# MMBT2907

**YONGYUTAI** · Bipolar (BJT) · SOT-23

MMBT2907 from YONGYUTAI, 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 | BASE | input | Base of the PNP transistor; emitter-base voltage rating is 5 V (VEBO) and emitter-base breakdown is -5 V min at IE=-100µA. |
| 2 | EMITTER | passive | Emitter of the PNP transistor; VEBO is 5 V max and VCEO is 60 V max with respect to the collector. |
| 3 | COLLECTOR | passive | Collector of the PNP transistor; VCBO 60 V, VCEO 60 V, continuous collector current 0.6 A, power dissipation 0.225 W. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | YONGYUTAI |
| 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-emitter saturation voltage | VCE(sat) |  |  | -0.4 | V | IC=-150mA, IB= -15mA | 1 |
| Base-emitter saturation voltage | VBE(sat) |  |  | -1.3 | V | IC=-150mA, IB= -15mA | 1 |
| DC current gain | hFE | 100 |  | 400 |  | VCE=-10V, IC= -150mA | 1 |
| Collector-base breakdown voltage | V(BR)CBO | -60 |  |  | V | IC= -100μA, IE=0 | 1 |
| Collector-emitter breakdown voltage | V(BR)CEO | -60 |  |  | V | IC= -1mA, IB=0 | 1 |
| Emitter-base breakdown voltage | V(BR)EBO | -5 |  |  | V | IE=-100μA, IC=0 | 1 |
| Collector cut-off current (base open, collector-base) | ICBO |  |  | -1 | μA | VCB=-50 V , IE=0 | 1 |
| Collector cut-off current (emitter open, collector-emitter) | ICEO |  |  | -10 | μA | VCE=-30V , IB=0 | 1 |
| Emitter cut-off current | IEBO |  |  | -1 | μA | VEB=-5V , IC=0 | 1 |
| Collector-base voltage | VCBO |  |  | 60 | V |  | 1 |
| Collector-emitter voltage | VCEO |  |  | 60 | V |  | 1 |
| Emitter-base voltage | VEBO |  |  | 5 | V |  | 1 |
| Collector current, continuous | IC |  |  | 0.6 | A |  | 1 |
| Collector power dissipation | PC |  |  | 0.225 | W | TA=25℃ | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `MMBT2907`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `mmbt2907-etched.step` / `mmbt2907-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbt2907.step` / `mmbt2907.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [YONGYUTAI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757280479660269568) (2 pp, sha256 `252521de4343d6e1`, retrieved 2026-10-09, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/mmbt2907-datasheet.pdf)