# BDV64BG

**onsemi** · Darlington Transistors · TO-247-3

BDV64BG from onsemi, in a TO-247-3. 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 | passive | Base of the PNP Darlington transistor, with built-in base-emitter shunt resistors; IB max 0.5 Adc and VEB max 5.0 Vdc. |
| 2 | COLLECTOR | passive | Collector of the PNP Darlington transistor, connected to the mounting tab (pin 4); VCEO 100 Vdc, VCB 100 Vdc, IC 10 Adc continuous and 20 Adc peak. |
| 3 | EMITTER | passive | Emitter of the PNP Darlington transistor, with VEB max 5.0 Vdc relative to the base. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TO-247-3 |
| Category | Transistors |
| 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 Sustaining Voltage | VCEO(sus) | 100 |  |  | Vdc | IC = 30 mAdc, IB = 0 | 3 |
| DC Current Gain | hFE | 1000 |  |  | − | IC = 5.0 Adc, VCE = 4.0 Vdc | 3 |
| Collector-Emitter Saturation Voltage | VCE(sat) |  |  | 2 | Vdc | IC = 5.0 Adc, IB = 0.02 Adc | 3 |
| Base-Emitter Saturation Voltage | VBE(on) |  |  | 2.5 | Vdc | IC = 5.0 Adc, VCE = 4.0 Vdc | 3 |
| Collector Cutoff Current | ICEO |  |  | 1 | mAdc | VCE = 50 Vdc, IB = 0 | 3 |
| Collector Cutoff Current | ICBO |  |  | 0.4 | mAdc | VCB = 100 Vdc, IE = 0 | 3 |
| Collector Cutoff Current | ICBO |  |  | 2 | mAdc | VCB = 50 Vdc, IE = 0, TC = 150°C | 3 |
| Emitter Cutoff Current | IEBO |  |  | 5 | mAdc | VBE = 5.0 Vdc, IC = 0 | 3 |
| Collector-Emitter Voltage | VCEO |  |  | 100 | Vdc |  | 1 |
| Collector-Base Voltage | VCB |  |  | 100 | Vdc |  | 1 |
| Emitter-Base Voltage | VEB |  |  | 5 | Vdc |  | 1 |
| Collector Current - Continuous | IC |  |  | 10 | Adc | Continuous | 1 |
| Collector Current - Peak | IC |  |  | 20 | Adc | Peak | 1 |
| Base Current | IB |  |  | 0.5 | Adc |  | 1 |
| Total Device Dissipation | PD |  |  | 125 | W | TC = 25°C | 1 |
| Derate above 25°C | PD |  |  | 1 | W/°C | Derate above 25°C | 1 |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -65 |  | 150 | °C |  | 1 |
| Thermal Resistance, Junction-to-Case | RθJC |  |  | 1 | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `BDV64BG`
- Footprint: `Package_TO_SOT_THT:TO-247-3_Vertical`
- 3D model: TO-247-3 (KiCad packages3D, STEP)
- 3D model files: `bdv64bg-etched.step` / `bdv64bg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bdv64bg.step` / `bdv64bg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/bdv64b-d.pdf) (9 pp, sha256 `39fa923982888b12`, retrieved 2026-11-08, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/bdv64bg-datasheet.pdf)