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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-78AA3.3-1.0SMD RECOM
    DC-DC Switching Regulator - 12 to 32VDC Input - 3.3VDC@1A Output - 10 Lead SMD
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    In Stock: 107
    Ships Immediately
    MANUFACTURER STOCK 837
    can ship 12/1/25

    5
    $15.711
    33
    $13.522
    66
    $13.169
    132
    $12.985
    264
    $12.924
    R-78AA5.0-0.5SMD RECOM
    DC-DC Switching Regulator - 12 to 32VDC Input - 5VDC@0.5A Output - 10 Lead SMD
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    In Stock: 109
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $13.553
    33
    $12.097
    66
    $11.500
    132
    $11.132
    264
    $11.071
    R-78AA5.0-1.0SMD RECOM
    DC-DC Switching Regulator - 12 to 32VDC Input - 5VDC@1A Output - 10 Lead SMD
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    In Stock: 86
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $25.052
    33
    $16.110
    66
    $15.451
    132
    $14.732
    264
    $14.532
    R-78B12-1.0 RECOM
    DC-DC Switching Regulator - 16 to 32VDC Input - 12VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 247
    Ships Immediately
    MANUFACTURER STOCK 476
    can ship 12/1/25

    5
    $16.722
    42
    $14.976
    84
    $14.516
    126
    $14.455
    252
    $14.379
    R-78B12-2.0 RECOM
    DC-DC Switching Regulator - 16 to 32VDC Input - 12VDC@2A Output - LM78xx Pin Compatable
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    In Stock: 755
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $15.741
    42
    $15.359
    84
    $15.282
    126
    $15.206
    252
    $15.129
    R-78B3.3-2.0 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@2A Output - LM78xx Pin Compatable
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    In Stock: 770
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $15.741
    42
    $15.359
    84
    $15.282
    126
    $15.206
    252
    $15.129
    R-78B5.0-1.0 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 585
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $15.986
    42
    $13.614
    84
    $13.245
    126
    $13.062
    252
    $12.985
    R-78B5.0-1.0L RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@1A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 703
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $16.722
    42
    $14.057
    84
    $13.874
    126
    $13.813
    252
    $13.736
    R-78B5.0-1.5 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@1.5A Output - LM78xx Pin Compatable
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    In Stock: 121
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $16.569
    42
    $16.079
    84
    $15.865
    126
    $15.787
    252
    $15.711
    R-78B5.0-1.5L RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@1.5A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 183
    Ships Immediately
    MANUFACTURER STOCK 1000
    can ship 12/1/25

    5
    $18.176
    42
    $16.523
    84
    $15.359
    126
    $15.282
    252
    $15.206