# GBU806G

**NH** · Bridge Rectifiers · GBU

GBU806G from NH, 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 | Output Cathode(-) | power_out | DC output cathode (negative) terminal of the bridge rectifier, marked '-' on the case. |
| 2 | AC1 | input | AC input terminal 1 of the bridge rectifier; the datasheet gives no electrical limits for this pin. |
| 3 | AC2 | input | AC input terminal 2 of the bridge rectifier; the datasheet gives no electrical limits for this pin. |
| 4 | Output Anode(+) | power_out | DC output anode (positive) terminal of the bridge rectifier, marked '+' on the case. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | NH |
| 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 (GBU806G) | VRRM |  |  | 600 | V |  | 1 |
| Maximum RMS Voltage (GBU806G) | VRMS |  |  | 420 | V |  | 1 |
| Maximum DC Blocking Voltage (GBU806G) | VDC |  |  | 600 | V |  | 1 |
| Maximum Average Forward Rectified Current | IF(AV) |  |  | 8 | A | @ TC=100°C (see fig.1), with heatsink | 1 |
| Maximum Average Forward Rectified Current | IF(AV) |  |  | 2.9 | A | @ TC=100°C (see fig.1), without heatsink | 1 |
| Peak Forward Surge Current | IFSM |  |  | 175 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 |
| Current Squared Time per Diode | I2t |  |  | 127.09 | A2 sec | t<8.3ms | 1 |
| Maximum Forward Voltage per Diode | VFM |  |  | 1 | V | @4.0A, pulse test 300 µs pulse width, 1% duty cycle (Note 1) | 1 |
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IRRM |  |  | 5 | uA | at rated DC blocking voltage | 1 |
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IRRM |  |  | 300 | uA | at rated DC blocking voltage, TC=125℃ | 1 |
| Typical Junction Capacitance per Diode | CJ |  | 50 |  | pF | measured at 1 MHz, applied reverse voltage 4.0 VDC (Note 3) | 1 |
| Typical Thermal Resistance, junction to ambient | RθJA |  | 8 |  | ℃/W | with heatsink, mounted on 75mm x 45mm x 5.5mm aluminum plate (Note 4) | 1 |
| Typical Thermal Resistance, junction to ambient | RθJA |  | 25 |  | ℃/W | without heatsink | 1 |
| Typical Thermal Resistance, junction to case | RθJC |  | 2 |  | ℃/W |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `GBU806G`
- Footprint: `Diode_THT:Diode_Bridge_Vishay_GBU`
- 3D model: GBU (KiCad packages3D, STEP)
- 3D model files: `gbu806g-etched.step` / `gbu806g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gbu806g.step` / `gbu806g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [NH datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590923789754847232) (5 pp, sha256 `73ecd8e82ffc5a6a`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/gbu806g-datasheet.pdf)