# TIP121 (Component) ## Description Bipolar (BJT) Transistor NPN - Darlington 80 V 5 A 4MHz 65 W Through Hole TO-220-3 #CommonPartsLibrary #Transistors #Bipolar(BJT) #NPN #Darlington #SingleBipolarTransistors ## Component Details - **Owner:** jecstronic - **Created:** 6/3/2022 - **Last Updated:** 8/7/2023 - **Visibility:** Public - **Part Type:** Transistor - **Datasheet URL:** https://www.nteinc.com/specs/original/TIP121.pdf - **Manufacturer Part Number:** TIP121 - **Manufacturer Name:** NTE Electronics, Inc - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 4 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/tip121/stmicroelectronics.html?utm_currency=USD&region=nac) | $0.2285 | 27K | | [Digi-Key](https://www.digikey.com/en/products/detail/nte-electronics-inc/TIP121/11656116) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C2907696.html) | $0.5555 | 0 | | [Mouser](https://www.mouser.com/en/ProductDetail/STMicroelectronics/TIP121?qs=ljbEvF4DwOPnYIfr1ThkRg%3D%3D) | $1.08 | 3K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=TIP121-LGE) | $1.47 | 1.1K | | [Verical](https://www.verical.com/pd/stmicroelectronics-bjt---darlington-TIP121-30778?utm_currency=USD) | N/A | N/A | - **Part Type:** Transistors - **Sub-Type:** NPN - **MPN:** TIP121 - **Mount Type:** Through Hole - **Package / Case Code:** 220-TO - **Pin Count:** 3 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | B | | | 2 | C | | | 3 | E | | --- *Generated from [https://www.flux.ai/jecstronic/tip121~azp](https://www.flux.ai/jecstronic/tip121~azp)*