# BTA08-700BRG

**STMicroelectronics** · Thyristors (SCR)/Modules · TO-220-3

BTA08-700BRG from STMicroelectronics, in a TO-220-3. 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 | A1 | passive | Main terminal A1, the reference for A2 polarity in the characteristics; the triac carries IT(RMS) 8 A at Tc = 100 °C in TO-220AB Ins. |
| 2 | A2 | passive | Main terminal A2 with VDRM/VRRM rated 600 V to 800 V across the A2-A1 pair and IT(RMS) 8 A at Tc = 100 °C in TO-220AB Ins. |
| 3 | G | input | Gate trigger input; for the standard B version IGT is max 50 mA in quadrants I-II-III (100 mA in quadrant IV) and VGT max 1.3 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TO-220-3 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `BTA08-700BRG`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220-3 (KiCad packages3D, STEP)
- 3D model files: `bta08-700brg-etched.step` / `bta08-700brg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bta08-700brg.step` / `bta08-700brg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/bta08-700brg.pdf) (21 pp, sha256 `ad680880278c15e3`, retrieved 2026-11-05, tier: manufacturer)
- **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/bta08-700brg-datasheet.pdf)