# TM03N10AI

**Tritech MOS** · MOSFETs · SOT-23

TM03N10AI 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; gate-source voltage is limited to ±20 V, with a threshold of 1.1 V min, 1.5 V typ and 2.5 V max at ID = 250 µA. |
| 2 | S | passive | Source; continuous source current is 2 A max, and body diode forward voltage is 1.2 V max at IS = 1 A. |
| 3 | D | passive | Drain; drain-source voltage is 100 V max, with 3 A continuous drain current at 25 °C and 5 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 | V(BR)DSS | 100 |  |  | V | VGS = 0 V, ID = 250µA | 2 |
| Gate Leakage Current | IGSS | -100 |  | 100 | nA | VGS = ±20V, VDS = 0V | 2 |
| Drain Cut-off Current | IDSS |  |  | 1 | µA | VDS = 100V, VGS = 0V | 2 |
| Gate Threshold Voltage | VGS(th) | 1.1 | 1.5 | 2.5 | V | VGS = VDS, ID = 250µA | 2 |
| Drain-Source on-state Resistance | RDS(on) |  | 200 | 280 | mΩ | VGS = 10V, ID = 2A | 2 |
| Drain-Source on-state Resistance | RDS(on) |  | 230 | 310 | mΩ | VGS = 4.5V, ID = 1.5A | 2 |
| Body Diode Voltage | VSD |  |  | 1.2 | V | IS= 1A, VGS = 0V | 2 |
| Continuous Source Current | IS |  |  | 2 | A |  | 2 |
| Drain-Source Voltage | VDS |  |  | 100 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID@TA=25℃ |  |  | 3 | A | VGS @ 10V | 1 |
| Continuous Drain Current | ID@TA=70℃ |  |  | 1.2 | A | VGS @ 10V | 1 |
| Pulsed Drain Current | IDM |  |  | 5 | A |  | 1 |
| Total Power Dissipation | PD@TA=25℃ |  |  | 1 | W |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 125 | ℃/W |  | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 80 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `TM03N10AI`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `tm03n10ai-etched.step` / `tm03n10ai-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tm03n10ai.step` / `tm03n10ai.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/8590906472077881344) (5 pp, sha256 `c2fc74a3c18e23ce`, 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/tm03n10ai-datasheet.pdf)