{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC43AHM3/I","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC43AHM3-I","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43AHM3-I","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC43AHM3%2FI","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 1.5SMC TransZorb® series, Zener TVS diode, 1.5SMC43AHM3/I, 1500W peak pulse power, 36.8V standoff, DO-214AB (SMC) package, Tape & Reel.","salesMarkdown":"The Vishay 1.5SMC43AHM3/I is a Zener-type transient voltage suppressor (TVS) diode from the 1.5SMC series, part of the TransZorb® family. It is qualified to AEC-Q101, the automotive-grade discrete semiconductor reliability standard, meaning it has passed the temperature cycling, high-temperature reverse bias, and ESD sensitivity tests required for under-hood and chassis-domain electronics. The reverse standoff voltage is 36.8 V, and breakdown occurs between 40.9 V minimum — this window defines the protection threshold for a 36 V nominal rail. ## Package, temperature, and deployment The wide temperature range suits it for engine-bay and exterior automotive modules where ambient heat soaks above 105°C are routine. The series is listed for automotive and telecom applications — the AEC-Q101 qualification and 1500 W surge capability make it a fit for 12 V/24 V vehicle battery-line protection, as well as telecom line cards that must survive lightning-induced transients per GR-1089.","metaTitle":"Vishay 1.5SMC43AHM3/I TVS Diode, 1500W, DO-214AB","metaDescription":"Active Vishay 1.5SMC43AHM3/I Zener TVS, 1500W peak pulse, 36.8V standoff, AEC-Q101 qualified. Sourced to order; RFQ for current pricing and lead time.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"Automotive, AEC-Q101, 1.5SMC, TransZorb®","Package":"Tape & Reel (TR)","Applications":"Automotive, Telecom","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC43","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMC)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"40.9V","Voltage - Clamping (Max) @ Ipp":"59.3V","Voltage - Reverse Standoff (Typ)":"36.8V","Current - Peak Pulse (10/1000µs)":"25.3A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/de7dd597f6fdc3f56660f78f3e5a960d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC43AHM3%2FI/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to 1.5SMC43AHM3/I in this Circuit Protection family?","answer":"Any 1.5SMC43 variant with the same package and AEC-Q101 qualification is a functional equivalent — confirm the specific suffix for polarity (unidirectional vs bidirectional) and packaging (tape vs bulk) before substituting."},{"question":"What compliance documentation does Vishay provide for 1.5SMC43AHM3/I?","answer":"The device is AEC-Q101 qualified. Vishay typically provides RoHS compliance and REACH SVHC declarations for this series; the specific documentation set (UL recognition, IEC 61000-4-5 test report) is available on request at RFQ time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43AHM3-I","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43AHM3-I 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}}