# CMS2808D

**Cmos** · MOSFETs · SOP-8

CMS2808D from Cmos, in a SOP-8. 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 | S | passive | Source terminal of the N-channel MOSFET, with a VDS rating of 20V and VGS of ±10V. |
| 2 | S | passive | Source terminal of the N-channel MOSFET, with a VDS rating of 20V and VGS of ±10V. |
| 3 | S | passive | Source terminal of the N-channel MOSFET, with a VDS rating of 20V and VGS of ±10V. |
| 4 | G | input | Gate terminal of the N-channel MOSFET, with VGS rated at ±10V. |
| 5 | D | passive | Drain terminal of the N-channel MOSFET, with a VDS rating of 20V. |
| 6 | D | passive | Drain terminal of the N-channel MOSFET, with a VDS rating of 20V. |
| 7 | D | passive | Drain terminal of the N-channel MOSFET, with a VDS rating of 20V. |
| 8 | D | passive | Drain terminal of the N-channel MOSFET, with a VDS rating of 20V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | SOP-8 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 8 |

## 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=250μA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 13.5 | mΩ | VGS=4.5V, ID=6A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 18 | mΩ | VGS=2.5V, ID=3A | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 10 | uA | VDS=16V, VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | -6 |  | 6 | uA | VGS = ±10V, VDS=0V | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 |  | 1 | V | VGS=VDS, ID =250μA | 2 |
| Continuous Source Current | IS |  |  | 11 | A |  | 2 |
| Pulsed Source Current | ISM |  |  | 33 | A | VG=VD=0V, Force Current | 2 |
| Diode Forward Voltage | VSD |  |  | 1 | V | VGS=0V, IF=1A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -10 |  | 10 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 11 | A |  | 1 |
| Pulsed Drain Current | IDM |  |  | 33 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 3 | W | TA=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance, Junction-to-Ambient | RθJA |  |  | 50 | ℃/ W |  | 1 |

## CAD (KiCad official)

- Symbol: `CMS2808D`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `cms2808d-etched.step` / `cms2808d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cms2808d.step` / `cms2808d.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Cmos datasheet](docs/cms2808d-datasheet.pdf) (2 pp, sha256 `6a5f4e2900f43458`, retrieved 2026-10-27, 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/cms2808d-datasheet.pdf)