# CMSA150N03

**Cmos** · MOSFETs · DFN-8(5x6)

CMSA150N03 from Cmos, in a DFN-8(5x6). 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 of the N-channel MOSFET; pin 1 is marked on the package, and the datasheet gives VDS 30V and ID 150A at TC=25℃. |
| 2 | S | passive | Source of the N-channel MOSFET, connected to the same source node as the other S pins. |
| 3 | S | passive | Source of the N-channel MOSFET, connected to the same source node as the other S pins. |
| 4 | G | input | Gate of the N-channel MOSFET; absolute maximum VGS is ±20V and the threshold VGS(th) is 1V to 2.5V. |
| 5 | D | passive | Drain of the N-channel MOSFET; VDS is rated 30V and pulsed drain current IDM is 450A. |
| 6 | D | passive | Drain of the N-channel MOSFET, connected to the same drain node as the other D pins. |
| 7 | D | passive | Drain of the N-channel MOSFET, connected to the same drain node as the other D pins. |
| 8 | D | passive | Drain of the N-channel MOSFET, connected to the same drain node as the other D pins. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | DFN-8(5x6) |
| Category | Triode/MOS Tube/Transistor |
| Pins | 9 |

## 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 | 30 |  |  | V | VGS=0V, ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 2 | 2.7 | mΩ | VGS=10V, ID=20A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 2.5 | 3.5 | mΩ | VGS=4.5V, ID=15A | 2 |
| Gate Threshold Voltage | VGS(th) | 1 |  | 2.5 | V | VGS=VDS, ID=250μA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 5 | uA | VDS=30V, VGS=0V, Tc=55℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=30V, VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Diode continuous forward current | IS |  |  | 150 | A |  | 2 |
| Diode pulse current | IS,pulse |  |  | 450 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | 1 | V | VGS=0V, IF=15A, Tj=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | 30 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID@TC=25℃ |  |  | 150 | A | TC=25℃ | 1 |
| Continuous Drain Current | ID@TC=100℃ |  |  | 110 | A | TC=100℃ | 1 |
| Pulsed Drain Current | IDM |  |  | 450 | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 140 | mJ |  | 1 |
| Total Power Dissipation | PD@TC=25℃ |  |  | 110 | W | TC=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance, Junction-to-Ambient | RθJA |  |  | 55 | ℃/ W |  | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 1.5 | ℃/ W |  | 1 |

## CAD (KiCad official)

- Symbol: `CMSA150N03`
- Footprint: `Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm`
- 3D model: DFN-8(5x6) (KiCad packages3D, STEP)
- 3D model files: `cmsa150n03-etched.step` / `cmsa150n03-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmsa150n03.step` / `cmsa150n03.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Cmos datasheet](docs/cmsa150n03-datasheet.pdf) (2 pp, sha256 `2f337f3f2ec62e59`, retrieved 2026-10-30, 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/cmsa150n03-datasheet.pdf)