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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 PRODUCT RESULTS FOR ""

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89 Products

    R-78K15-0.5
    Data Sheet
    R-78K15-0.5 RECOM
    R-78K-0.5 Series Single Output 15 V 500 mA Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 430
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $2.35
    86
    $2.29
    258
    $2.21
    516
    $2.20
    1,032
    $2.19
    R-78K2.5-0.5
    Data Sheet
    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
    VIEW PRODUCT
    In Stock: 86
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $3.33
    86
    $2.86
    258
    $2.61
    516
    $2.51
    1,032
    $2.50
    R-78K3.3-0.5
    Data Sheet
    R-78K3.3-0.5 RECOM
    The R-78K3.3-0.5 is a non-isolated DC/DC switching regulator that provides a regulated 3.3V output at up to 0.5A.
    VIEW PRODUCT
    In Stock: 1073
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $2.35
    86
    $2.29
    258
    $2.21
    516
    $2.20
    1,032
    $2.19
    R-78K5.0-0.5
    Data Sheet
    R-78K5.0-0.5 RECOM
    R-78K-0.5 Series Single Output 5 V 500 mA Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 10120
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $2.63
    86
    $2.56
    258
    $2.48
    516
    $2.47
    1,032
    $2.46
    R-78K6.5-0.5
    Data Sheet
    R-78K6.5-0.5 RECOM
    The R-78K6.5-0.5 is a non-isolated DC/DC switching regulator that provides a 6.5V output at up to 0.5A.
    VIEW PRODUCT
    In Stock: 645
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $2.58
    86
    $2.55
    258
    $2.48
    516
    $2.45
    1,032
    $2.44
    R-78K9.0-0.5
    Data Sheet
    R-78K9.0-0.5 RECOM
    R-78K-0.5 Series Single Output 9 V 500 mA Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 172
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $2.59
    86
    $2.56
    258
    $2.51
    516
    $2.47
    1,032
    $2.46
    R-78K12-1.0
    Data Sheet
    R-78K12-1.0 RECOM
    R-78K-1.0 Series Single Output 12 V 1 A Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 144
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $3.30
    86
    $3.19
    258
    $3.12
    516
    $3.11
    1,032
    $3.10
    R-78K15-1.0
    Data Sheet
    R-78K15-1.0 RECOM
    R-78K-1.0 Series Single Output 15 V 1 A Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 43
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $3.18
    86
    $3.15
    258
    $3.13
    516
    $2.98
    1,032
    $2.93
    R-78K1.8-1.0
    Data Sheet
    R-78K1.8-1.0 RECOM
    R-78K-1.0 Series Single Output 1.8 V 1 A Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 43
    Immediately
    MANUFACTURER STOCK 723
    Ships 8/28/26
    43
    $3.88
    86
    $3.82
    258
    $3.49
    516
    $3.35
    1,032
    $3.33
    R-78K2.5-1.0
    Data Sheet
    R-78K2.5-1.0 RECOM
    R-78K-1.0 Series Single Output 2.5 V 1 A Non Isolated DC/DC Converter - SIP-3
    VIEW PRODUCT
    In Stock: 215
    Immediately
    MANUFACTURER STOCK 1000
    Ships 8/28/26
    43
    $3.75
    86
    $3.67
    258
    $3.34
    516
    $3.22
    1,032
    $3.21