# MMBT5401HE3-TP

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

MMBT5401HE3-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 PNP transistor; Emitter-Base voltage rating VEBO is -5 V. |
| 2 | E | passive | Emitter of the PNP transistor; Emitter-Base voltage rating VEBO is -5 V. |
| 3 | C | passive | Collector of the PNP transistor; rated for IC -600 mA, VCEO -150 V and VCBO -160 V. |

## 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 |
|---|---|---|---|---|---|---|---|
| Emitter-Base Cutoff Current | IEBO |  |  | -100 | nA | VEB=-4V, IC=0 | 2 |
| Collector Cutoff Current | ICBO |  |  | -50 | nA | VCB=-120V, IE=0 | 2 |
| Base-Emitter Saturation Voltage | VBE(sat) |  |  | -1 | V | IC=-50mA, IB=-5mA | 2 |
| Collector-Emitter Saturation Voltage | VCE(sat) |  |  | -0.5 | V | IC=-50mA, IB=-5mA | 2 |
| Emitter-Base Breakdown Voltage | V(BR)EBO | -5 |  |  | V | IC=-100µA, IE=0 | 2 |
| Collector-Emitter Breakdown Voltage | V(BR)CEO | -150 |  |  | V | IC=-1mA, IB=0 | 2 |
| Collector-Base Breakdown Voltage | V(BR)CBO | -160 |  |  | V |  | 2 |
| Transition Frequency | fT | 100 |  |  | MHz | VCE=-5V, IC=-10mA, f=30MHz | 2 |
| DC Current Gain | hFE | 80 |  |  |  | VCE=-5V, IC=-50mA | 2 |
| Collector Current | IC |  |  | -600 | mA |  | 1 |
| Collector Power Dissipation | PC |  |  | 300 | mW |  | 1 |
| Collector-Emitter Voltage | VCEO |  |  | -150 | V |  | 1 |
| Emitter-Base Voltage | VEBO |  |  | -5 | V |  | 1 |
| Collector-Base Voltage | VCBO |  |  | -160 | V |  | 1 |
| Operating Junction Temperature Range |  | -55 |  | 150 | ℃ |  | 1 |
| Storage Temperature Range |  | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance, Junction to Ambient |  |  | 417 |  | ℃/W | Junction to Ambient | 1 |

## CAD (KiCad official)

- Symbol: `MMBT5401HE3-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `mmbt5401he3-tp-etched.step` / `mmbt5401he3-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbt5401he3-tp.step` / `mmbt5401he3-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/8590289693142659072) (4 pp, sha256 `7164c36d720fc32c`, 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/mmbt5401he3-tp-datasheet.pdf)