# BAS21 (Component) ## Description Switching Diode BAS21 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR LCSC Part Number: C545538 JLCPCB Part Class: Extended Part Manufactured by UMW(友台半导体) ## Component Details - **Owner:** lcsc - **Created:** 10/30/2024 - **Last Updated:** 4/29/2025 - **Visibility:** Public - **Product Info Url:** https://lcsc.com/product-detail/Switching-Diode_UMW-Youtai-Semiconductor-Co-Ltd-BAS21_C545538.html - **Manufacturer Name:** UMW(友台半导体) - **LCSC Part Number:** C545538 - **Part Type:** Switching Diode - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2311091736_UMW-Youtai-Semiconductor-Co---Ltd--BAS21_C545538.pdf - **Manufacturer Part Number:** BAS21 - **JLCPCB Part Class:** Extended Part - **Package or Case Code:** SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR ## 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/bas21/diotec-semiconductor-ag.html?utm_currency=USD&region=asia) | $0.1155 | 3K | | [HQonline](https://www.hqonline.com/product-detail/switching-diodes-on-bas21-1019908184) | $0.00855 | 880 | | [LCSC](https://www.lcsc.com/product-detail/C181108.html) | N/A | N/A | | [Mouser](https://www.mouser.com/ProductDetail/Rectron/BAS21?qs=czMaLmirWrTskhVJ6jFt%2FA%3D%3D) | $0.10 | 0 | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=BAS21-DIO) | N/A | N/A | | [Verical](https://www.verical.com/pd/diotec-semiconductor-ag-rectifier-BAS21-1829896?utm_currency=USD) | N/A | N/A | - **Part Type:** Diodes - **Sub-Type:** Other - **Manufacturer:** UMW - **MPN:** BAS21 - **Mount Type:** PCB - **Package / Case Code:** SOT-23 - **Pin Count:** 3 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | A | | | 2 | 2 | | | 3 | C | | --- *Generated from [https://www.flux.ai/lcsc/bas21~4ylk](https://www.flux.ai/lcsc/bas21~4ylk)*