{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC170CAHM3/I","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC170CAHM3-I","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC170CAHM3-I","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC170CAHM3%2FI","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor, Automotive AEC-Q101, 1.5SMC TransZorb® series, bidirectional TVS diode, 1500W peak pulse power, 145V reverse standoff, DO-214AB SMC package.","salesMarkdown":"## What the 1500W rating means for your protection design The 1.5SMC170CAHM3/I: That 1500W rating tells you the device can absorb a single 1ms surge up to that power level without failing — but the clamping voltage is what actually protects your downstream circuitry. For a 24V or 48V automotive bus, that 234V clamp is well within the typical 60V absolute maximum of downstream DC-DC converters and transceivers. ## Automotive qualification and deployment context The -65°C to +150°C junction temperature range covers under-hood and engine-bay thermal profiles — a 125°C ambient under the hood still leaves 25°C of margin before the junction limit. The DO-214AB (SMC) package is a surface-mount footprint common in automotive ECU and telecom line-card designs. Vishay lists this part for Automotive and Telecom applications — the 1500W pulse capability suits it for load-dump protection on 12V and 24V vehicle power rails, as well as secondary surge protection on telecom line cards where the primary protector has already taken the bulk of the energy. ## Sourcing and lifecycle reality The base product number is 1.5SMC170, and the full suffix HM3/I indicates the AEC-Q101 qualified, halogen-free, RoHS-compliant variant.","metaTitle":"1.5SMC170CAHM3/I TVS Diode, 1500W, Bidirectional, DO-214AB","metaDescription":"Vishay 1.5SMC170CAHM3/I bidirectional TVS diode, 1500W peak pulse power, 145V standoff, AEC-Q101 qualified. 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, Telecom","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC170","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)":"162V","Voltage - Clamping (Max) @ Ipp":"234V","Voltage - Reverse Standoff (Typ)":"145V","Current - Peak Pulse (10/1000µs)":"6.4A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/de7dd597f6fdc3f56660f78f3e5a960d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How do I get current pricing and availability for 1.5SMC170CAHM3/I?","answer":"Pricing and stock levels are confirmed at quote time against your specific BOM quantity. Submit an RFQ through this listing and our sourcing team will return a current price and lead time from Vishay's authorized distribution network."},{"question":"What is the closest pin-compatible alternative to 1.5SMC170CAHM3/I in this Circuit Protection family?","answer":"The 1.5SMC series from Vishay includes other voltage variants in the same DO-214AB package, but the breakdown voltage and clamping characteristics differ. For a drop-in replacement, stick with the exact 1.5SMC170CAHM3/I order code."},{"question":"What is 1.5SMC170CAHM3/I's listed type (Zener) on this Circuit Protection line?","answer":"The device type is Zener — specifically a bidirectional Zener TVS diode. It uses the Zener breakdown mechanism to clamp transients in both directions, with a breakdown voltage range starting at 162V minimum."},{"question":"What compliance documentation does Vishay General Semiconductor - Diodes Division provide for 1.5SMC170CAHM3/I (RoHS, REACH, UL, IEC)?","answer":"The HM3/I suffix indicates this is Vishay's AEC-Q101 qualified, halogen-free, RoHS-compliant variant. Vishay provides a declaration of RoHS compliance and AEC-Q101 qualification documentation upon request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC170CAHM3-I","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/1.5SMC170CAHM3-I 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}}