{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC43A-E3/9AT","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC43A-E3-9AT","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43A-E3-9AT","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC43A-E3%2F9AT","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor 1.5SMC, TransZorb® series, Zener TVS diode, 1.5SMC43A-/9AT, 1500W peak pulse power, 36.8V reverse standoff, 59.3V clamping, DO-214AB (SMC), Tape & Reel.","salesMarkdown":"## Active production — BOM-fit for a 36.8 V rail The 1.5SMC43A-E3/9AT: The single unidirectional channel means the cathode band must face the protected rail — reverse polarity installs the diode in forward conduction and defeats the protection. ## Voltage thresholds that define the protection window A 36 V rail with 10 % tolerance sits at 39.6 V — inside the breakdown window but below the clamping ceiling, so the diode starts conducting near the rail's upper tolerance and clamps the transient before it reaches 60 V.","metaTitle":"Vishay 1.5SMC43A-E3/9AT TVS, 1.5kW, 36.8V Standoff, DO-214AB","metaDescription":"Active Vishay 1.5SMC43A-E3/9AT Zener TVS diode, 1500W peak pulse power, 36.8V reverse standoff, 59.3V clamping, DO-214AB. Sourced 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":"1.5SMC, TransZorb®","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Active","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 (SMCJ)","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":"$0.2266","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/de7dd597f6fdc3f56660f78f3e5a960d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC43A-E3%2F9AT/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation does Vishay provide for 1.5SMC43A-/9AT?","answer":"The - suffix in the order code indicates Vishay's lead-free / RoHS-compliant termination finish. Full RoHS, REACH, and material declaration certificates are available from Vishay's documentation portal under the base product number 1.5SMC43."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43A-E3-9AT","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/1.5SMC43A-E3-9AT 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}}