# CMH24N50

**Cmos** · MOSFETs · TO-247

CMH24N50 from Cmos, in a TO-247. 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 rated at ±30 V maximum, with a threshold of 2 to 4 V at VDS=VGS, ID=250uA. |
| 2 | D | passive | Drain; drain-source voltage is rated at 500 V, with continuous drain current of 24 A at TC=25℃ and 15 A at TC=100℃. |
| 3 | S | passive | Source; body diode continuous source current is 24 A, with forward voltage of 1.4 V maximum at IS=24 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | TO-247 |
| 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 | 500 |  |  | V | VGS=0V, ID=250uA | 2 |
| Gate Threshold Voltage | VGS(th) | 2 |  | 4 | V | VGS=VDS, ID=250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=500V, VGS=0V | 2 |
| Drain-Source Leakage Current at high temperature | IDSS |  |  | 10 | uA | VDS=400V, VGS=0V, TC=125℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±30V, VDS=0V | 2 |
| Continuous Source Current | IS |  |  | 24 | A |  | 2 |
| Pulsed Source Current | ISM |  |  | 72 | A | VG=VD=0V, Force Current | 2 |
| Diode Forward Voltage | VSD |  |  | 1.4 | V | VGS=0V, IS=24 A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 500 | V |  | 1 |
| Gate-Source Voltage | VGS | -30 |  | 30 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 24 | A | TC=25℃ | 1 |
| Continuous Drain Current | ID |  |  | 15 | A | TC=100℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 96 | A | Note 1: Repetitive rating, pulse width limited by maximum junction temperature | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 810 | mJ | Note 2: L = 5mH, ID = 18A, VDD = 50V, Starting TJ = 25 ℃ | 1 |
| Total Power Dissipation | PD |  |  | 290 | W | TC=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 40 | ℃/W |  | 1 |
| Thermal Resistance Junction-case | RθJC |  |  | 0.43 | ℃/W |  | 1 |
| Transient Thermal Response Junction-case (normalized) | ZθJC(t) |  |  | 0.44 | ℃/W | Note 1: ZθJc(t)=0.44℃/W Max, Duty Factor D=t1/t2 | 4 |

## CAD (KiCad official)

- Symbol: `CMH24N50`
- Footprint: `Package_TO_SOT_THT:TO-247-3_Vertical`
- 3D model: TO-247 (KiCad packages3D, STEP)
- 3D model files: `cmh24n50-etched.step` / `cmh24n50-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmh24n50.step` / `cmh24n50.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Cmos datasheet](docs/cmh24n50-datasheet.pdf) (4 pp, sha256 `645b34606d14ff35`, retrieved 2026-11-07, 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/cmh24n50-datasheet.pdf)