# BFP 183 E7764

**Infineon Technologies** · Bipolar (BJT) · SOT-143

BFP 183 E7764 from Infineon Technologies, in a SOT-143. 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 lead; the maximum ratings give VCEO 12 V, VCES 20 V, VCBO 20 V and collector current IC 65 mA, and TS is measured on this lead at the soldering point. |
| 2 | E | passive | Emitter lead; the maximum emitter-base voltage VEBO is 2 V. |
| 3 | B | passive | Base lead; the maximum base current IB is 5 mA. |
| 4 | E | passive | Emitter lead; the maximum emitter-base voltage VEBO is 2 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | SOT-143 |
| Category | Transistors/Thyristors |
| 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-emitter breakdown voltage | V(BR)CEO | 12 |  |  | V | IC = 1 mA, IB = 0 | 2 |
| DC current gain | hFE | 70 | 100 | 140 | - | IC = 15 mA, VCE = 8 V, pulse measured | 2 |
| Transition frequency | fT | 6 | 8 |  | GHz | IC = 25 mA, VCE = 8 V, f = 500 MHz | 3 |
| Collector-emitter cutoff current | ICES |  |  | 100 | µA | VCE = 20 V, VBE = 0 | 2 |
| Collector-base cutoff current | ICBO |  |  | 100 | nA | VCB = 10 V, IE = 0 | 2 |
| Emitter-base cutoff current | IEBO |  |  | 1 | µA | VEB = 1 V, IC = 0 | 2 |
| Collector-base capacitance | Ccb |  | 0.3 | 0.5 | pF | VCB = 10 V, f = 1 MHz, VBE = 0, emitter grounded | 3 |
| Collector-emitter voltage (maximum rating) | VCEO |  |  | 12 | V |  | 1 |
| Collector-emitter voltage (maximum rating) | VCES |  |  | 20 | V |  | 1 |
| Collector-base voltage (maximum rating) | VCBO |  |  | 20 | V |  | 1 |
| Emitter-base voltage (maximum rating) | VEBO |  |  | 2 | V |  | 1 |
| Collector current (maximum rating) | IC |  |  | 65 | mA |  | 1 |
| Base current (maximum rating) | IB |  |  | 5 |  |  | 1 |
| Total power dissipation | Ptot |  |  | 250 | mW | TS ≤ 76 °C | 1 |
| Junction temperature | TJ |  |  | 150 | °C |  | 1 |
| Storage temperature | TStg | -55 |  | 150 | °C |  | 1 |
| Thermal resistance, junction - soldering point | RthJS |  | 295 |  | K/W | TS measured on collector lead at soldering point to PCB | 1 |

## CAD (KiCad official)

- Symbol: `BFP 183 E7764`
- Footprint: `Package_TO_SOT_SMD:SOT-143`
- 3D model: SOT-143 (KiCad packages3D, STEP)
- 3D model files: `bfp-183-e7764-etched.step` / `bfp-183-e7764-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bfp-183-e7764.step` / `bfp-183-e7764.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Infineon Technologies datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912380272762880) (6 pp, sha256 `381ea26887e695e7`, retrieved 2026-10-17, tier: lcsc)
- **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/bfp-183-e7764-datasheet.pdf)