# BC557BTA (Component) ## Description Bipolar Transistors - BJT BC557BTA TO-92-3_L4.8-W3.7-P2.54-L LCSC Part Number: C512874 JLCPCB Part Class: Extended Part Manufactured by onsemi(安森美) ## Component Details - **Owner:** lcsc - **Created:** 10/30/2024 - **Last Updated:** 4/22/2025 - **Visibility:** Public - **LCSC Part Number:** C512874 - **Package or Case Code:** TO-92-3_L4.8-W3.7-P2.54-L - **Product Info Url:** https://lcsc.com/product-detail/Transistors-NPN-PNP_ON-Semiconductor-ON-BC557BTA_C512874.html - **Manufacturer Name:** onsemi(安森美) - **Manufacturer Part Number:** BC557BTA - **Part Type:** Bipolar Transistors - BJT - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2005190934_onsemi-BC557BTA_C512874.pdf - **JLCPCB Part Class:** Extended Part - **Used in:** 14 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/bc557bta/on-semiconductor.html?utm_currency=USD&region=nac) | $0.2628 | 157 | | [Digi-Key](https://www.digikey.com/en/products/detail/onsemi/BC557BTA/975575) | $0.18 | 1.4K | | [LCSC](https://www.lcsc.com/product-detail/C512874.html) | N/A | N/A | | [Mouser](https://www.mouser.com/ProductDetail/onsemi/BC557BTA?qs=Lnpu0ExxCB4xDNL%2Fw990%2FQ%3D%3D) | $0.27 | 22K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=BC557BTA) | $0.38 | 2K | | [Verical](https://www.verical.com/pd/aptina-imaging-bjt---general-purpose-BC557BTA-7708392) | N/A | N/A | - **Part Type:** Transistors - **Sub-Type:** BJT - **Manufacturer:** ON Semiconductor - **MPN:** BC557BTA - **Mount Type:** PCB - **Package / Case Code:** 92-TO - **Pin Count:** 3 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | C | | | 2 | B | | | 3 | E | | --- *Generated from [https://www.flux.ai/lcsc/bc557bta](https://www.flux.ai/lcsc/bc557bta)*