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UF5402

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LGE Diodes - General Purpose, 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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UF5402

LGE · Diodes - General Purpose · DO-27

UF5402 from LGE, 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 LGE
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 recurrent peak reverse voltage VRRM 200 V 1
Maximum DC blocking voltage VDC 200 V 1
Maximum RMS voltage VRMS 140 V 1
Maximum average forward rectified current IF(AV) 3 A 9.5mm lead length, @TA=75 1
Peak forward surge current IFSM 150 A 8.3ms single half-sine-wave superimposed on rated load @TJ=125 1
Maximum instantaneous forward voltage VF 1 V at 3.0 A 1
Maximum reverse current at TA=25 IR 10 µA @TA=25, at rated DC blocking voltage 1
Maximum reverse current at TA=100 IR 100 µA @TA=100, at rated DC blocking voltage 1
Maximum reverse recovery time trr 50 ns Measured with IF=0.5A, IR=1A, Irr=0.25A 1
Operating junction temperature range TJ -55 175 °C 1
Storage temperature range TSTG -55 175 °C 1

CAD (KiCad official)

  • Symbol: UF5402
  • 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: LGE datasheet (2 pp, sha256 02f0ebdd87f014db, retrieved 2026-10-16, 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