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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-78HE5.0-0.3 RECOM
    DC-DC Switching Regulator - 6.5 to 72VDC Input - 5VDC@0.3A Output - LM78xx Pin Compatable
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    In Stock: 588
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $6.77
    42
    $5.57
    84
    $5.34
    126
    $5.26
    252
    $5.13
    R-78HB5.0-0.5 RECOM
    DC-DC Switching Regulator - 9 to 72VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 523
    Can Ship immediately 
    MANUFACTURER STOCK 333
    can ship 12/9/24

    5
    $11.70
    42
    $11.53
    84
    $11.35
    126
    $11.18
    252
    $11.02
    R-78HB5.0-0.5/W RECOM
    DC-DC Switching Regulator - 9 to 72VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable /Wire Leads
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    In Stock: 150
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    1
    $18.89
    10
    $15.53
    25
    $15.12
    50
    $14.97
    100
    $14.16
    R-78HB5.0-0.5L RECOM
    DC-DC Switching Regulator - 9 to 72VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 136
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $15.33
    42
    $13.39
    84
    $12.86
    126
    $12.37
    252
    $12.18
    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: 94
    Can Ship immediately 
    MANUFACTURER STOCK 168
    can ship 12/9/24

    1
    $16.88
    10
    $15.17
    42
    $14.75
    84
    $14.16
    252
    $13.29
    R-78HB15-0.5 RECOM
    DC-DC Switching Regulator - 20 to 72VDC Input - 15VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 62
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $14.16
    42
    $13.27
    84
    $12.56
    126
    $12.43
    252
    $12.31
    R-78HB12-0.5/W RECOM
    DC-DC Switching Regulator - 17 to 72VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable /Wire Leads
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    In Stock: 60
    Can Ship immediately 
    MANUFACTURER STOCK 909
    can ship 12/9/24

    1
    $19.83
    10
    $15.85
    25
    $15.30
    50
    $14.74
    100
    $14.23
    R-78S3.3-0.1 RECOM
    DC-DC Boost Converter - 0.65 to 3.15VDC Input - 3.3VDC@0.1A Output - 4 Lead SIP
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    In Stock: 32
    Can Ship immediately 
    MANUFACTURER STOCK 348
    can ship 12/9/24

    1
    $6.105
    42
    $5.550
    84
    $5.300
    126
    $5.220
    252
    $5.070
    R-78T12-1.0/FC-TRAY RECOM
    DC-DC Switching Regulator - 15 to 42VDC Input - 12VDC@1A Output - SMD
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    In Stock: 16
    Can Ship immediately 
    MANUFACTURER STOCK 273
    can ship 12/9/24

    5
    $14.74
    25
    $13.35
    50
    $12.76
    100
    $12.21
    250
    $11.71
    R-78HB12-0.5 RECOM
    DC-DC Switching Regulator - 17 to 72VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable
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    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $16.28
    42
    $14.09
    84
    $13.49
    126
    $12.93
    252
    $12.74