-78K12-2.0L

RECOM

2A DC/DC-Converter - 12VDC - Input: 14-36 VDC - -40 to 79°C - SIP3 - Tube

  • MANUFACTURER STOCK 28

    can ship 12/9/24

  • On Order: 172

    can ship 12/23/24


  • 43
    $5.129
  • 86
    $4.592
  • 129
    $4.446
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R-78K3.3-2.0

RECOM

R-78K-2.0 Series Single Output 3.3 V 2 A Non Isolated DC/DC Converter - SIP-3

  • On Order: 172

    can ship 2/10/25


  • 43
    $4.16
  • 86
    $4.09
  • 129
    $3.97
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R-78K5.0-2.0

RECOM

R-78K-2.0 Series Single Output 5 V 2 A Non Isolated DC/DC Converter - SIP-3

  • On Order: 172

    can ship 3/3/25


  • 43
    $4.16
  • 86
    $4.09
  • 129
    $3.97
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R-78K5.0-2.0L

RECOM

2A DC/DC-Converter - 5.0VDC - Input: 6.5-36 VDC - -40 to 87°C - SIP3 - Tube

  • On Order: 172

    can ship 1/20/25


  • 43
    $5.07
  • 86
    $4.57
  • 129
    $4.43
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