# custom reed (Component) ## Description Glass Body Reed Switch SPST-NO 12 ~ 18AT Operate Range 10W 350mA (AC), 500mA (DC) 140 V STD mount #CommonPartsLibrary #Switch #reed #SMD #Magnetic ## Component Details - **Owner:** projazzka - **Created:** 1/29/2024 - **Last Updated:** 11/12/2025 - **Visibility:** Public - **Part Type:** Switch - **Datasheet URL:** https://www.littelfuse.com/media?resourcetype=datasheets&itemid=a42b08e0-1fdf-4815-8489-0dbae6f9e547&filename=littelfuse-reed-switches-mdsm-4-datasheet - **Manufacturer Name:** Littelfuse Inc. - **Manufacturer Part Number:** MDSM-4R-12-18 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 187 projects - **Stars:** 1 - **Forks:** 4 ## 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/mdsm-4r-12-18/littelfuse.html?utm_currency=USD&region=europe) | $0.7342 | 5.4K | | [Digi-Key](https://www.digikey.com/en/products/detail/littelfuse-inc/MDSM-4R-12-18/475807) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C3715913.html) | $1.806 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Littelfuse/MDSM-4R-12-18?qs=nyo4TFax6NeuFOer0%2FvGlw%3D%3D) | $1.42 | 463 | | [Verical](https://www.verical.com/pd/littelfuse-reed-MDSM-4R-12-18-422080?utm_currency=USD) | N/A | N/A | - **Part Type:** Electromechanical Components - **Manufacturer:** Littelfuse - **MPN:** MDSM-4R-12-18 - **Mount Type:** Surface Mount - **Pin Count:** 2 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | ~ | | | 2 | ~ | | --- *Generated from [https://www.flux.ai/projazzka/custom-reed](https://www.flux.ai/projazzka/custom-reed)*