# MMSS8050-H-TP

**MCC Micro Commercial Components** · Bipolar (BJT) · SOT-23

MMSS8050-H-TP from MCC Micro Commercial Components, in a SOT-23. 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 | B | input | Base of the NPN transistor; the datasheet gives emitter-base breakdown V(BR)EBO of 5.0V min and base-emitter saturation voltage VBE(sat) of 1.2V max at IC=800mA, IB=80mA. |
| 2 | E | passive | Emitter of the NPN transistor; the datasheet gives collector current of 1.5A and a VEB of 1.6V max at IE=1.5A. |
| 3 | C | passive | Collector of the NPN transistor; the datasheet gives collector-base voltage of 40V, V(BR)CEO of 25V min and collector current of 1.5A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC Micro Commercial Components |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Base Breakdown Voltage | V(BR)CBO | 40 |  |  | Vdc | IC=100μAdc, IE=0 | 1 |
| Collector-Emitter Breakdown Voltage | V(BR)CEO | 25 |  |  | Vdc | IC=0.1mAdc, IB=0 | 1 |
| Emitter-Base Breakdown Voltage | V(BR)EBO | 5 |  |  | Vdc | IE=100μAdc, IC=0 | 1 |
| Collector Cutoff Current | ICBO |  |  | 0.1 | μAdc | VCB=40Vdc, IE=0 | 1 |
| Emitter Cutoff Current | IEBO |  |  | 0.1 | μAdc | VEB=5.0Vdc, IC=0 | 1 |
| DC Current Gain hFE(1) | hFE(1) | 120 |  | 350 | --- | IC=100mAdc, VCE=1.0Vdc | 1 |
| DC Current Gain hFE(1), Rank H (200-350) | hFE(1) | 200 |  | 350 | --- |  | 1 |
| DC Current Gain hFE(2) | hFE(2) | 40 |  |  | --- | IC=800mAdc, VCE=1.0Vdc | 1 |
| Collector-Emitter Saturation Voltage | VCE(sat) |  |  | 0.5 | Vdc | IC=800mAdc, IB=80mAdc | 1 |
| Base-Emitter Saturation Voltage | VBE(sat) |  |  | 1.2 | Vdc | IC=800mAdc, IB=80mAdc | 1 |
| Base-Emitter Voltage | VEB |  |  | 1.6 | Vdc | IE=1.5Adc | 1 |
| Transistor Frequency | fT | 100 |  |  | MHz | IC=50mAdc, VCE=10Vdc, f=30MHz | 1 |
| Collector Current | IC |  |  | 1.5 | A |  | 1 |
| Collector-Base Voltage | VCB |  |  | 40 | V |  | 1 |
| Power Dissipation | PD |  |  | 0.3 | Watts | Tamb=25°C | 1 |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `MMSS8050-H-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `mmss8050-h-tp-etched.step` / `mmss8050-h-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmss8050-h-tp.step` / `mmss8050-h-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/8586186905147228160) (3 pp, sha256 `6c551e2767350085`, retrieved 2026-10-09, 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/mmss8050-h-tp-datasheet.pdf)