{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE91CAHA0G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5KE91CAHA0G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE91CAHA0G","factsUrl":"https://icboms.com/api/mcp/products/1.5KE91CAHA0G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor 1.5KE series bidirectional TVS diode, 1500 W peak pulse power, 77.8 V reverse standoff, 125 V clamping, DO-201AA axial, AEC-Q101 automotive grade.","salesMarkdown":"## 1.5 kW bidirectional transient suppressor for 77.8 V rails The 1.5KE91CAHA0G: The single bidirectional channel means a single device clamps both positive and negative surges — useful on AC-coupled or floating lines where polarity is not fixed. ## Automotive qualification and temperature envelope The DO-201AA (DO-27) axial-lead package is a through-hole form factor suited for point-of-entry protection on power feeds where board-space is not the constraint — the lead bend absorbs thermal cycling strain better than a surface-mount package.","metaTitle":"1.5KE91CAHA0G TVS Diode, 1.5 kW, 77.8 V Standoff, DO-201","metaDescription":"Taiwan Semiconductor 1.5KE91CAHA0G bidirectional TVS, 1500 W peak pulse, 77.8 V standoff, AEC-Q101 automotive grade. Active production, sourced per RFQ.","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":"1.5KE","Package":"Tape & Box (TB)","Applications":"-","Mounting Type":"Through Hole","Qualification":"AEC-Q101","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE91","Operating Temperature":"-55°C ~ 175°C (TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","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":"$0.5792","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a688563676897fea683fa9d5a5542f4e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE91CAHA0G/alternatives.json"},"ai":{"faq":[{"question":"What automotive qualification does 1.5KE91CAHA0G carry?","answer":"It is AEC-Q101 qualified, meaning it meets the automotive-grade stress and reliability requirements for semiconductor devices used in vehicle electronics."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE91CAHA0G","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/1.5KE91CAHA0G 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}}