# PZTA06

**Changjing** · Bipolar Transistors - BJT · SOT-223

PZTA06 from Changjing, in a SOT-223. 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 lead of the NPN transistor, with an emitter-base voltage rating VEBO of 4 V. |
| 2 | COLLECTOR | passive | Collector lead, with a maximum collector current IC of 500 mA and collector-base and collector-emitter voltages VCBO and VCEO of 80 V. |
| 3 | EMITTER | passive | Emitter lead, with an emitter-base voltage rating VEBO of 4 V and a junction and storage temperature range of -55 to +150 ℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-223 |
| Category | Triode/MOS Tube/Transistor |
| 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 | 80 |  |  | V | IC=0.1mA,IE=0 | 1 |
| Collector-emitter breakdown voltage | V(BR)CEO | 80 |  |  | V | IC=1mA,IB=0 | 1 |
| Emitter-base breakdown voltage | V(BR)EBO | 4 |  |  | V | IE=0.1mA,IC=0 | 1 |
| Collector cut-off current | ICBO |  |  | 100 | nA | VCB=80V,IE=0 | 1 |
| Emitter cut-off current | IEBO |  |  | 100 | nA | VEB=3V, IC=0 | 1 |
| DC current gain | hFE(1) | 100 |  |  |  | VCE=1V, IC=10mA | 1 |
| Collector-emitter saturation voltage | VCE(sat) |  |  | 0.25 | V | IC=100mA,IB=10mA | 1 |
| Base-emitter voltage | VBE |  |  | 1.2 | V | VCE=1V, IC=100mA | 1 |
| Transition frequency | fT | 100 |  |  | MHz | VCE=2V,IC=10mA, f=100MHz | 1 |
| Collector-Base Voltage | VCBO |  |  | 80 | V |  | 1 |
| Collector-Emitter Voltage | VCEO |  |  | 80 | V |  | 1 |
| Emitter-Base Voltage | VEBO |  |  | 4 | V |  | 1 |
| Collector Current | IC |  |  | 500 | mA |  | 1 |
| Collector Power Dissipation | PC |  |  | 1 | W |  | 1 |
| Thermal Resistance From Junction To Ambient | RθJA |  |  | 125 | ℃/W |  | 1 |
| Operation Junction and Storage Temperature Range | TJ,Tstg | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `PZTA06`
- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`
- 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files: `pzta06-etched.step` / `pzta06-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pzta06.step` / `pzta06.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Changjing datasheet](docs/pzta06-datasheet.pdf) (4 pp, sha256 `a186939386f8d044`, retrieved 2026-10-28, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `off` (skipped (clean text read)), 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/pzta06-datasheet.pdf)