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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 PRODUCT RESULTS FOR ""

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89 Products

    R-78E5.0-1.0
    Data Sheet
    R-78E5.0-1.0 RECOM
    DC-DC Switching Regulator - 7 to 28VDC Input - 5VDC@1.0A Output - LM78xx Pin Compatable
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    In Stock: 8641
    Immediately
    42
    $3.65
    84
    $3.52
    126
    $3.50
    252
    $3.40
    504
    $3.35
    R-78E9.0-0.5
    Data Sheet
    R-78E9.0-0.5 RECOM
    DC-DC Switching Regulator - 12 to 28VDC Input - 9VDC@0.5A Output - LM78xx Pin Compatable
    VIEW PRODUCT
    In Stock: 338
    Immediately
    42
    $3.05
    84
    $2.96
    252
    $2.88
    504
    $2.87
    1,008
    $2.86
    R-78HB12-0.5
    Data Sheet
    R-78HB12-0.5 RECOM
    DC-DC Switching Regulator - 17 to 72VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 76
    Immediately
    5
    $15.92
    10
    $15.47
    42
    $15.02
    84
    $14.93
    126
    $14.71
    R-78HB12-0.5/W
    Data Sheet
    R-78HB12-0.5/W RECOM
    The R-78HB12-0.5/W is a high-efficiency, wired SIP3 switching regulator that converts a wide 17-72VDC input to a ...
    VIEW PRODUCT
    In Stock: 133
    Immediately
    5
    $14.20
    10
    $13.99
    25
    $13.51
    50
    $13.38
    100
    $13.34
    R-78HB12-0.5L
    Data Sheet
    R-78HB12-0.5L RECOM
    DC-DC Switching Regulator - 17 to 72VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 504
    Immediately
    5
    $16.15
    10
    $15.78
    42
    $15.30
    84
    $15.26
    126
    $15.22
    R-78HB15-0.5
    Data Sheet
    R-78HB15-0.5 RECOM
    The R-78HB15-0.5 is a high-efficiency switching regulator that converts a 20-72VDC input to a regulated 15VDC out ...
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    In Stock: 126
    Immediately
    5
    $15.26
    10
    $14.81
    42
    $13.94
    84
    $13.86
    126
    $13.83
    R-78HB24-0.3
    Data Sheet
    R-78HB24-0.3 RECOM
    DC-DC Switching Regulator - 36 to 72VDC Input - 24VDC@0.3A Output - LM78xx Pin Compatable
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    In Stock: 54
    Immediately
    5
    $15.94
    10
    $15.40
    42
    $14.76
    84
    $14.45
    126
    $14.25
    R-78HB5.0-0.5
    Data Sheet
    R-78HB5.0-0.5 RECOM
    DC-DC Switching Regulator - 9 to 72VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable
    VIEW PRODUCT
    In Stock: 278
    Immediately
    5
    $14.39
    42
    $13.77
    84
    $13.60
    126
    $13.57
    252
    $13.44
    R-78HB5.0-0.5/W
    Data Sheet
    R-78HB5.0-0.5/W RECOM
    The R-78HB5.0-0.5/W is a wired SIP3 switching regulator that provides a regulated 5.0V, 0.5A output from a wide 9 ...
    VIEW PRODUCT
    In Stock: 225
    Immediately
    5
    $18.47
    10
    $17.67
    25
    $16.97
    50
    $16.57
    100
    $16.10
    R-78HB5.0-0.5L
    Data Sheet
    R-78HB5.0-0.5L RECOM
    The R-78HB5.0-0.5L is a high-efficiency switching regulator that converts a wide input voltage of 9-72VDC to a re ...
    VIEW PRODUCT
    In Stock: 96
    Immediately
    On Order: 210
    Ships 8/31/26
    5
    $15.10
    10
    $14.92
    42
    $14.49
    84
    $14.45
    126
    $14.42