{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC47AHE3/9AT","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC47AHE3-9AT","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC47AHE3-9AT","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC47AHE3%2F9AT","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor, Automotive AEC-Q101, 1.5SMC TransZorb series, Zener TVS diode, 1.5SMC47AHE3/9AT, 1500W peak pulse, 40.2V standoff, 64.8V clamp, DO-214AB SMC surface mount.","salesMarkdown":"## DO-214AB TVS for 40V automotive rails The 1.5SMC47AHE3/9AT: It clamps at 64.8V max when hit with a 23.1A surge, protecting downstream electronics on 40.2V nominal rails. DO-214AB (SMC) surface-mount package — standard footprint for automated pick-and-place, mates with the same land pattern as the supplier device package DO-214AB (SMCJ). ## AEC-Q101 and the TransZorb clamping window AEC-Q101 qualification means this part passes automotive-grade reliability stress: temperature cycling, high-temperature reverse bias, and ESD immunity per the automotive discrete semiconductor standard. The breakdown voltage window (44.7V min) sits 4.5V above the 40.2V standoff — this 11% margin ensures the TVS doesn't conduct during normal 40V rail ripple while still clamping fast on a transient. Power line protection is not specified (no), so it's designed for signal or low-impedance DC bus clamping, not AC mains. Lifecycle status is active — Vishay continues to manufacture this part.","metaTitle":"Vishay 1.5SMC47AHE3/9AT TVS, 1500W, 64.8V Clamp, DO-214AB","metaDescription":"Vishay 1.5SMC47AHE3/9AT Zener TVS, 1500W peak pulse, 40.2V standoff, 64.8V clamp, AEC-Q101, DO-214AB. Active production, available to order.","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","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC47","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"44.7V","Voltage - Clamping (Max) @ Ipp":"64.8V","Voltage - Reverse Standoff (Typ)":"40.2V","Current - Peak Pulse (10/1000µs)":"23.1A"}},"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/1.5SMC47AHE3%2F9AT/alternatives.json"},"ai":{"faq":[{"question":"What automotive qualification does 1.5SMC47AHE3/9AT carry?","answer":"AEC-Q101 qualified, part of the Automotive, AEC-Q101, 1.5SMC, TransZorb series. This covers the discrete semiconductor qualification for automotive applications — temperature, humidity, bias, and ESD stress testing per the AEC-Q101 standard."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC47AHE3-9AT","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/1.5SMC47AHE3-9AT 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}}