component
BT139B-800G-JSM
Public Made by Adomby adom
JSMSEMI Thyristors (SCR)/Modules, TO-263. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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BT139B-800G-JSM
JSMSEMI · Thyristors (SCR)/Modules · TO-263
BT139B-800G-JSM from JSMSEMI, in a TO-263. 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 | T1 | passive | Main terminal T1 (MT1) of the triac, shown as T1(1) in the package diagram. |
| 2 | T2 | passive | Main terminal T2 (MT2) of the triac, shown as T2(2); also connected to the tab, with repetitive peak off-state voltage VDRM/VRRM of 800 V and RMS on-state current of 16 A. |
| 3 | G | input | Gate terminal G(3); gate trigger current max 50 mA (quadrants I-III) and 100 mA (quadrant IV) at VD=12 V, IT=0.1 A, with gate trigger voltage max 1.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | TO-263 |
| 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 | 800 | V | 1 | |||
| RMS on-state current (full sine wave) | IT(RMS) | 16 | A | 1 | |||
| Non-repetitive peak on-state current | ITSM | 160 | A | tp=20ms | 1 | ||
| Peak gate power dissipation | PGM | 5 | W | 1 | |||
| Average gate power dissipation | PG(AV) | 0.5 | W | 1 | |||
| Operating junction temperature | Tj | 125 | ℃ | 1 | |||
| Storage temperature | Tstg | -40 | 150 | ℃ | 1 | ||
| Repetitive peak reverse current | IRRM | 0.02 | mA | VR=VRRM | 1 | ||
| Repetitive peak reverse current | IRRM | 0.5 | mA | VR=VRRM, Tj=125℃ | 1 | ||
| Repetitive peak off-state current | IDRM | 0.02 | mA | VD=VDRM | 1 | ||
| Repetitive peak off-state current | IDRM | 0.5 | mA | VD=VDRM, Tj=125℃ | 1 | ||
| Gate trigger current, quadrant I | IGT | 50 | mA | VD=12V; IT=0.1A | 1 | ||
| Gate trigger current, quadrant II | IGT | 50 | mA | VD=12V; IT=0.1A | 1 | ||
| Gate trigger current, quadrant III | IGT | 50 | mA | VD=12V; IT=0.1A | 1 | ||
| Gate trigger current, quadrant IV | IGT | 100 | mA | VD=12V; IT=0.1A | 1 | ||
| Gate trigger voltage | GT | 1.5 | V | VD=12V; IT=0.1A | 1 | ||
| On-state voltage | VTM | 1.6 | V | IT=20A | 1 | ||
| Holding current | IH | 30 | mA | IGT=0.1A, VD=12V | 1 |
CAD (KiCad official)
- Symbol:
BT139B-800G-JSM - Footprint:
Package_TO_SOT_SMD:TO-263-2 - 3D model: TO-263 (KiCad packages3D, STEP)
- 3D model files:
bt139b-800g-jsm-etched.step/bt139b-800g-jsm-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bt139b-800g-jsm.step/bt139b-800g-jsm.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JSMSEMI datasheet (2 pp, sha256
5377ff7db576fdc0, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).