# CMP5970

**Cmos** · MOSFETs · TO-220

CMP5970 from Cmos, in a TO-220. 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 ±20 V, threshold -1 to -3 V at ID=-250uA. |
| 2 | D | passive | Drain; drain-source voltage -150 V max, continuous drain current -30 A at TC=25C. |
| 3 | S | passive | Source; connected to the body diode anode, with diode forward voltage max -1.3 V at IS=-20A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | TO-220 |
| 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 Voltage | VDS |  |  | -150 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID |  |  | -30 | A | TC=25℃ | 1 |
| Pulsed Drain Current | IDM |  |  | -90 | A |  | 1 |
| Avalanche Current | IAS |  |  | -30 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 200 | W | TC=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ |  |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 62.5 | ℃/ W |  | 1 |
| Thermal Resistance Junction-case | RθJC |  |  | 2 | ℃/ W |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | -150 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 75 | 85 | mΩ |  | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 180 | mΩ | VGS=-4.5V, ID=-8A | 2 |
| Gate Threshold Voltage | VGS(th) | -1 |  | -3 | V | VGS=VDS, ID=-250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -1 | uA | VDS=-100V, VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS = ±20V, VDS=0V | 2 |
| Forward Transconductance | gfs |  |  | 40 | S | VDS= -10V, ID= -10A | 2 |
| Diode Forward Voltage | VSD |  |  | -1.3 | V | VGS=0V, IS=-20A | 2 |

## CAD (KiCad official)

- Symbol: `CMP5970`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220 (KiCad packages3D, STEP)
- 3D model files: `cmp5970-etched.step` / `cmp5970-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmp5970.step` / `cmp5970.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/8590457527449120768) (2 pp, sha256 `8cd14d2609ccd155`, 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/cmp5970-datasheet.pdf)