# CMD1402T

**Cmos** · MOSFETs · TO-252

CMD1402T from Cmos, in a TO-252. 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 ±10 V, with threshold VGS(th) of 0.45 V min to 1 V max at ID=250uA. |
| 2 | D | passive | Drain, also the exposed tab; drain-source voltage 15 V max and continuous current 70 A at TC=25℃ (210 A pulsed). |
| 3 | S | passive | Source; RDS(ON) is 7 mΩ max at VGS=4.5V and ID=20A, and the body diode forward voltage is 1.2 V max at IS=20A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | TO-252 |
| Category | Triode/MOS Tube/Transistor |
| 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 |
|---|---|---|---|---|---|---|---|
| BVDSS Drain-Source Breakdown Voltage | BVDSS | 15 |  |  | V | VGS=0V, ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 6.1 | 7 | mΩ | VGS=4.5V, ID=20A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 8 | 10 | mΩ | VGS=2.5V, ID=10A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.45 |  | 1 | V | VGS=VDS, ID=250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=14V, VGS=0V, TJ=25℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 10 | uA | VDS=10V, VGS=0V, TJ=55℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±10V, VDS=0V | 2 |
| Diode Forward Voltage | VSD |  | 0.9 | 1.2 | V | VGS=0V, IS=20A | 2 |
| Drain-Source Voltage | VDS |  |  | 15 | V |  | 1 |
| Gate-Source Voltage | VGS | -10 |  | 10 | V |  | 1 |
| Continuous Drain Current | ID@TC=25℃ |  |  | 70 | A | TC=25℃ | 1 |
| Continuous Drain Current | ID@TC=100℃ |  |  | 45 | A | TC=100℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 210 | A | Pulse width limited by maximum junction temperature (note 1) | 1 |
| Avalanche energy | EAS |  |  | 100 | mJ |  | 1 |
| Total Power Dissipation | PD@TC=25℃ |  |  | 50 | W | TC=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 75 | ℃/W | Mounted on a 1 in2 pad of 2 oz copper (note 3) | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 2.5 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `CMD1402T`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `cmd1402t-etched.step` / `cmd1402t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmd1402t.step` / `cmd1402t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Cmos datasheet](docs/cmd1402t-datasheet.pdf) (2 pp, sha256 `4ac63402e2885d39`, retrieved 2026-11-05, 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/cmd1402t-datasheet.pdf)