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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 Products

    R-78B15-2.0 RECOM
    DC-DC Switching Regulator - 20 to 32VDC Input - 15VDC@2A Output - LM78xx Pin Compatable
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    In Stock: 56
    Can Ship immediately 

    5
    $13.24
    42
    $12.40
    84
    $12.14
    126
    $11.96
    252
    $11.90
    R-78B3.3-1.0 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 143
    Can Ship immediately 

    5
    $9.64
    42
    $8.68
    84
    $8.54
    126
    $8.49
    252
    $8.45
    R-78B3.3-1.0L RECOM
    The R-78B3.3-1.0L is a high-efficiency, single-output switching regulator in a SIP3 package with 90° pins, provid ...
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    In Stock: 256
    Can Ship immediately 

    5
    $10.67
    42
    $9.15
    84
    $9.06
    126
    $9.02
    252
    $8.97
    R-78B3.3-1.5L RECOM
    The R-78B3.3-1.5L is a high-efficiency SIP3 switching regulator with 90° pins, providing a 3.3V output at 1.5A fr ...
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    In Stock: 147
    Can Ship immediately 

    5
    $11.33
    42
    $11.02
    84
    $10.78
    126
    $10.73
    252
    $10.67
    R-78B9.0-1.0L RECOM
    DC-DC Switching Regulator - 12 to 32VDC Input - 9VDC@1A Output - LM78xx Pin Compatable /90° Bend
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    On Order: 632
    can ship 6/8/26

    5
    $10.84
    42
    $10.25
    84
    $9.93
    126
    $9.79
    252
    $9.76
    R-78C15-1.0 RECOM
    DC-DC Switching Regulator - 18 to 42VDC Input - 15VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 400
    Can Ship immediately 

    5
    $10.41
    42
    $10.14
    84
    $9.97
    126
    $9.95
    252
    $9.92
    R-78C3.3-1.0 RECOM
    DC-DC Switching Regulator - 7 to 42VDC Input - 3.3VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 519
    Can Ship immediately 

    5
    $10.46
    42
    $8.56
    84
    $8.42
    126
    $8.38
    252
    $8.34
    R-78C5.0-1.0 RECOM
    DC-DC Switching Regulator - 8 to 42VDC Input - 5VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 2095
    Can Ship immediately 

    5
    $10.45
    42
    $9.05
    84
    $8.90
    126
    $8.85
    252
    $8.81
    R-78T5.0-1.0/FC-R RECOM
    DC-DC Switching Regulator - 8 to 42VDC Input - 5VDC@1A Output - SMD - Tape&Reel
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    In Stock: 96
    Can Ship immediately 

    25
    $11.74
    38
    $11.63
    75
    $11.46
    113
    $11.34
    150 +
    $11.23
    R-78K1.5-0.5 RECOM
    R-78K-0.5 Series Single Output 1.5 V 500 mA Non Isolated DC/DC Converter - SIP-3
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    In Stock: 172
    Can Ship immediately 

    43
    $1.93
    86
    $1.90
    258
    $1.86
    516
    $1.82
    1,032
    $1.78