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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-78B12-1.0L RECOM
    DC-DC Switching Regulator - 16 to 32VDC Input - 12VDC@1A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 750
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $11.21
    42
    $10.03
    84
    $9.40
    126
    $9.30
    252
    $9.21
    R-78W5.0-0.5 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 5VDC@0.5A Output - LM78xx Pin Compatable /Wire Leads
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    In Stock: 400
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    25
    $7.48
    50
    $7.37
    100
    $7.26
    250
    $7.09
    500
    $6.99
    R-78W3.3-0.5 RECOM
    DC-DC Switching Regulator - 6.5 to 32VDC Input - 3.3VDC@0.5A Output - LM78xx Pin Compatable /Wire Leads
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    In Stock: 382
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    25
    $8.97
    50
    $8.57
    100
    $8.32
    250
    $7.86
    500
    $7.65
    R-78B3.3-1.0 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 378
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.11
    42
    $8.83
    84
    $8.59
    126
    $8.47
    252
    $8.16
    R-78B3.3-1.0L RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 3.3VDC@1A Output - LM78xx Pin Compatable /90° Bend
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    In Stock: 378
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.96
    42
    $8.38
    84
    $8.26
    126
    $8.13
    252
    $8.01
    R-78W12-0.5 RECOM
    DC-DC Switching Regulator - 15 to 32VDC Input - 12VDC@0.5A Output - LM78xx Pin Compatable /Wire Leads
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    In Stock: 274
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $9.56
    25
    $8.11
    50
    $7.99
    100
    $7.87
    250
    $7.68
    R-78B15-1.0 RECOM
    DC-DC Switching Regulator - 20 to 32VDC Input - 15VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 106
    Can Ship immediately 
    MANUFACTURER STOCK 8
    can ship 12/9/24

    5
    $10.36
    42
    $8.87
    84
    $8.76
    126
    $8.67
    252
    $8.59
    R-78B15-2.0 RECOM
    DC-DC Switching Regulator - 20 to 32VDC Input - 15VDC@2A Output - LM78xx Pin Compatable
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    In Stock: 82
    Can Ship immediately 
    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $14.17
    42
    $12.38
    84
    $12.05
    126
    $11.44
    252
    $11.26
    R-782.5-1.0 RECOM
    DC-DC Switching Regulator - 4.75 to 32VDC Input - 2.5VDC@1A Output - LM78xx Pin Compatable
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    In Stock: 81
    Can Ship immediately 
    MANUFACTURER STOCK 316
    can ship 12/9/24

    5
    $8.46
    42
    $7.71
    84
    $7.39
    126
    $7.19
    252
    $6.82
    R-78W9.0-0.5 RECOM
    DC-DC Switching Regulator - 11 to 32VDC Input - 9VDC@0.5A Output - LM78xx Pin Compatable /Wire Leads
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    MANUFACTURER STOCK 1000
    can ship 12/9/24

    5
    $10.72
    25
    $9.72
    50
    $9.28
    100
    $9.01
    250
    $8.52