# BD678 (Component)
## Description
Darlington Transistors
BD678
SOT-32_L7.6-W2.7-P2.29-R
LCSC Part Number: C2927580
JLCPCB Part Class: Extended Part
Manufactured by ST(意法半导体)
## Component Details
- **Owner:** lcsc
- **Created:** 3/17/2026
- **Last Updated:** 3/17/2026
- **Visibility:** Public
- **Manufacturer Part Number:** BD678
- **Manufacturer Name:** ST(意法半导体)
- **LCSC Part Number:** C2927580
- **Part Type:** Darlington Transistors
- **Package or Case Code:** SOT-32_L7.6-W2.7-P2.29-R
- **JLCPCB Part Class:** Extended Part
- **Used in:** 1 project
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/bd678/stmicroelectronics.html?utm_currency=USD®ion=nac) | $0.9642 | 92K |
| [LCSC](https://www.lcsc.com/product-detail/C2927580.html) | $0.482 | 712 |
| [Mouser](https://www.mouser.com/en/ProductDetail/onsemi/BD678?qs=vNc2DXHODiLSnlRH%252Bjs73g%3D%3D) | $1.09 | 2.6K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=BD678) | $1.019 | 50 |
| [Verical](https://www.verical.com/pd/stmicroelectronics-bjt---darlington-BD678-66005?utm_currency=USD) | N/A | N/A |
- **Part Type:** Transistors
- **Sub-Type:** Darlington
- **Manufacturer:** STMicroelectronics
- **MPN:** BD678
- **Mount Type:** PCB
- **Package / Case Code:** SOT
- **Pin Count:** 3
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | 1 | |
| 3 | E | |
| C | 2 | |
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*Generated from [https://www.flux.ai/lcsc/bd678~yn42](https://www.flux.ai/lcsc/bd678~yn42)*