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Contents

README

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GBU15M

LRC · Bridge Rectifiers · GBU

GBU15M from LRC, in a GBU. 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 - passive DC negative output terminal of the bridge, marked "-" on the package; rated for 15 A average rectified output current at Tc=100℃.
2 2 passive AC input terminal of the bridge, marked "~" on the package; GBU15M is rated at 700 V VRMS.
3 3 passive AC input terminal of the bridge, marked "~" on the package; GBU15M is rated at 700 V VRMS.
4 + passive DC positive output terminal of the bridge, marked "+" on the package; GBU15M has VRRM and VDC of 1000 V.

Key specifications

Parameter Value
Manufacturer LRC
Package GBU
Category Diodes
Pins 4

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 1000 V 1
Maximum DC blocking voltage VDC 1000 V 1
Maximum RMS voltage VRMS 700 V 1
Maximum DC reverse current IR 5 µA at rated DC blocking voltage, TA=25℃ 1
Maximum DC reverse current IR 500 µA at rated DC blocking voltage, TA=125℃ 1
Maximum average forward rectified output current Io 15 A Tc=100℃ 1
Peak forward surge current IFSM 250 A 8.3ms single half sine-wave superimposed on rated load 1
Rating of fusing I2t 240 A2sec t<8.3ms 1
Dielectric strength terminals to case Vdia 2.5 KV AC 1 minute, current 1mA 1
Max instantaneous forward voltage VF 1.05 V at 7.5A 1
Thermal resistance, junction to ambient RθJA 21 ℃/W Maximum thermal resistance per leg on P.C.B. without heat-sink 1
Thermal resistance, junction to case RθJC 2.2 ℃/W per leg on Al plate heat-sink 1
Operating junction temperature TJ -55 150 ℃ 1
Storage temperature Tstg -55 150 ℃ 1
Mounting torque Tor 0.8 N.m Rating torque; datasheet suggests 0.45~0.65 N.m 1

CAD (KiCad official)

  • Symbol: GBU15M
  • Footprint: Diode_THT:Diode_Bridge_Vishay_GBU
  • 3D model: GBU (KiCad packages3D, STEP)
  • 3D model files: gbu15m-etched.step / gbu15m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gbu15m.step / gbu15m.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (3 pp, sha256 8e2dc0a0823d24dc, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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