{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STEF12SPUR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STEF12SPUR","canonicalUrl":"https://icboms.com/stmicroelectronics/STEF12SPUR","factsUrl":"https://icboms.com/api/mcp/products/STEF12SPUR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STEF12SPUR Electronic Fuse, 3.5 A, 10 V ~ 13.8 V input, Surface Mount, 10-VFDFN Exposed Pad, -40°C ~ 125°C.","salesMarkdown":"## 3.5 A electronic fuse for 12 V rails The STMicroelectronics STEF12SPUR is an electronic fuse designed to protect a 12 V line, rated for a continuous output current of 3.5 A. Its input voltage range of 10 V to 13.8 V covers the nominal 12 V supply with margin for transients, while the -40°C to 125°C junction temperature rating suits it for industrial and automotive environments where the ambient temperature inside the enclosure can climb well above 85°C.","metaTitle":"STMicroelectronics STEF12SPUR Electronic Fuse, 3.5A","metaDescription":"Active STMicroelectronics STEF12SPUR electronic fuse for 12V lines. 3.5A output, 10V-13.8V input, -40°C to 125°C, 10-DFN package. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Electronic Fuse","Mounting Type":"Surface Mount","Package / Case":"10-VFDFN Exposed Pad","Voltage - Input":"10V ~ 13.8V","lifecycle_stage":"eol_hot","Current - Output":"3.5A","Operating Temperature":"-40°C ~ 125°C (TJ)","Supplier Device Package":"10-DFN (3x3)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.79","priceTiers":[{"qty":1,"price":"$1.79000","currency":"USD"},{"qty":10,"price":"$1.60600","currency":"USD"},{"qty":25,"price":"$1.51520","currency":"USD"},{"qty":100,"price":"$1.29100","currency":"USD"},{"qty":250,"price":"$1.21220","currency":"USD"},{"qty":500,"price":"$1.06068","currency":"USD"},{"qty":1000,"price":"$1.00065","currency":"USD"},{"qty":3000,"price":"$1.00065","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/ee8ff44dace9e939e1657eaaf6554b76.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STEF12SPUR/alternatives.json"},"ai":{"faq":[{"question":"What is the STEF12SPUR used for?","answer":"It is an electronic fuse for a 12 V line, providing overcurrent protection with a 3.5 A continuous output rating. It replaces a traditional fuse or PTC in applications where fast, resettable protection is needed."},{"question":"Will the STEF12SPUR drop into a board designed for the STEF12PUR?","answer":"The STEF12PUR has a similar 3.6 A output and the same package type, but its input voltage range is 7.6 V versus the STEF12SPUR's 10 V to 13.8 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STEF12SPUR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STEF12SPUR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}