# 8205A

**JSMSEMI** · MOSFETs · SOT-23-6

8205A from JSMSEMI, in a SOT-23-6. 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 | S1 | passive | Source of MOSFET 1 (Source1); VDS rating 20V, continuous drain current 6A at TA=25°C. |
| 2 | D | passive | Common drain of both MOSFETs (D1/D2 tied together); VDS max 20V, pulsed drain current IDM 20A. |
| 3 | S2 | passive | Source of MOSFET 2 (Source2); VDS rating 20V, continuous drain current 6A at TA=25°C. |
| 4 | G2 | input | Gate of MOSFET 2 (Gate2); VGS max ±12V, threshold VGS(th) 0.5V to 1.5V, 2.5V gate drive. |
| 5 | NC | unconnected | No internal connection. |
| 6 | G1 | input | Gate of MOSFET 1 (Gate1); VGS max ±12V, threshold VGS(th) 0.5V to 1.5V, 2.5V gate drive. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | SOT-23-6 |
| Category | Transistors/Thyristors |
| Pins | 6 |

## 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 |  |  | 20 | V |  | 2 |
| Gate-source voltage | VGS | -12 |  | 12 | V |  | 2 |
| Continuous drain current | ID |  |  | 6 | A | [email protected], TA=25℃ | 2 |
| Drain pulse current | IDM |  |  | 20 | A |  | 2 |
| Maximum power dissipation | PD |  |  | 2 | W | TA = 25℃ | 2 |
| Maximum power dissipation | PD |  |  | 1.3 | W | TA = 75℃ | 2 |
| Operating junction and storage temperature range | TJ, Tstg | -55 |  | 150 | ℃ |  | 2 |
| Junction-to-ambient thermal resistance | RθJA |  |  | 62.5 | ℃/W | PCB mounted | 2 |
| Drain-source breakdown voltage | BVDSS | 20 |  |  | V | VGS = 0V, ID = 250uA | 2 |
| Static drain-source on-resistance | RDS(on) |  | 53 | 75 | mΩ | VGS = 1.8V, ID = 2.0A | 2 |
| Static drain-source on-resistance | RDS(on) |  | 30 | 38 | mΩ | VGS = 2.5V, ID = 3.5A | 2 |
| Static drain-source on-resistance | RDS(on) |  | 22 | 28 | mΩ | VGS = 4.5V, ID = 4.5A | 2 |
| Gate threshold voltage | VGS(th) | 0.5 |  | 1.5 | V | VDS = VGS, ID = 250uA | 2 |
| Zero gate voltage drain current | IDSS |  |  | 1 | uA | VDS = 20V, VGS = 0V | 2 |
| Gate-body leakage current | IGSS | -100 |  | 100 | nA | VGS = ±12V, ID = 0uA | 2 |
| Total gate charge | Qg |  | 6.24 | 8.11 | nC | VDS = 10V, ID = 6A | 2 |

## CAD (KiCad official)

- Symbol: `8205A`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `8205a-etched.step` / `8205a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `8205a.step` / `8205a.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/8588904163665186816) (3 pp, sha256 `ffce0e1ae98ed697`, retrieved 2026-10-09, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/8205a-datasheet.pdf)