# BD139G (Component)
## Description
Bipolar Transistors - BJT
BD139G
TO-225-3_L7.6-W2.8-P2.54-L
LCSC Part Number: C233736
JLCPCB Part Class: Extended Part
Manufactured by onsemi(安森美)
## Component Details
- **Owner:** lcsc
- **Created:** 10/31/2024
- **Last Updated:** 4/28/2025
- **Visibility:** Public
- **Product Info Url:** https://lcsc.com/product-detail/Others_ON-Semicon_BD139G_ON-Semicon-ON-BD139G_C233736.html
- **Manufacturer Part Number:** BD139G
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010333_onsemi-BD139G_C233736.pdf
- **Part Type:** Bipolar Transistors - BJT
- **JLCPCB Part Class:** Extended Part
- **Package or Case Code:** TO-225-3_L7.6-W2.8-P2.54-L
- **LCSC Part Number:** C233736
- **Manufacturer Name:** onsemi(安森美)
- **Used in:** 79 projects
## 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/bd139g/on-semiconductor.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/onsemi/BD139G/918364) | $1.10 | 12K |
| [HQonline](https://www.hqonline.com/product-detail/general-purpose-transistors-on-bd139g-1002695146) | $0.859 | 586 |
| [LCSC](https://www.lcsc.com/product-detail/C233736.html) | $0.8496 | 509 |
| [Mouser](https://www.mouser.com/ProductDetail/onsemi/BD139G?qs=vNc2DXHODiLIqGggNMT6cg%3D%3D) | $1.39 | 2.9K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=BD139G) | $1.97 | 500 |
| [Verical](https://www.verical.com/pd/on-semiconductor-bjt---general-purpose-BD139G-111520?utm_currency=USD) | N/A | N/A |
- **Part Type:** Transistors
- **Sub-Type:** BJT
- **Manufacturer:** ON Semiconductor
- **MPN:** BD139G
- **Mount Type:** PCB
- **Package / Case Code:** TO
- **Pin Count:** 3
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | E | |
| 2 | C | |
| 3 | B | |
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*Generated from [https://www.flux.ai/lcsc/bd139g~tyx1](https://www.flux.ai/lcsc/bd139g~tyx1)*