# TM2302DI

**Tritech MOS** · MOSFETs · SOT-23

TM2302DI 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 VGS rated ±12 V and a threshold of 0.4 V min to 1.0 V max at ID=250 µA. |
| 2 | S | passive | Source; the body diode runs from source to drain, with a continuous diode current of 3 A max. |
| 3 | D | passive | Drain; VDS is rated 20 V, continuous ID is 3.0 A at TA=25℃, and pulsed IDM is 9 A. |

## 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 | V(BR)DSS | 20 |  |  | V | VGS=0V,ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS =20V, VGS = 0V | 2 |
| Gate to Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS =0V,VGS = ±12V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.4 | 0.7 | 1 | V | VDS= VGS, ID=250μA | 2 |
| Static Drain-Source on-Resistance (VGS=4.5V) | RDS(on) |  | 43 | 62 | mΩ | VGS =4.5V, ID =3A | 2 |
| Static Drain-Source on-Resistance (VGS=2.5V) | RDS(on) |  | 62 | 86 | mΩ | VGS =2.5V, ID =2A | 2 |
| Maximum Continuous Drain to Source Diode Forward Current | IS |  |  | 3 | A |  | 2 |
| Maximum Pulsed Drain to Source Diode Forward Current | ISM |  |  | 12 | A |  | 2 |
| Drain to Source Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS = 0V, IS=3A | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID@TA=25℃ |  |  | 3 | A | VGS @ 10V | 1 |
| Continuous Drain Current | ID@TA=70℃ |  |  | 1.16 | A | VGS @ 10V | 1 |
| Pulsed Drain Current | IDM |  |  | 9 | A |  | 1 |
| Total Power Dissipation | PD@TA=25℃ |  |  | 0.85 | W |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 162 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `TM2302DI`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `tm2302di-etched.step` / `tm2302di-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tm2302di.step` / `tm2302di.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/8590906462245892096) (5 pp, sha256 `eed26a6197ad9508`, 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/tm2302di-datasheet.pdf)