{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC6.8AHE3/57T","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC6.8AHE3-57T","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC6.8AHE3-57T","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC6.8AHE3%2F57T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay 1.5SMC6.8AHE3/57T unidirectional Zener TVS diode, 1500W peak pulse, 6.45V min breakdown, 10.5V clamping @ 143A, DO-214AB SMC surface-mount, AEC-Q101 automotive.","salesMarkdown":"## What the 1.5SMC series protects and why the voltage window matters The 1.5SMC6.8AHE3/57T is a unidirectional transient voltage suppressor in the Automotive, AEC-Q101, 1.5SMC, TransZorb® series. It clamps voltage spikes on a single protected rail, shunting the surge current away from whatever load sits behind it. The 6.45V minimum breakdown is the threshold where the device begins conducting — below it, the TVS stays off and leaks only nanoseconds of standby current. For a 5V rail, that 10.5V maximum is a reasonable margin above the rail — the protected IC must survive that clamping voltage at its pins, which is the pass/fail criterion for specifying this part in an automotive ECU. ## AEC-Q101 grade and the temperature envelope The AEC-Q101 qualification means this part passed the automotive stress tests — temperature cycling, humidity, surge, and electrical overstress — defined by the Automotive Electronics Council. It is not a commercial-grade part with an automotive datasheet; the wafer fabrication and screening flow are purpose-built for the under-hood environment. The TJ suffix is important — the 150°C ceiling is the junction, not the ambient, so the board thermal design determines how much headroom remains in a hot compartment. The base product number 1.5SMC6.8 points to the standard automotive series — any 1.5SMC6.8A variant in the same voltage grade is a candidate cross-reference, but the exact clamp voltage and peak current must be verified against the specific datasheet before substituting.","metaTitle":"Vishay 1.5SMC6.8AHE3/57T TVS Diode, 6.45V Zener, 1500W","metaDescription":"Active AEC-Q101 TVS diode, 1500W peak pulse, 6.45V min breakdown, 10.5V clamping. DO-214AB SMC SMD. 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":"Automotive, AEC-Q101, 1.5SMC, TransZorb®","Package":"Tape & Reel (TR)","Applications":"Automotive","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC6.8","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)":"6.45V","Voltage - Clamping (Max) @ Ipp":"10.5V","Voltage - Reverse Standoff (Typ)":"5.8V","Current - Peak Pulse (10/1000µs)":"143A"}},"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/1.5SMC6.8AHE3%2F57T/alternatives.json"},"ai":{"faq":[{"question":"What breakdown voltage and clamping performance does this TVS diode specify?","answer":"The reverse standoff typ is 5.8V, which sets the working voltage below the breakdown threshold."},{"question":"How is the 1.5SMC6.8AHE3/57T qualified for automotive use?","answer":"The series carries AEC-Q101 qualification, which means it passed the automotive electronics council stress-grade tests for discrete semiconductors. It is rated for junction temperatures from -65°C up to 150°C and is shipped on tape and reel for standard SMT line feed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC6.8AHE3-57T","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/1.5SMC6.8AHE3-57T 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}}