# CMN2302BSM

**Cmos** · MOSFETs · SOT-23-3L

CMN2302BSM from Cmos, in a SOT-23-3L. 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 terminal; gate-source voltage is rated ±12 V (VGS), and the device is specified for gate drive down to 2.5 V. |
| 2 | S | passive | Source terminal; reference for VGS and the body diode, with diode forward voltage VSD of 1.2 V max at IS = 3 A. |
| 3 | D | passive | Drain terminal; drain-source voltage is rated 20 V with continuous drain current ID of 3 A at TA = 25℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | SOT-23-3L |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Breakdown Voltage | BVDSS | 20 |  |  | V | VGS=0V , ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 55 | mΩ | VGS=4.5V, ID=3A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 75 | mΩ | VGS=2.5V, ID=2A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 |  | 1 | V | VGS=VDS , ID =250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=20V,VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS = ±12V, VDS=0V | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS=0V , IS =3A | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 2 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 2 |
| Continuous Drain Current | ID |  |  | 3 | A | @TA=25℃ | 2 |
| Pulsed Drain Current | IDM |  |  | 9 | A |  | 2 |
| Total Power Dissipation | PD |  |  | 1.5 | W | @TA=25℃ | 2 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 2 |
| Operating Junction Temperature Range | TJ |  |  | 150 | ℃ |  | 2 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 250 | ℃/ W |  | 2 |

## CAD (KiCad official)

- Symbol: `CMN2302BSM`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `cmn2302bsm-etched.step` / `cmn2302bsm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmn2302bsm.step` / `cmn2302bsm.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Cmos datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758071784954978304) (3 pp, sha256 `7d0f30f2249d68ec`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/cmn2302bsm-datasheet.pdf)