# 7490220121 (Component) ## Description 350µH LAN 10/100/1000 Base-T Pulse Transformer 1CT:1CT Transmitter, 1CT:1CT Receiver Surface Mount #commonpartslibrary #transformer ## Component Details - **Owner:** adrian95 - **Created:** 6/26/2025 - **Last Updated:** 6/26/2025 - **Visibility:** Public - **Manufacturer Part Number:** 7490220121 - **Datasheet URL:** https://componentsearchengine.com/Datasheets/1/7490220121.pdf - **Package or Case Code:** 7490220121 - **Manufacturer Name:** Wurth Elektronik - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Transformer - **Used in:** 3 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 | |------------|--------------------|-------| | [Mouser](https://www.mouser.com/en/ProductDetail/Wurth-Elektronik-Midcom/7490220121?qs=NSAOzM2zc%2FUJnoGlAr190Q%3D%3D) | $6.46 | 978 | - **Part Type:** Transformers - **Manufacturer:** Würth - **MPN:** 7490220121 - **Mount Type:** Surface Mount - **Package / Case Code:** Other - **Pin Count:** 24 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | TCT1 | | | 2 | TD1+ | | | 3 | TD1- | | | 4 | TCT2 | | | 5 | TD2+ | | | 6 | TD2- | | | 7 | TCT3 | | | 8 | TD3+ | | | 9 | TD3- | | | 10 | TCT4 | | | 11 | TD4+ | | | 12 | TD4- | | | 13 | MX4- | | | 14 | MX4+ | | | 15 | MCT4 | | | 16 | MX3- | | | 17 | MX3+ | | | 18 | MCT3 | | | 19 | MX2- | | | 20 | MX2+ | | | 21 | MCT_2 | | | 22 | MX1- | | | 23 | MX1+ | | | 24 | MCT1 | | --- *Generated from [https://www.flux.ai/adrian95/7490220121~ne2](https://www.flux.ai/adrian95/7490220121~ne2)*