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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-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: 985
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.52
    42
    $9.16
    84
    $8.40
    126
    $8.32
    252
    $8.23
    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: 902
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $11.02
    42
    $9.59
    84
    $9.23
    126
    $9.14
    252
    $9.05
    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: 666
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $11.95
    42
    $9.59
    84
    $9.43
    126
    $9.29
    252
    $9.15
    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: 425
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $11.05
    42
    $8.88
    84
    $8.75
    126
    $8.62
    252
    $8.49
    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: 198
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $9.64
    42
    $7.85
    84
    $7.74
    126
    $7.62
    252
    $7.50
    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: 196
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $11.85
    42
    $11.21
    84
    $10.11
    126
    $10.01
    252
    $9.91
    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: 184
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $8.75
    33
    $7.04
    66
    $6.96
    132
    $6.89
    264
    $6.82
    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: 163
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $12.17
    42
    $9.23
    84
    $9.09
    126
    $8.95
    252
    $8.82
    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: 91
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.22
    33
    $7.97
    66
    $7.82
    132
    $7.71
    264
    $7.59
    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
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.47
    33
    $9.72
    66
    $9.11
    132
    $8.53
    264
    $8.32