# GBU1010A

**Yangzhou Yangjie Elec Tech** · Bridge Rectifiers · GBU

GBU1010A from Yangzhou Yangjie Elec Tech, 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 body; average rectified output 10.0 A with heatsink (Tc=80℃), 3.6 A without (Ta=25℃). |
| 2 | AC1 | passive | AC input terminal marked 'AC' on the body; GBU1010A is rated VRRM 1000 V with 2.5 kV terminals-to-case dielectric strength. |
| 3 | AC2 | passive | Second AC input terminal marked 'AC' on the body; GBU1010A is rated VRRM 1000 V with IFSM 200 A surge current. |
| 4 | + | passive | DC positive output terminal of the bridge, marked '+' on the body; forward voltage drop 1.00 V per diode at IFM=5.0 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| 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 |  |  | 1000 | V | GBU1010A column | 1 |
| Average rectified output current, with heatsink | IO |  |  | 10 | A | @60Hz half sine wave, R-load, Tc=80℃ | 1 |
| Average rectified output current, without heatsink | IO |  |  | 3.6 | A | @60Hz half sine wave, R-load, Ta=25℃ | 1 |
| Surge (non-repetitive) forward current | IFSM |  |  | 200 | A | @60Hz half sine wave, 1 cycle, Tj=25℃ | 1 |
| Current squared time | I2t |  |  | 166 | A2S | @1ms≤t≤8.3ms, Tj=25℃, rating per diode | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Junction temperature | Tj | -55 |  | 150 | ℃ |  | 1 |
| Dielectric strength | Vdis |  |  | 2.5 | KV | terminals to case, AC 1 minute | 1 |
| Mounting torque | Tor |  |  | 8 | kg·cm | recommended torque 5 kg·cm | 1 |
| Maximum instantaneous forward voltage drop per diode | VF |  |  | 1 | V | IFM=5.0A | 1 |
| Maximum DC reverse current at rated DC blocking voltage per diode | IRRM |  |  | 5 | μA | VRM=VRRM | 1 |
| Thermal resistance, junction to ambient, without heatsink | RθJ-A |  | 25 |  | ℃/W | without heatsink | 2 |
| Thermal resistance, junction to case, with heatsink | RθJ-C |  | 2.3 |  | ℃/W | with heatsink | 2 |

## CAD (KiCad official)

- Symbol: `GBU1010A`
- Footprint: `Diode_THT:Diode_Bridge_Vishay_GBU`
- 3D model: GBU (KiCad packages3D, STEP)
- 3D model files: `gbu1010a-etched.step` / `gbu1010a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gbu1010a.step` / `gbu1010a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588897762121289728) (4 pp, sha256 `87fd6400cb56ba0c`, retrieved 2026-10-13, 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](docs/gbu1010a-datasheet.pdf)