{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC43CAHM3/H","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC43CAHM3-H","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43CAHM3-H","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC43CAHM3%2FH","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor, Automotive AEC-Q101, 1.5SMC TransZorb® series, bidirectional Zener TVS diode, 1500W peak pulse, 36.8V standoff, DO-214AB (SMC), Tape & Reel.","salesMarkdown":"The 1.5SMC43CAHM3/H: For a BOM cost engineer, the active status removes the single-source obsolescence panic that hits when a TVS goes NRND mid-production. The allocation risk here is purely market-driven — lead times stretch when automotive demand spikes, not because the line is shutting down. ## 1500W peak pulse — what the rating actually means Rated for 1500 W peak pulse power dissipation under the 10/1000 µs waveform — this is the industry-standard surge test for TVS diodes. The 25.3 A peak pulse current at that waveform tells you the diode can clamp a 59.3 V transient without exceeding its thermal limit. The 40.9 V minimum breakdown voltage is where avalanche conduction starts; the 59.3 V clamping voltage is the peak the protected circuit sees during the surge. ## Automotive AEC-Q101 — the reliability grade Qualified to AEC-Q101, the automotive discrete semiconductor stress-test standard. The TransZorb® series is Vishay's branded TVS platform, known for tight clamping ratio and low leakage. The bidirectional channel means a single device protects a signal pair or a differential bus — one part number covers both polarities of the transient. ## DO-214AB (SMC) — board-fit and sourcing The tape-and-reel delivery suits automated pick-and-place for high-volume automotive or telecom board assembly. Applications listed are Automotive and Telecom — both environments where repetitive surge events (load dump, lightning-induced transients on communication lines) demand a TVS with a 1500 W pulse rating and wide temperature margin.","metaTitle":"Vishay 1.5SMC43CAHM3/H TVS Diode, 1500W, DO-214AB","metaDescription":"Active Vishay 1.5SMC43CAHM3/H bidirectional Zener TVS, 1500W peak pulse, 36.8V standoff, AEC-Q101 automotive grade. Sourced to order against RFQ.","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","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMC)","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/1.5SMC43CAHM3%2FH/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC43CAHM3-H","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/1.5SMC43CAHM3-H 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}}