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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-781.8-0.5 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 1.8VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 130
    Can Ship immediately 

    42
    $5.71
    84
    $5.58
    126
    $5.50
    252
    $5.35
    504
    $5.34
    R-7812-0.5 RECOM
    The R-7812-0.5 is a high-efficiency switching regulator that provides a regulated 12V, 0.5A output from a wide in ...
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    In Stock: 143
    Can Ship immediately 
    On Order: 420
    can ship 5/28/26

    5
    $8.40
    42
    $7.26
    84
    $7.14
    126
    $7.11
    252
    $7.07
    R-7815-0.5 RECOM
    DC-DC Switching Regulator - 18 to 32VDC Input - 15VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 106
    Can Ship immediately 

    5
    $8.41
    42
    $6.91
    84
    $6.80
    126
    $6.75
    252
    $6.72
    R-783.3-0.5 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 864
    Can Ship immediately 

    42
    $6.67
    84
    $6.54
    126
    $6.50
    252
    $6.48
    504
    $6.47
    R-783.3-1.0 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 332
    Can Ship immediately 

    5
    $8.75
    42
    $6.91
    84
    $6.80
    126
    $6.75
    252
    $6.72
    R-785.0-0.5 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 2303
    Can Ship immediately 

    42
    $6.67
    84
    $6.54
    126
    $6.50
    252
    $6.48
    504
    $6.47
    R-785.0-1.0 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 20
    Can Ship immediately 

    5
    $8.38
    42
    $7.22
    84
    $7.14
    126
    $7.11
    252
    $7.07
    R-786.5-0.5 RECOM
    DC-DC Switching Regulator - 8 to 32VDC Input - 6.5VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 338
    Can Ship immediately 

    5
    $8.76
    42
    $6.90
    84
    $6.75
    126
    $6.72
    252
    $6.68
    R-789.0-0.5 RECOM
    DC-DC Switching Regulator - 11 to 32VDC Input - 9VDC@0.5A Output - LM78xx Pin Compatable
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    In Stock: 100
    Can Ship immediately 

    5
    $8.41
    42
    $7.26
    84
    $7.14
    126
    $7.12
    252
    $7.11
    R-78AA12-0.5SMD RECOM
    DC-DC Switching Regulator - 12 to 32VDC Input - 12VDC@0.5A Output - 10 Lead SMD
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    In Stock: 33
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    5
    $10.01
    33
    $9.54
    66
    $9.16
    132
    $8.98
    264
    $8.86