{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SM6T56AY","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"SM6T56AY","canonicalUrl":"https://icboms.com/stmicroelectronics/SM6T56AY","factsUrl":"https://icboms.com/api/mcp/products/SM6T56AY","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics SM6T56AY, Automotive AEC-Q101 TRANSIL™ TVS, 600W peak pulse power, 53.2V breakdown, 100V clamping, DO-214AA SMB, -55°C to 150°C.","salesMarkdown":"The STMicroelectronics SM6T56AY is a 600 W peak pulse power TVS diode from the automotive-grade SM6TY TRANSIL™ series, qualified to AEC-Q101. It is a unidirectional Zener-type transient suppressor in a surface-mount DO-214AA (SMB) package, designed to clamp fast overvoltage transients on 47.6 V nominal supply rails. The 53.2 V minimum breakdown voltage and 100 V maximum clamping voltage define the protection window for a 40 A (8/20 µs) peak pulse current. ## AEC-Q101 qualification and active lifecycle ## Clamping voltage and protection window When a transient exceeds the 53.2 V minimum breakdown voltage, the diode avalanches and clamps the voltage to a maximum of 100 V at the rated 40 A peak pulse current (8/20 µs waveform). This 100 V clamp is the voltage the downstream circuitry must survive; a 60 V-rated DC-DC converter or 80 V-rated load switch would need additional margin or a lower-clamp part. ## Package and footprint for DO-214AA SMB The SM6T56AY is supplied in a DO-214AA (SMB) package, a standard surface-mount outline for TVS diodes rated to 600 W. The SMB footprint is shared across the SM6TY series, so a layout designed for one breakdown voltage can accept any voltage variant in the family without board revision.","metaTitle":"STMicroelectronics SM6T56AY TVS Diode, 600W, AEC-Q101","metaDescription":"STMicroelectronics SM6T56AY automotive TVS diode, 600W peak pulse power, 53.2V breakdown, AEC-Q101 qualified.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"STMicroelectronics","Type":"Zener","Series":"Automotive, AEC-Q101, SM6TY, TRANSIL™","Package":"Tape & Reel (TR); Cut Tape (CT)","Applications":"Automotive","Mounting Type":"Surface Mount","Package / Case":"DO-214AA, SMB","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"600W","Base Product Number":"SM6T56","Operating Temperature":"-55°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMB (DO-214AA)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"53.2V","Voltage - Clamping (Max) @ Ipp":"100V","Voltage - Reverse Standoff (Typ)":"47.6V","Current - Peak Pulse (10/1000µs)":"40A (8/20µs)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.7100","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3a95ac6513bab2f04fd61565540cbe6f.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SM6T56AY/alternatives.json"},"ai":{"faq":[{"question":"Is the SM6T56AY AEC-Q101 qualified for automotive use?","answer":"Yes, the SM6T56AY is part of the Automotive, AEC-Q101 qualified SM6TY TRANSIL™ series, making it suitable for automotive electronic systems requiring a qualified transient suppressor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/SM6T56AY","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/SM6T56AY 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}}