# TM2302CI

**Tritech MOS** · MOSFETs · SOT-23

TM2302CI from Tritech MOS, 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; controls the channel, with absolute maximum VGS of ±12 V and threshold of 0.45 to 1.1 V at 250 uA. |
| 2 | S | passive | Source; current return terminal of the N-channel MOSFET, with body diode continuous forward current up to 3.5 A. |
| 3 | D | passive | Drain; rated for VDS of 20 V and continuous drain current of 4.0 A at TA=25℃ (10 A pulsed). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Tritech MOS |
| 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 Breakdown Voltage | BVDSS | 20 |  |  | V | VGS = 0 V, ID = 250 uA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | uA | VDS =20 V, VGS = 0 V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 10 | uA | VDS = 16V, TC = 125℃ | 2 |
| Gate-Body Leakage Current, Forward | IGSSF |  |  | 100 | nA | VGS = 10V, VDS = 0 V | 2 |
| Gate-Body Leakage Current, Reverse | IGSSR |  |  | -100 | nA | VGS = -10 V, VDS = 0 V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.45 | 0.7 | 1.1 | V | VDS = VGS, ID = 250 uA | 2 |
| Static Drain-Source On-Resistance | RDS(on) |  | 35 | 55 | mΩ | VGS = 4.5 V, ID =3.5A | 2 |
| Static Drain-Source On-Resistance | RDS(on) |  | 55 | 70 | mΩ | VGS = 2.5 V, ID =2.0A | 2 |
| Maximum Continuous Drain-Source Diode Forward Current | IS |  |  | 3.5 | A |  | 2 |
| Maximum Pulsed Drain-Source Diode Forward Current | ISM |  |  | 10.5 | A |  | 2 |
| Drain to Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS = 0V, ISD = 3.5A, TJ = 25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID@TA=25℃ |  |  | 4 | A | VGS @ 10V, TA=25℃ | 1 |
| Continuous Drain Current | ID@TA=70℃ |  |  | 1.45 | A | VGS @ 10V, TA=70℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 10 | A |  | 1 |
| Total Power Dissipation | PD@TA=25℃ |  |  | 1.05 | W | TA=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 112 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `TM2302CI`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `tm2302ci-etched.step` / `tm2302ci-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tm2302ci.step` / `tm2302ci.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Tritech MOS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906541019250688) (5 pp, sha256 `5789fe16fbff46bd`, retrieved 2026-10-18, 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/tm2302ci-datasheet.pdf)