{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC91CA M6G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5SMC91CA-M6G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC91CA-M6G","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC91CA%20M6G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor Corporation 1.5SMC91CA M6G, bidirectional Zener TVS diode, 1500W peak pulse, 77.8V standoff, 86.5V breakdown, 125V clamping @ 12.6A, DO-214AB SMC surface-mount package.","salesMarkdown":"The 1.5SMC91CA M6G is a bidirectional Zener-based TVS (Transient Voltage Suppressor) diode in the DO-214AB (SMC) package — designed to clamp voltage spikes on a protected rail before they damage downstream circuitry. The 1500W peak pulse rating (10/1000 µs waveform) is the figure that sets this part apart from lower-power TVS families: it survives a single-event transient delivering 12.6A through the device without degradation, clamping the voltage to 125V maximum at that current. ## Clamping voltage and standoff — the two specs that decide fit The reverse standoff voltage of 77.8V typ means the TVS sits inactive during normal operation, drawing only leakage current. When a transient pushes the rail above the 86.5V minimum breakdown, the device avalanche-clamps and conducts the surge current to ground, holding the clamping voltage at 125V maximum. For a 77.8V rail, the 1.5× ratio between standoff and clamping ceiling gives a reasonable margin above the normal operating voltage — the protected node sees at most 125V during a 10/1000 µs event, well below what most downstream ICs can tolerate. The single bidirectional channel means this part protects a single polarity — both directions are symmetric. If you need to protect two independent rails, you need two devices.","metaTitle":"1.5SMC91CA M6G TVS Diode, 125V Clamping, 1.5kW","metaDescription":"Bidirectional Zener TVS diode, 1500W peak pulse, 125V clamping @ 12.6A, DO-214AB SMC package. Active production — quoted to order on RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Taiwan Semiconductor Corporation","Type":"Zener","Series":"1.5SMC","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","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":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC91CA%20M6G/alternatives.json"},"ai":{"faq":[{"question":"What series does the 1.5SMC91CA M6G belong to?","answer":"It is part of the 1.5SMC series from Taiwan Semiconductor Corporation, a surface-mount TVS diode family in the DO-214AB (SMC) package. The base product number is 1.5SMC91, with the CA suffix denoting the bidirectional polarity and M6G the voltage/tolerance grade."},{"question":"What is the key difference between this TVS and a standard Zener?","answer":"A standard Zener is designed to regulate at its breakdown voltage during steady-state operation. The 86.5V minimum breakdown and 125V clamping ceiling are the operating points that matter for protection design, not regulation accuracy."},{"question":"How do I get current pricing and availability for 1.5SMC91CA M6G?","answer":"Quoted to order against an RFQ through independent distribution."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC91CA-M6G","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/1.5SMC91CA-M6G 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}}