# MJD122T4 (Component) ## Description Darlington Transistors MJD122T4 TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW LCSC Part Number: C138774 JLCPCB Part Class: Extended Part Manufactured by ST(意法半导体) ## Component Details - **Owner:** lcsc - **Created:** 11/2/2024 - **Last Updated:** 4/23/2025 - **Visibility:** Public - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-MJD122T4_C138774.pdf - **Manufacturer Part Number:** MJD122T4 - **LCSC Part Number:** C138774 - **Product Info Url:** https://lcsc.com/product-detail/Darlington-Transistors_STMicroelectronics_MJD122T4_MJD122T4_C138774.html - **Package or Case Code:** TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW - **Manufacturer Name:** ST(意法半导体) - **JLCPCB Part Class:** Extended Part - **Part Type:** Darlington Transistors - **Used in:** 1 project ## 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/mjd122t4/stmicroelectronics.html?utm_currency=USD&region=europe) | $0.2291 | 2.4K | | [LCSC](https://www.lcsc.com/product-detail/C138774.html) | N/A | N/A | | [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/MJD122T4?qs=sEK9FFFUU9Xprb2fx56KMw%3D%3D) | $1.22 | 17K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=MJD122T4) | $1.087 | 2.5K | | [Verical](https://www.verical.com/pd/stmicroelectronics-bjt---darlington-MJD122T4-118307?utm_currency=USD) | N/A | N/A | - **Part Type:** Transistors - **Sub-Type:** Darlington - **Manufacturer:** STMicroelectronics - **MPN:** MJD122T4 - **Mount Type:** PCB - **Package / Case Code:** 252-TO - **Pin Count:** 3 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | B | | | 2 | C | | | 3 | E | | --- *Generated from [https://www.flux.ai/lcsc/mjd122t4~qmos](https://www.flux.ai/lcsc/mjd122t4~qmos)*