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HER308G

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by adom

FUXINSEMI High Effic Rectifier, DO-27. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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HER308G

FUXINSEMI · High Effic Rectifier · DO-27

HER308G from FUXINSEMI, in a DO-27. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer FUXINSEMI
Package DO-27
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Maximum repetitive peak reverse voltage VRRM 300 V 1
Maximum RMS voltage VRMS 210 V 1
Maximum DC blocking voltage VDC 300 V 1
Maximum average forward rectified current I(AV) 3 A 0.375”(9.5mm) lead length at TA=50 C 1
Peak forward surge current IFSM 125 A 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) 1
Maximum DC reverse current at rated DC blocking voltage IR 5 µA TA=25 C, at rated DC blocking voltage 1
Maximum DC reverse current at rated DC blocking voltage IR 150 µA TA=100 C, at rated DC blocking voltage 1
Operating junction and storage temperature range TJ,TSTG -55 150 °C 1
Typical thermal resistance, junction to ambient RθJA 50 °C/W 0.375”(9.5mm) lead length, P.C.B. mounted (NOTE 3) 1

CAD (KiCad official)

  • Symbol: HER308G
  • Footprint: Diode_THT:D_DO-27_P15.24mm_Horizontal
  • 3D model: DO-27 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: FUXINSEMI datasheet (4 pp, sha256 880a8026f1c7c50f, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF