# FCG93A

**GUOXIN JIAPIN SEMICONDUCTOR** · Bipolar Transistors - BJT · SOT-143-4

FCG93A from GUOXIN JIAPIN SEMICONDUCTOR, in a SOT-143-4. 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 | C | passive | Collector of the FCG93A NPN transistor, rated VCBO 20 V, VCEO 10 V and IC 35 mA maximum at TA=25°C. |
| 2 | B | passive | Base of the FCG93A NPN transistor, rated VEBO 2 V maximum; power dissipation PC is 200 mW and junction temperature Tj is 150 °C maximum. |
| 3 | E | passive | Emitter of the FCG93A NPN transistor, sharing the emitter connection with pin 4. |
| 4 | E | passive | Emitter of the FCG93A NPN transistor, sharing the emitter connection with pin 3. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GUOXIN JIAPIN SEMICONDUCTOR |
| Package | SOT-143-4 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 4 |

## 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 (absolute maximum) | VCBO |  |  | 20 | V | TA=25℃ | 1 |
| Collector-emitter breakdown voltage (absolute maximum) | VCEO |  |  | 10 | V | TA=25℃ | 1 |
| Emitter-base breakdown voltage (absolute maximum) | VEBO |  |  | 2 | V | TA=25℃ | 1 |
| Collector current | IC |  |  | 35 | mA | TA=25℃ | 1 |
| Power dissipation | PC |  |  | 200 | mW | TA=25℃ | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Storage temperature | Tstg | -65 |  | 150 | ℃ |  | 1 |
| Collector-base breakdown voltage | VCBO | 20 |  |  | V | IC=1.0µA | 2 |
| Collector-base leakage current | ICBO |  |  | 0.1 | µA | VCB=10V | 2 |
| Emitter-base leakage current | IEBO |  |  | 0.1 | µA | VEB=1V | 2 |
| DC current gain | hFE | 90 | 150 | 250 |  | VCE=5V，IC=30mA | 2 |
| Transition frequency | fT |  | 6 |  | GHz | VCE=5V，IC=30mA,f=0.5GHz | 2 |
| Output feedback capacitance | Cre |  |  | 0.65 | pF | VCB=10V,IE=0mA,f=1MHz | 2 |
| Power gain | /S21e/2 |  | 14.5 |  | dB | VCE=8V,IC=30mA,f=1GHz | 2 |
| Noise figure | NF |  | 1.7 |  | dB | VCE=8V,IC=5mA,f=1GHz | 2 |

## CAD (KiCad official)

- Symbol: `FCG93A`
- Footprint: `Package_TO_SOT_SMD:SOT-143`
- 3D model: SOT-143-4 (KiCad packages3D, STEP)
- 3D model files: `fcg93a-etched.step` / `fcg93a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fcg93a.step` / `fcg93a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [GUOXIN JIAPIN SEMICONDUCTOR datasheet](docs/fcg93a-datasheet.pdf) (6 pp, sha256 `2076101dbfbda1fc`, retrieved 2026-11-05, 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-haiku-5-5` (text), consensus `claude-sonnet-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/fcg93a-datasheet.pdf)