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Contents

README

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GBU4005

Changjing · Bridge Rectifiers · GBU

GBU4005 from Changjing, 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 Positive DC output of the bridge rectifier, marked + on the package outline (pin 1 at the + end of the in-line row); IO 4A with heatsink at Tc=100℃.
2 2 passive First AC input of the bridge rectifier, marked ~ on the package; VRRM 50V to 1000V depending on suffix and VRMS 35V to 700V.
3 3 passive Second AC input of the bridge rectifier, marked ~ on the package; VRRM 50V to 1000V depending on suffix and VRMS 35V to 700V.
4 - passive Negative DC output of the bridge rectifier, marked - on the package outline, at the end of the row opposite the + pin.

Key specifications

Parameter Value
Manufacturer Changjing
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
Repetitive Peak Reverse Voltage VRRM 50 V GBU4005 column 1
Average Rectified Output Current, with heatsink IO 4 A 60Hz sine wave, R-load, with heatsink Tc=100℃ 1
Average Rectified Output Current, without heatsink IO 2.4 A 60Hz sine wave, R-load, without heatsink Ta=100℃ 1
Surge (Non-repetitive) Forward Current IFSM 150 A 60Hz sine wave, 1 cycle, Tj=25℃ 1
Current Squared Time I2t 93 A2S 1ms≤t<8.3ms, Tj=25℃, rating of per diode 1
Storage Temperature Tstg -55 150 ℃ 1
Junction Temperature Tj -55 150 ℃ 1
Dielectric Strength Vdis 2 KV Terminals to case, AC 1 minute 1
Mounting Torque (recommended 5 kg·cm) Tor 8 kg·cm Recommend torque: 5kg·cm 1
Peak Forward Voltage VFM 1 V IFM=2A, pulse measurement, rating of per diode 1
Peak Reverse Current IRRM 10 μA VRM=VRRM, pulse measurement, rating of per diode 1
Thermal Resistance, junction to ambient RθJ-A 23 ℃/W Between junction and ambient, without heatsink 1
Thermal Resistance, junction to case RθJ-C 5.5 ℃/W Between junction and case, with heatsink 1
Maximum RMS Voltage VRMS 35 V GBU4005 column 1

CAD (KiCad official)

  • Symbol: GBU4005
  • Footprint: Diode_THT:Diode_Bridge_Vishay_GBU
  • 3D model: GBU (KiCad packages3D, STEP)
  • 3D model files: gbu4005-etched.step / gbu4005-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gbu4005.step / gbu4005.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (3 pp, sha256 9d3e7e5a40e803ad, 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