# MMBTA63

**Shikues** · Darlington Transistors · SOT-23

MMBTA63 from Shikues, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | BASE | input | Base input terminal of PNP Darlington transistor; maximum base-emitter voltage VEBO = 10 V. |
| 2 | EMITTER | passive | Emitter terminal of PNP Darlington transistor with maximum emitter-base voltage VEBO = 10 V. |
| 3 | COLLECTOR | passive | Collector terminal with maximum collector current IC = 500 mA and collector-emitter voltage VCEO = 30 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shikues |
| 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 Voltage | -VCBO |  |  | 30 | V | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| Collector Emitter Voltage | -VCEO |  |  | 30 | V | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| Emitter Base Voltage | -VEBO |  |  | 10 | V | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| Collector Current | -IC |  |  | 500 | mA | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| Power Dissipation | Ptot |  |  | 200 | mW | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| Junction Temperature | Tj |  |  | 150 | °C | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| Storage Temperature Range | TS | -55 |  | 150 | °C | Absolute Maximum Ratings, Ta = 25 °C | 1 |
| DC Current Gain (MMBTA63, -IC = 10 mA) | hFE | 5000 |  |  |  | -VCE = 5 V, -IC = 10 mA, MMBTA63 | 1 |
| DC Current Gain (MMBTA63, -IC = 100 mA) | hFE | 10000 |  |  |  | -VCE = 5 V, -IC = 100 mA, MMBTA63 | 1 |
| Collector Cutoff Current | -ICBO |  |  | 100 | nA | -VCB = 30 V | 1 |
| Emitter Cutoff Current | -IEBO |  |  | 100 | nA | -VEB = 10 V | 1 |
| Collector Emitter Breakdown Voltage | -V(BR)CEO | 30 |  |  | V | -IC = 100 µA | 1 |
| Collector Emitter Saturation Voltage | VCE(sat) |  |  | 1.5 | V | -IC = 100 mA, -IB = 0.1 mA | 1 |
| Base Emitter On Voltage | VBE(on) |  |  | 2 | V | -VCE = 5 V, -IC = 100 mA | 1 |
| Transition Frequency | fT | 125 |  |  | MHz | -VCE = 5 V, IE = 10 mA | 1 |

## CAD (KiCad official)

- Symbol: `MMBTA63`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `mmbta63-etched.step` / `mmbta63-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbta63.step` / `mmbta63.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shikues datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590166120482037760) (3 pp, sha256 `6837f228c5b530fe`, retrieved 2026-09-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/mmbta63-datasheet.pdf)