--- title: "Now in Stock: SI32280-A-FMR | Dual FXS ProSLIC® Device from Silicon Labs | Brand New, Fully Traceable, and Ready to Ship!" description: Discover the SI32280-A-FMR dual FXS ProSLIC device from Silicon Labs. Get brand new, traceable components with fast shipping and sustainable practices. image: https://www.componentsense.com/hubfs/SI32280-A-FMR%20(1).png --- [![Component Sens](https://www.componentsense.com/hubfs/complogo.svg "Component Sens")](https://www.componentsense.com/) - [Home](https://www.componentsense.com/) - [About Us](https://www.componentsense.com/experts-in-excess-electronic-components-about-component-sense/) Open the submenu - [Our Mission](https://www.componentsense.com/our-mission/) - [Our Team](https://www.componentsense.com/team-sections/) - [Careers](https://www.componentsense.com/careers/) - [Excess Stock Solutions](https://www.componentsense.com/sell-obsolete-excess-electronic-components/) Open the submenu - [InPlant™](https://www.componentsense.com/sell-excess-electronic-components-inplant/) - [Consignment](https://www.componentsense.com/sell-excess-electronic-components-consignment/) - [Outright Purchase](https://www.componentsense.com/sell-excess-electronic-components-quickly-outright-purchase/) - [Buy Components](https://www.componentsense.com/buy-electronic-components/) Open the submenu - [Buy Online](https://www.componentsense.com/buy-electronic-components-online/) - [BOM Matching Service](https://www.componentsense.com/buy-electronic-components-bom-matching-service/) - [Request a Quote](https://www.componentsense.com/buy-electronic-components-request-a-quote/) - [Resources](https://www.componentsense.com/resources/) Open the submenu - [Newsletter](https://connect.componentsense.com/newsletter-sign-up-form) - [Case Studies](https://connect.componentsense.com/corning-case-study) - [Blog](https://www.componentsense.com/blog) Open the submenu - [Inventory Management](https://www.componentsense.com/blog/tag/inventory-management) - [Sustainability](https://www.componentsense.com/blog/tag/sustainability) - [Procurement & Supply Chain](https://www.componentsense.com/blog/tag/procurement-supply-chain) - [Stock Updates](https://www.componentsense.com/blog/tag/stock-updates) - [Industry Trends](https://www.componentsense.com/blog/tag/industry-trends) - [Brand & Culture](https://www.componentsense.com/blog/tag/brand-culture) - [White Papers](https://connect.componentsense.com/ultimate-guide-to-a-sustainable-supply-chain) - [Contact Us](https://www.componentsense.com/contact-us/) [BUY ONLINE](https://www.componentsense.com/stock/) Search the blog - There are no suggestions because the search field is empty. [![Component Sense](https://www.componentsense.com/hs-fs/hubfs/CS%20Logo.png?width=2000&height=454&name=CS%20Logo.png "Component Sense")](https://www.componentsense.com/) [Stock Updates](https://www.componentsense.com/blog/tag/stock-updates) # Now in Stock: SI32280-A-FMR | Dual FXS ProSLIC® Device from Silicon Labs | Brand New, Fully Traceable, and Ready to Ship! ![Ash Arya](https://app.hubspot.com/settings/avatar/a109f367827b13ed7ee07e1cc02292e8) [Ash Arya](https://www.componentsense.com/blog/author/ash-arya) [Visit Component Sense on Twitter](https://x.com/ComponentSense) [Visit Component Sense on Facebook](https://www.facebook.com/componentsense/) [Visit Component Sense on LinkedIn](https://www.linkedin.com/company/component-sense/) ![](https://www.componentsense.com/hubfs/SI32280-A-FMR%20(1).png) The SI32280-A-FMR from Silicon Labs is a dual-channel ProSLIC® device designed for analog telephony interfaces in VoIP and communication systems. If you’re building voice-enabled systems and need consistent performance with efficient power handling, this is a strong option. [View the SI32280-A-FMR](https://www.componentsense.com/stock/824113/SI32280-A-FMR) This device integrates two complete FXS (foreign exchange station) channels in a single package, helping reduce board space while simplifying design. It also includes built-in DC-DC converter control and wideband audio support, making it well-suited for modern voice applications where performance and efficiency matter. Here’s what you’re getting with this part. **Key Features of the SI32280-A-FMR** **A dual FXS device designed for telephony systems ** It integrates two complete FXS channels into a single package, helping reduce component count and simplify system design. **It supports wideband voice for better audio quality** It enables quick routing and filtering decisions, helping improve overall system performance. **It has built-in dc-dc converter control** It automatically generates the required battery voltage for different line states, improving efficiency and reducing heat. **It is designed for low power consumption** Optimised to minimise power usage while maintaining stable and reliable performance. **It includes integrated diagnostics and testing features** Built-in DSP and monitoring capabilities help with system testing and troubleshooting. **It supports flexible digital interfaces** Compatible with PCM, SPI, and ISI interfaces, making integration easier across different system designs. ## **Applications of the** **SI32280-A-FMR** This part is typically used in: - VoIP gateways and routers - xDSL integrated access devices (IADs) - Optical network terminals (ONT/ONU) - Analog terminal adapters (ATA) - Private branch exchange (PBX) systems - Wireless and broadband communication equipment ### FAQ: Why Source the SI32280-A-FMR from Component Sense? Here are the most common questions procurement teams ask when sourcing the Silicon Labs SI32280-A-FMR: ###### Are the components brand new and fully traceable? Yes. All our stock is brand new, unused, and fully traceable back to tier-one OEM or EMS partners. We don’t deal in refurbished parts. ###### How does Component Sense ensure the authenticity of its components? Every component undergoes our inspection process, developed in collaboration with leading Scottish universities. We guarantee form, fit, and function, and include a 12-month warranty. ###### Do you stock other components? We hold over $1 billion worth of excess and obsolete inventory, updated regularly so you can source parts quickly and keep production moving. Our inventory is available for browsing **[here.](https://www.componentsense.com/buy-electronic-components-online/) **   ###### How quickly can you ship the SI32280-A-FMR? This part ships from the UK, with same-day dispatch available. We also aim to provide quotes within an hour and maintain an on-time delivery rate of 95%+.   ###### Does Component Sense support sustainable purchasing? Yes. By redistributing excess components, we help reduce electronic waste and extend product lifecycles. For Earth Day this April, we’re also planting 10 trees for every order placed this month. ###### Why should I source the SI32280-A-FMR from Component Sense? Because you get traceable, reliable components quickly, without the usual sourcing risk. When you need the SI32280-A-FMR, we make the process seamless: we only carry trusted inventory, we guarantee fast delivery, and by purchasing brand-new excess parts, you are sourcing sustainably.   [Purchase the SI32280-A-FMR](https://www.componentsense.com/stock/824113/SI32280-A-FMR)   [![Component Sense](https://www.componentsense.com/hubfs/complogo.svg)](https://www.componentsense.com/) Save money. Save tomorrow. Follow us on LinkedIn Follow us on Instagram Follow us on X Follow us on Facebook Follow us on YouTube ### Information - [FAQ](https://www.componentsense.com/f-a-q/) - [Careers](https://www.componentsense.com/careers/) - [Privacy Policy](https://www.componentsense.com/privacy/) - [Cookie Policy](https://www.componentsense.com/cookie-policy/) - [Refund policy](https://www.componentsense.com/refund-policy/) - [Quality policy](https://www.componentsense.com/quality-policy/) - [Terms and Conditions](https://www.componentsense.com/terms-and-conditions/) ### Buy Components - [Buy Online](https://www.componentsense.com/buy-electronic-components-online/) - [BOM Matching](https://www.componentsense.com/buy-electronic-components-bom-matching-service/) - [Request a Quote](https://www.componentsense.com/buy-electronic-components-request-a-quote/) ### Services We Offer - [InPlant™](https://www.componentsense.com/sell-excess-electronic-components-inplant/) - [Consignment](https://www.componentsense.com/sell-excess-electronic-components-consignment/) - [Outright Purchase](https://www.componentsense.com/sell-excess-electronic-components-quickly-outright-purchase/) ### Newsletter ![AS 9120 certification badge](https://www.componentsense.com/hubfs/9120.png) ![ASACB certification badge](https://www.componentsense.com/hubfs/asacb.png) ![ISO 9001 certification badge](https://www.componentsense.com/hubfs/90001-1.png) **VAT:** GB 975 3633 86 **EORI:** GB975363386000 **Registration:** SC360076 Unit 1, R6 Queen Anne Drive Newbridge Edinburgh EH28 8LH United Kingdom ©2026 Component Sense ![](https://px.ads.linkedin.com/collect/?pid=6322673&fmt=gif) ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Ash Arya", "url" : "https://www.componentsense.com/blog/author/ash-arya" }, "dateModified" : "2026-05-05T08:00:00.299Z", "datePublished" : "2026-05-05T08:00:00.000Z", "headline" : "Now in Stock: SI32280-A-FMR | Dual FXS ProSLIC® Device from Silicon Labs | Brand New, Fully Traceable, and Ready to Ship!", "image" : [ "https://www.componentsense.com/hubfs/SI32280-A-FMR%20(1).png" ], "mainEntityOfPage" : { "@id" : "https://www.componentsense.com/blog/si32280-a-fmr", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://www.componentsense.com/hubfs/CS%20Logo-1.png" }, "name" : "Component Sense" } } ``` ```json { "@context" : "https://schema.org", "@id" : "https://www.componentsense.com/#organization", "@type" : "Organization", "address" : { "@type" : "PostalAddress", "addressCountry" : "GB", "addressLocality" : "Newbridge", "addressRegion" : "Edinburgh", "postalCode" : "EH28 8LH", "streetAddress" : "Unit 1, R6 Queen Anne Drive" }, "contactPoint" : [ { "@type" : "ContactPoint", "areaServed" : "GB", "contactType" : "sales", "telephone" : "+44 345 643 2003" }, { "@type" : "ContactPoint", "areaServed" : "US", "contactType" : "sales", "telephone" : "+1 800 792 9604" }, { "@type" : "ContactPoint", "areaServed" : "Worldwide", "contactType" : "sales", "telephone" : "+44 1506 668 505" } ], "logo" : "https://www.componentsense.com/hubfs/complogo.svg", "name" : "Component Sense", "sameAs" : [ "https://www.facebook.com/componentsense", "https://x.com/componentsense", "https://www.linkedin.com/company/component-sense/", "https://www.instagram.com/componentsense/", "https://www.youtube.com/@ComponentSense/", "https://find-and-update.company-information.service.gov.uk/company/SC360076", "https://www.wikidata.org/wiki/Q135899466", "https://www.greatplacetowork.co.uk/certified-company/1574045" ], "telephone" : "+44 345 643 2003", "url" : "https://www.componentsense.com/", "vatID" : "GB975363386" } ```