component
GBU4K
Public Made by Adomby adom
LRC Bridge Rectifiers, GBU. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 11d ago |
| viewers | 11d ago |
| gbu4k-etched.glb | 11d ago |
| gbu4k-etched.step | 11d ago |
| gbu4k-hero.glb | 11d ago |
| gbu4k-hero.overlay.json | 11d ago |
| gbu4k.glb | 11d ago |
| gbu4k.kicad_mod | 11d ago |
| gbu4k.kicad_sym | 11d ago |
| gbu4k.lbr | 11d ago |
| gbu4k.step | 11d ago |
| package.json | 11d ago |
| page.json | 11d ago |
| README.md | 11d ago |
GBU4K
LRC · Bridge Rectifiers · GBU
GBU4K 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 of the bridge rectifier, marked '-' on the package body, left-most lead. |
| 2 | 2 | passive | AC input terminal, marked '~' on the package body, second lead from the negative end. |
| 3 | 3 | passive | AC input terminal, marked '~' on the package body, third lead from the negative end. |
| 4 | + | passive | DC positive output of the bridge rectifier, marked '+' on the package body, right-most lead. |
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 voltage | VRRM | 800 | V | 1 | |||
| Maximum RMS voltage | VRMS | 560 | V | 1 | |||
| Maximum non-repetitive voltage | VDC | 880 | V | 1 | |||
| Maximum DC blocking voltage | VDC | 800 | V | 1 | |||
| Maximum DC reverse current | IR | 5 | µA | TA=25℃, at rated DC blocking voltage | 1 | ||
| Maximum DC reverse current | IR | 500 | µA | TA=125℃, at rated DC blocking voltage | 1 | ||
| Maximum average forward rectified output current | Io | 4 | A | Tc=100℃(1); unites mounted on P.C.B. without heat-sink Ta=40℃(2) | 1 | ||
| Peak forward surge current | IFSM | 150 | A | 8.3ms single half sine-wave superimposed on rated load | 1 | ||
| Rating of fusing | I2t | 93 | 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 2.0A | 1 | ||
| Thermal resistance junction to ambient | RθJA | 22 | ℃/W | Maximum thermal resistance per leg on P.C.B. without heat-sink | 1 | ||
| Thermal resistance junction to case | RθJC | 3.5 | ℃/W | Per leg on Al plate heat-sink | 1 | ||
| Operating junction temperature | TJ | -55 | 150 | ℃ | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Mounting torque rating | Tor | 0.8 | N.m | Rating torque | 1 | ||
| Mounting torque suggested range | Tor | 0.45 | 0.65 | N.m | Suggested | 1 |
CAD (KiCad official)
- Symbol:
GBU4K - Footprint:
Diode_THT:Diode_Bridge_Vishay_GBU - 3D model: GBU (KiCad packages3D, STEP)
- 3D model files:
gbu4k-etched.step/gbu4k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);gbu4k.step/gbu4k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LRC datasheet (3 pp, sha256
fe1a926b1b4e8299, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).