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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-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: 2643
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.58
    42
    $8.51
    84
    $8.39
    126
    $8.26
    252
    $8.14
    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: 1119
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $9.89
    42
    $8.23
    84
    $8.10
    126
    $7.98
    252
    $7.86
    R-78K3.3-0.5 RECOM
    R-78K-0.5 Series Single Output 3.3 V 500 mA Non Isolated DC/DC Converter - SIP-3
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    In Stock: 602
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    43
    $1.97
    129
    $1.91
    258
    $1.88
    516
    $1.86
    1,032
    $1.83
    R-78K15-0.5 RECOM
    R-78K-0.5 Series Single Output 15 V 500 mA Non Isolated DC/DC Converter - SIP-3
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    In Stock: 387
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    43
    $2.17
    129
    $2.10
    258
    $2.07
    516
    $2.04
    1,032
    $2.01
    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: 216
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $12.70
    10
    $12.51
    25
    $12.27
    38
    $12.08
    75
    $11.90
    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 
    MANUFACTURER STOCK 165
    can ship 12/9/24

    43
    $2.40
    129
    $2.33
    258
    $2.22
    516
    $2.13
    1,032
    $2.04
    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: 122
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $11.81
    42
    $9.29
    84
    $9.15
    126
    $9.02
    252
    $8.88
    R-78B3.3-1.5L RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@1.5A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 86
    Can Ship immediately 
    MANUFACTURER STOCK 737
    can ship 12/9/24

    5
    $12.66
    42
    $11.86
    84
    $10.53
    126
    $10.37
    252
    $10.21
    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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    In Stock: 64
    Can Ship immediately 
    MANUFACTURER STOCK 158
    can ship 12/9/24

    5
    $11.85
    42
    $9.21
    84
    $9.04
    126
    $8.90
    252
    $8.77
    R-78K2.5-0.5 RECOM
    R-78K-0.5 Series Single Output 2.5 V 500 mA Non Isolated DC/DC Converter - SIP-3
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    In Stock: 43
    Can Ship immediately 
    MANUFACTURER STOCK 86
    can ship 12/9/24

    43
    $2.40
    129
    $2.33
    258
    $2.22
    516
    $2.13
    1,032
    $2.04