# BD909 (Component)

## Description

15A, Silicon Power NPN Transistors, TO\-220
NPN
1=B 2=C 3=E
Power NPN Transistor
TO?220\* 

## Component Details

- **Owner:** kicad\-part\-library
- **Created:** 10/28/2026
- **Last Updated:** 10/28/2026
- **Visibility:** Public
- **Standard Symbol:** NPN Transistor
- **Datasheet URL:** http://www\.st\.com/internet/com/TECHNICAL\_RESOURCES/TECHNICAL\_LITERATURE/DATASHEET/CD00001277\.pdf
- **Manufacturer Part Number:** BD909
- **Package or Case Code:** TO\-220\-3\_Vertical
- **Part Type:** Transistor
- **Manufacturer Name:** STMicroelectronics

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [LCSC](https://www.lcsc.com/product-detail/C2907606.html) | $0\.4629 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/STMicroelectronics/BD909?qs=QUuoqGqE2XXfNs0lk4ClOQ%253D%253D) | N/A | N/A |

- **Part Type:** Transistors
- **Sub-Type:** NPN
- **Manufacturer:** STMicroelectronics
- **MPN:** BD909
- **Package / Case Code:** 220\-TO
- **Pin Count:** 3
- **Continuous Drain Current:** 15A
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | B | Input |
| 2 | C | Passive |
| 3 | E | Passive |

---

*Generated from [https://flux\.ai/kicad\-part\-library/bd909\~f1a](https://flux.ai/kicad-part-library/bd909~f1a)*