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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-78B5.0-2.0 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@2A Output - LM78xx Pin Compatable
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    In Stock: 1132
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $10.43
    42
    $10.11
    84
    $9.98
    126
    $9.93
    252
    $9.88
    R-78B6.5-1.0 RECOM
    DC-DC Switching Regulator - 9 to 32VDC Input - 6.5VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 76
    Can Ship immediately 
    MANUFACTURER STOCK 101
    can ship 12/1/25

    5
    $10.84
    42
    $9.79
    84
    $9.75
    126
    $9.70
    252
    $9.65
    R-78C12-1.0 RECOM
    DC-DC Switching Regulator - 15 to 42VDC Input - 12VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 679
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $10.41
    42
    $8.52
    84
    $8.42
    126
    $8.38
    252
    $8.34
    R-78C9.0-1.0 RECOM
    DC-DC Switching Regulator - 12 to 42VDC Input - 9VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 150
    Can Ship immediately 
    MANUFACTURER STOCK 546
    can ship 12/1/25

    5
    $10.79
    42
    $9.01
    84
    $8.90
    126
    $8.85
    252
    $8.81
    R-78E12-0.5 RECOM
    DC-DC Switching Regulator - 15 to 28VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 199
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    42
    $2.90
    84
    $2.84
    252
    $2.75
    504
    $2.74
    1,008
    $2.72
    R-78E12-1.0/X9 RECOM
    DC-DC Converter, SIP3, 1A, 12V, R-78E-1.0 Series | RECOM Power Inc. R-78E12-1.0/X9
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    In Stock: 52
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    42
    $3.33
    84
    $3.23
    252
    $3.16
    504
    $3.15
    1,008
    $3.13
    R-78E15-0.5 RECOM
    DC-DC Switching Regulator - 18 to 28VDC Input - 15VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 1054
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    42
    $2.90
    84
    $2.84
    252
    $2.75
    504
    $2.74
    1,008
    $2.72
    R-78E3.3-0.5 RECOM
    DC-DC Switching Regulator - 6 to 28VDC Input - 3.3VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 476
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/5/25

    42
    $2.71
    84
    $2.64
    252
    $2.57
    504
    $2.55
    1,008
    $2.54
    R-78E3.3-1.0 RECOM
    DC-DC Switching Regulator - 6 to 28VDC Input - 3.3VDC@1.0A Output - LM78xx Pin Compatable
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    In Stock: 2478
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    42
    $3.26
    84
    $3.16
    252
    $3.08
    504
    $3.07
    1,008
    $3.05
    R-78E5.0-0.5 RECOM
    DC-DC Switching Regulator - 7 to 28VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 7823
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    42
    $2.71
    84
    $2.64
    252
    $2.57
    504
    $2.55
    1,008
    $2.54