{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC540AHE3_A/H","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC540AHE3_A-H","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC540AHE3_A-H","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC540AHE3_A%2FH","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor, Automotive AEC-Q101 1.5SMC TransZorb® series, Zener TVS diode, 1.5SMC540AHE3_A/H, 1500W peak pulse, 740V clamp, DO-214AB SMC surface mount.","salesMarkdown":"## 1500 W peak pulse — what the clamp chain means for the board The 1.5SMC540AHE3_A/H: The 740 V clamp ceiling is the hard limit the TVS holds the transient to — downstream components rated for 800 V or higher survive the surge without avalanche breakdown themselves. ## AEC-Q101 and the -65 to 150 °C operating envelope The DO-214AB (SMC) package uses the same footprint as the standard SMCJ outline — the cathode band and pin 1 orientation match the industry-standard SMC land pattern, so a board laid out for a generic SMC TVS accepts this Vishay device without a pad revision.","metaTitle":"1.5SMC540AHE3_A/H Vishay TVS, 1500W, 740V Clamp, DO-214AB","metaDescription":"Vishay 1.5SMC540AHE3_A/H Zener TVS, 1500W peak power, 740V clamp, AEC-Q101 qualified. Obsolete — sourced to order against RFQ. DO-214AB (SMC) surface mount.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"Automotive, AEC-Q101, 1.5SMC, TransZorb®","Package":"Tape & Reel (TR); Cut Tape (CT)","Applications":"Automotive","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC540","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)":"513V","Voltage - Clamping (Max) @ Ipp":"740V","Voltage - Reverse Standoff (Typ)":"459V","Current - Peak Pulse (10/1000µs)":"2.03A"}},"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/1.5SMC540AHE3_A%2FH/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to 1.5SMC540AHE3_A/H in this Circuit Protection family?","answer":"Vishay does not publish a direct successor order code for this obsolete part. The DO-214AB (SMC) footprint is standard, so any current-production AEC-Q101 1500 W SMC TVS with a 459 V standoff and ~513 V breakdown is a functional drop-in candidate — confirm the clamp voltage and peak pulse current match the application's surge requirement before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC540AHE3_A-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/1.5SMC540AHE3_A-H when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T09:21:18.964Z","lastPublished":"2026-07-21T09:21:18.964Z","indexable":true}}