{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC440AHM3_A/H","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC440AHM3_A-H","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC440AHM3_A-H","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC440AHM3_A%2FH","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division 1.5SMC440AHM3_A/H, Automotive AEC-Q101, TransZorb® Zener TVS, 1500W peak pulse, 376V standoff, 602V clamping, DO-214AB SMC, Tape & Reel.","salesMarkdown":"## 1500 W surge clamp for 376 V rails The 1.5SMC440AHM3_A/H: With a 376 V reverse standoff voltage and 418 V minimum breakdown, it clamps transients to 602 V maximum at 2.5 A peak pulse current, protecting downstream silicon on 380 VDC or 277 VAC rails from lightning-induced surges and inductive load dumps. ## Automotive grade and operating envelope AEC-Q101 qualification means this part meets the automotive stress tests for temperature cycling, high-temperature reverse bias, and ESD robustness — suitable for under-hood and chassis-mounted ECU power inputs, battery management systems, and 48 V mild-hybrid bus protection. ## DO-214AB SMC package and board fit No power line protection (unidirectional only); the single-channel Zener structure responds in picoseconds to avalanche breakdown. ## Active lifecycle and supply posture The base product number 1.5SMC440 covers the full family; the HM3 suffix denotes the AEC-Q101 automotive grade and the A/H tape-and-reel packaging variant.","metaTitle":"1.5SMC440AHM3_A/H Vishay TVS, 1500W, DO-214AB, AEC-Q101","metaDescription":"Vishay 1.5SMC440AHM3_A/H Zener TVS diode, 1500W peak pulse, 376V standoff, 602V clamping, DO-214AB SMC package, AEC-Q101 automotive qualified.","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":"1.5SMC440","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)":"418V","Voltage - Clamping (Max) @ Ipp":"602V","Voltage - Reverse Standoff (Typ)":"376V","Current - Peak Pulse (10/1000µs)":"2.5A"}},"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/1.5SMC440AHM3_A%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/1.5SMC440AHM3_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/1.5SMC440AHM3_A-H when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}