{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC91CAHM6G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5SMC91CAHM6G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC91CAHM6G","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC91CAHM6G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor 1.5SMC91CAHM6G, bidirectional Zener TVS, 1500W peak pulse, 77.8V standoff, 125V clamping @ 12.6A, AEC-Q101 automotive, DO-214AB SMC, Tape & Reel.","salesMarkdown":"## What the 1.5SMC91CAHM6G protects and why the 1500W rating decides the fit At that pulse width, 1500W defines how much surge energy the device absorbs before the clamping voltage (125 V maximum at 12.6 A peak) is exceeded. A lower-rated TVS on the same rail clamps harder and may not survive the first event. The standoff voltage of 77.8 V typ means the TVS sits invisible to the rail during normal operation — it does not conduct until the transient pushes the line above standoff. The protection window runs from 77.8 V up to the 86.5 V minimum breakdown, then into clamping at 125 V. For a 48 V automotive rail (transient limits per ISO 7637-2), this gives enough headroom: normal operating transients stay below standoff, and genuine load-dump events are clamped within the 125 V ceiling. An industrial-grade TVS without AEC-Q101 may share the voltage rating but carries no automotive qualification flow. The DO-214AB (SMC) package with its thermal pad and surface-mount form factor suits high-current automotive PCB layouts — the exposed die-attach pad and wide cathode tab carry the surge current away from the junction. Reflow profile tolerance follows standard lead-free assembly; the 150°C Tj ceiling leaves margin against the reflow peak. ## Sourcing posture and BOM planning The 1.5SMC91CAHM6G is listed Active by Taiwan Semiconductor Corporation. The Tape & Reel packaging aligns with standard automotive assembly reels — confirm reel orientation and peel-angle requirements against your pick-and-place feeder spec before committing to a second source.","metaTitle":"1.5SMC91CAHM6G Zener TVS Diode, 125V Clamping, 12.6A Peak","metaDescription":"1.5SMC91CAHM6G bidirectional TVS diode, 1500W peak pulse, 77.8V standoff, 125V clamping at 12.6A. AEC-Q101 automotive grade, DO-214AB SMC package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Taiwan Semiconductor Corporation","Type":"Zener","Grade":"Automotive","Series":"1.5SMC","Package":"Tape & Reel (TR)","Applications":"-","Mounting Type":"Surface Mount","Qualification":"AEC-Q101","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC91","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMC)","Voltage - Breakdown (Min)":"86.5V","Voltage - Clamping (Max) @ Ipp":"125V","Voltage - Reverse Standoff (Typ)":"77.8V","Current - Peak Pulse (10/1000µs)":"12.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2184","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC91CAHM6G/alternatives.json"},"ai":{"faq":[{"question":"How do I get pricing and availability for the 1.5SMC91CAHM6G?","answer":"Availability and current lead time are confirmed at RFQ — the part ships on Tape & Reel per the standard package listing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC91CAHM6G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/taiwan-semiconductor-corporation/1.5SMC91CAHM6G 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}}