# BTA08-600TWRG

**JSMSEMI** · Thyristors (SCR)/Modules · TO-220AB

BTA08-600TWRG from JSMSEMI, in a TO-220AB. 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 of the triac, the symbol's A1 side, with IT(RMS) 8 A at Tj=105℃ and VDRM/VRRM of 600 V. |
| 2 | A2 | passive | Main terminal A2 of the triac, with IT(RMS) 8 A at Tj=105℃ and VDRM/VRRM of 600 V. |
| 3 | G | input | Gate trigger input, with IGT max 5 mA and VGT max 1.3 V (VD=12V, RL=30Ω, quadrants I-II-III). |

## Key specifications

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

## 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 off-state voltage | VDRM |  |  | 600 | V |  | 1 |
| Repetitive peak reverse voltage | VRRM |  |  | 600 | V |  | 1 |
| RMS on-state current (full sine wave) | IT(RMS) |  |  | 8 | A | Tj=105℃ | 1 |
| Non-repetitive peak on-state current | ITSM |  |  | 80 | A | tp=20ms | 1 |
| Operating junction temperature | Tj |  |  | 110 | ℃ |  | 1 |
| Storage temperature | Tstg | -45 |  | 150 | ℃ |  | 1 |
| Thermal resistance, junction to case | Rth(j-c) |  |  | 2.5 | ℃/W |  | 1 |
| Thermal resistance, junction to ambient | Rth(j-a) |  |  | 60 | ℃/W |  | 1 |
| Repetitive peak reverse current | IRRM |  |  | 0.01 | mA | VR=VRRM | 1 |
| Repetitive peak reverse current | IRRM |  |  | 0.5 | mA | VR=VRRM, Tj=110℃ | 1 |
| Repetitive peak off-state current | IDRM |  |  | 0.01 | mA | VD=VDRM | 1 |
| Repetitive peak off-state current | IDRM |  |  | 0.5 | mA | VD=VDRM, Tj=110℃ | 1 |
| Gate trigger current Ⅰ-Ⅱ-Ⅲ | IGT |  |  | 5 | mA | VD=12V; RL= 30Ω | 1 |
| Holding current | IH |  |  | 10 | mA | IGT= 0.1A, Gate Open | 1 |
| Gate trigger voltage Ⅰ-Ⅱ-Ⅲ | VGT |  |  | 1.3 | V | VD=12V; RL= 30Ω | 1 |
| On-state voltage | VTM |  |  | 1.55 | V | IT= 11A; tp= 380μs | 1 |

## CAD (KiCad official)

- Symbol: `BTA08-600TWRG`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220AB (KiCad packages3D, STEP)
- 3D model files: `bta08-600twrg-etched.step` / `bta08-600twrg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bta08-600twrg.step` / `bta08-600twrg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JSMSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590228604169711616) (2 pp, sha256 `0a56cf0ed47b6406`, retrieved 2026-10-19, 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/bta08-600twrg-datasheet.pdf)