# BC817-40 (Component) ## Description Bipolar Transistors BJT 45V 250mW 500mA NPN SOT-23(SOT-23-3) ## Component Details - **Owner:** jharwinbarrozo - **Created:** 4/4/2022 - **Last Updated:** 4/4/2022 - **Visibility:** Public - **Part Type:** Transistor - **Manufacturer Part Number:** BC817-40 - **Datasheet URL:** https://datasheet.lcsc.com/lcsc/1811061725_ST-Semtech-BC817-40_C85078.pdf - **Manufacturer Name:** ST SEMTECH - **Used in:** 190 projects - **Stars:** 1 ## 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/bc817-40/diotec-semiconductor-ag.html?utm_currency=USD&region=nac) | $0.15 | 1.2K | | [Digi-Key](https://www.digikey.com/en/products/detail/yangjie-technology/BC817-40/16733396) | N/A | N/A | | [HQonline](https://www.hqonline.com/product-detail/general-purpose-transistors-yangjie-bc817-40-2500362087) | $0.0125 | 938 | | [LCSC](https://www.lcsc.com/product-detail/bipolar-bjt_yfw-bc817-40_C5444011.html) | N/A | N/A | | [Mouser](https://www.mouser.com/ProductDetail/Taiwan-Semiconductor/BC817-40?qs=tHU%2FlV7kTyQqXrwc4uQ8jQ%3D%3D) | $0.11 | 0 | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=BC817-40-YAN) | $0.15 | 3K | | [Verical](https://www.verical.com/pd/diotec-semiconductor-ag-bjt---general-purpose-BC817-40-1843089?utm_currency=USD) | N/A | N/A | - **Part Type:** Transistors - **Sub-Type:** NPN - **Manufacturer:** STMicroelectronics - **MPN:** BC817-40 - **Package / Case Code:** SOT-23 - **Pin Count:** 3 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | E | | | 2 | B | | | 3 | C | | --- *Generated from [https://www.flux.ai/jharwinbarrozo/bc817-40~09](https://www.flux.ai/jharwinbarrozo/bc817-40~09)*