THT / Wired

Switching regulators are high power density, compact voltage regulators with extremely high efficiencies of up to 97%. The R78 series are 3-pin THT replacements for 78xx series linear regulators. The R78 series are one of our most popular product series, being drop-in replacements for TO-220 regulators so the efficiency of legacy power supply boards can be upgraded from around 60% to well over 90% without needing to re-spin the circuit board or fit any heatsinking. The wired versions are designed to be used provide local regulated and short-circuit proof power supplies without the need of any external components or even a circuit board.
Power (W)
  • Min
  • Nom
  • Max
    • Vin (V)
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  • Nom
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    • Main Vout (V)
  • Min
  • Nom
  • Max
    • Iout 1 (mA)
  • Min
  • Nom
  • Max
    • Mounting Type
    Package Style
    Length (mm)
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    • Width (mm)
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    • Height (mm)
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    • Certifications
    MAX Operating Temp (°C)
  • Min
    • Protections
    Current (A)
      Series Current (A) Vin (V) Main Vout (V) Mounting Type Package Style
    1 DC/DC, 1.5 W, Single Output, THT R-78HE-0.3 Series
    Focus
    		0.3 6.5 - 72.0 5 THT SIP3
    2 DC/DC, Single Output, THT R-78CK-0.5 Series
    Focus
    		0.5 5.0 - 40.0, 6.5 - 40.0, 15.0 - 40.0, 18.0 - 40.0 12, 15, 3.3, 5 THT SIP3
    3 DC/DC, Single Output, THT R-78K-0.5 Series
    Focus
    		0.5 4.5 - 36.0, 6.5 - 36.0, 8.0 - 36.0, 12.0 - 36.0, 15.0 - 36.0, 18.0 - 36.0 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 6.5, 9 THT SIP3
    4 DC/DC, Single Output, THT R-78K-1.0 Series
    Focus
    		1.0 4.5 - 36.0, 6.5 - 36.0, 12.0 - 36.0, 15.0 - 36.0, 18.0 - 36.0 1.8, 12, 15, 2.5, 3.3, 5, 9 THT SIP3
    5 DC/DC, Single Output, THT R-78K-2.0 Series
    Focus
    		2.0 4.5 - 36.0, 6.5 - 36.0, 11.0 - 36.0, 14.0 - 36.0, 18.0 - 36.0 1.2, 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 9 THT SIP3
    6 DC/DC, 22.5 W, Single Output, THT RPMA-4.5 Series
    Focus
    		4.5 9.0 - 53.0 5 to 30 THT Open Frame Thirty-second Brick
    7 DC/DC, 40.0 W, Single Output, THT RPMA-8.0 Series
    Focus
    		8.0 9.0 - 53.0 3.3 to 16.5 THT Open Frame Thirty-second Brick
    8 DC/DC, Single Output, PCB Mounting Pins RPMGE-10 Series
    Focus New
    		10.0 18.0 - 75.0 3.3 to 8, 8 to 15 PCB Mounting Pins Open Frame Eighth Brick
    9 DC/DC, Single Output, PCB Mounting Pins RPMGQ-20 Series
    Focus
    		20.0 18.0 - 75.0 3.3 to 8, 8 to 24 PCB Mounting Pins Open Frame Quarter Brick
    10 DC/DC, Single Output, PCB Mounting Pins RPMGS-20 Series
    Focus
    		20.0 18.0 - 75.0 3.3 to 8, 8 to 24 PCB Mounting Pins Open Frame Sixteenth Brick
    11 DC/DC, Single Output, PCB Mounting Pins RPMGH-40 Series
    Focus New
    		40.0 18.0 - 75.0 3.3 to 8, 8 to 24 PCB Mounting Pins Open Frame Half Brick
    12 DC/DC, Single Output, THT R-78S-0.1 Series
    		0.1 0.65 - 1.3, 0.65 - 3.15, 0.65 - 3.3 1.8, 3.3, 3.6 THT SIP4
    13 DC/DC, 7.2 W, Single Output, THT R-78HB-0.3 Series
    		0.3 36.0 - 72.0 24 THT SIP3
    14 DC/DC, Single Output, THT R-78-0.5 Series
    		0.5 4.75 - 30.0, 4.75 - 32.0, 6.5 - 32.0, 8.0 - 32.0, 11.0 - 32.0, 15.0 - 32.0, 18.0 - 32.0 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 6.5, 9 THT SIP3
    15 DC/DC, Single Output, THT R-78E-0.5 Series
    		0.5 6.0 - 28.0, 7.0 - 28.0, 12.0 - 28.0, 15.0 - 28.0, 18.0 - 28.0 12, 15, 3.3, 5, 9 THT SIP3
    16 DC/DC, Single Output, THT R-78HB-0.5 Series
    		0.5 9.0 - 72.0, 14.0 - 72.0, 17.0 - 72.0, 20.0 - 72.0 12, 15, 3.3, 5, 6.5, 9 THT SIP3
    17 DC/DC, Single Output, Wired R-78HB-0.5/W Series
    		0.5 9.0 - 72.0, 17.0 - 72.0 12, 5 Wired SIP3
    18 DC/DC, Single Output, Wired R-78W-0.5 Series
    		0.5 6.5 - 32.0, 11.0 - 32.0, 15.0 - 32.0 12, 3.3, 5, 9 Wired SIP3
    19 DC/DC, Single Output, THT R-6 Series
    		1.0, 2.0 9.0 - 32.0, 11.0 - 32.0, 14.0 - 32.0 1.5 to 3.6, 1.5 to 4.5, 1.8 to 6, 1.8 to 9, 3.3 to 15 THT SIP12
    20 DC/DC, Single Output, THT R-78-1.0 Series
    		1.0 4.75 - 18.0, 6.5 - 18.0 1.8, 2.5, 3.3, 5 THT SIP3
    21 DC/DC, Single Output, THT R-78B-1.0 Series
    		1.0 4.75 - 26.0, 4.75 - 32.0, 6.5 - 32.0, 9.0 - 32.0, 12.0 - 32.0, 16.0 - 32.0, 20.0 - 32.0 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 6.5, 9 THT SIP3
    22 DC/DC, Single Output, THT R-78C-1.0 Series
    		1.0 5.0 - 42.0, 7.0 - 42.0, 8.0 - 42.0, 12.0 - 42.0, 15.0 - 42.0, 18.0 - 42.0 1.8, 12, 15, 3.3, 5, 9 THT SIP3
    23 DC/DC, Single Output, THT R-78E-1.0 Series
    		1.0 7.0 - 28.0, 8.0 - 28.0, 15.0 - 27.0 12, 3.3, 5 THT SIP3
    24 DC/DC, Single Output, THT R-78B-1.5 Series
    		1.5 4.75 - 18.0, 6.5 - 18.0, 8.0 - 18.0 3.3, 5, 6.5 THT SIP3
    25 DC/DC, Single Output, THT R-5A Series
    		2.0 - 5.0 4.5 - 18.0, 6.5 - 18.0, 7.0 - 18.0 1 to 3, 1.1 to 4.5, 1.6 to 5.5, 3 to 5.5 THT SIP12
    26 DC/DC, Single Output, THT R-7 Series
    		2.0, 3.0, 4.0 4.5 - 28.0, 6.5 - 28.0, 8.5 - 28.0, 12.0 - 28.0, 15.0 - 28.0, 19.0 - 28.0 10 to 14, 13 to 17, 2.5 to 5.5, 3 to 5.5, 5 to 7.5, 5 to 8, 7 to 11 THT SIP12
    27 DC/DC, Single Output, THT R-78B-2.0 Series
    		2.0 4.75 - 32.0, 6.5 - 32.0, 11.0 - 32.0, 15.0 - 32.0, 18.0 - 32.0 1.2, 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 9 THT SIP3

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