# BSS131 H6327-JSM

**JSMSEMI** · Bipolar (BJT) · SOT-23

BSS131 H6327-JSM from JSMSEMI, in a SOT-23. 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 | G | input | Gate; gate-source voltage limited to ±20 V, with gate threshold of 1 V min to 2 V max at ID=250µA. |
| 2 | S | passive | Source; body-diode forward current IS is 3 A max and the diode forward voltage is 1.2 V max at IS=3A. |
| 3 | D | passive | Drain; drain-source voltage rated 250 V (absolute maximum) with RDS(on) of 3.4 Ω max at VGS=10V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS |  |  | 250 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 0.1 | A |  | 1 |
| Pulsed Drain Current (Note 1) | IDM |  |  | 1 | A |  | 1 |
| Power Dissipation | PD |  |  | 1.5 | W |  | 1 |
| Junction Temperature | TJ |  |  | 150 | °C |  | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction-to-Ambient (Note 2) | RthJA |  |  | 100 | °C/W | Surface mounted on FR4 board, t ≤ 10 sec | 1 |
| Drain-Source Breakdown Voltage | VDSS | 100 |  |  | V | ID=250µA, VGS=0V | 1 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS=100V, VGS=0V | 1 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 1 |
| Gate Threshold Voltage (Note 3) | VGS(th) | 1 |  | 2 | V | VDS=VGS, ID=250µA | 1 |
| Static Drain-Source On-Resistance (Note 3) | RDS(On) |  |  | 3.4 | Ω | VGS=10V, ID=3A | 1 |
| Static Drain-Source On-Resistance (Note 3) | RDS(On) |  |  | 4.5 | Ω | VGS=4.5V, ID=3A | 1 |
| Body-Diode Forward Current (Note 2) | IS |  |  | 3 | A |  | 1 |
| Diode Forward Voltage (Note 3) | VSD |  |  | 1.2 | V | IS=3A, VGS=0V | 1 |

## CAD (KiCad official)

- Symbol: `BSS131 H6327-JSM`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `bss131-h6327-jsm-etched.step` / `bss131-h6327-jsm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bss131-h6327-jsm.step` / `bss131-h6327-jsm.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/8603065473953251328) (4 pp, sha256 `f407b8479f43e5ce`, retrieved 2026-10-17, 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/bss131-h6327-jsm-datasheet.pdf)