# MCQ4953-TP

**MCC Micro Commercial Components** · MOSFETs · SOP-8

MCQ4953-TP from MCC Micro Commercial Components, 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 | S1 | passive | Source terminal of P-channel MOSFET 1, operating within the absolute maximum ratings of VDS -30 V, VGS ±20 V and continuous drain current -5.0 A. |
| 2 | G1 | input | Gate terminal of P-channel MOSFET 1, with gate-source voltage rated at ±20 V maximum. |
| 3 | S2 | passive | Source terminal of P-channel MOSFET 2, operating within the absolute maximum ratings of VDS -30 V, VGS ±20 V and continuous drain current -5.0 A. |
| 4 | G2 | input | Gate terminal of P-channel MOSFET 2, with gate-source voltage rated at ±20 V maximum. |
| 5 | D2 | passive | Drain terminal of P-channel MOSFET 2, with drain-source voltage rated at -30 V and continuous drain current rated at -5.0 A. |
| 6 | D2 | passive | Drain terminal of P-channel MOSFET 2, with drain-source voltage rated at -30 V and continuous drain current rated at -5.0 A. |
| 7 | D1 | passive | Drain terminal of P-channel MOSFET 1, with drain-source voltage rated at -30 V and continuous drain current rated at -5.0 A. |
| 8 | D1 | passive | Drain terminal of P-channel MOSFET 1, with drain-source voltage rated at -30 V and continuous drain current rated at -5.0 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC Micro Commercial Components |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| Continuous Drain Current | ID |  |  | -5 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 2.5 | W |  | 1 |
| Drain-Source Voltage | VDS |  |  | -30 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Operating Junction Temperature Range |  | -55 |  | 150 | °C |  | 1 |
| Storage Temperature Range |  | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction to Ambient |  |  |  | 50 | °C/W | Junction to ambient, surface mounted on FR4 board (Note 1) | 1 |
| Drain-Source Breakdown Voltage | V(BR)DSS | -30 |  |  | V | VGS=0V, ID=-250µA | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VDS=0V, VGS=±20V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | -1 | µA | VDS=-30V, VGS=0V | 2 |
| Gate-Threshold Voltage | VGS(th) | -1 | -1.5 | -2.5 | V | VDS=VGS, ID=-250µA | 2 |
| Drain-Source On-Resistance | RDS(on) |  | 50 | 60 | mΩ | VGS=-10V, ID=-4.9A | 2 |
| Drain-Source On-Resistance | RDS(on) |  | 66 | 90 | mΩ | VGS=-4.5V, ID=-3.7A | 2 |
| Forward Transconductance | gFS | 6 |  |  | S | VDS=-10V, ID=-4.9A | 2 |
| Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V, IS=-1.7A | 2 |

## CAD (KiCad official)

- Symbol: `MCQ4953-TP`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `mcq4953-tp-etched.step` / `mcq4953-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mcq4953-tp.step` / `mcq4953-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC Micro Commercial Components datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915791336493056) (4 pp, sha256 `c1edab2b32059fd2`, retrieved 2026-10-19, 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/mcq4953-tp-datasheet.pdf)