{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE18HE3/73","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE18HE3-73","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE18HE3-73","factsUrl":"https://icboms.com/api/mcp/products/1.5KE18HE3%2F73","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 TransZorb® Zener TVS, 1.5KE18HE3/73, 1500W peak pulse, 14.5V standoff, DO-201AA axial, Tape & Box.","salesMarkdown":"The 1.5KE18HE3/73: It clamps a 14.5 V nominal rail at 26.5 V during a 56.6 A, 10/1000 µs surge, absorbing 1500 W peak pulse power. ## Lifecycle reality — obsolete, but sourced Vishay lists this part as obsolete.","metaTitle":"1.5KE18HE3/73 Vishay Zener TVS, 1500W, DO-201AA, Obsolete","metaDescription":"1.5KE18HE3/73 Vishay Zener TVS diode, 1500W peak pulse, 14.5V standoff, AEC-Q101, DO-201AA axial. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"Automotive, AEC-Q101, TransZorb®","Package":"Tape & Box (TB)","Applications":"Automotive","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE18","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"1.5KE","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"16.2V","Voltage - Clamping (Max) @ Ipp":"26.5V","Voltage - Reverse Standoff (Typ)":"14.5V","Current - Peak Pulse (10/1000µs)":"56.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cbd949ebcf4c95d5b4ea8fdecf87536f.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE18HE3%2F73/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to 1.5KE18HE3/73?","answer":"A functionally equivalent TVS in the same DO-201AA package with a 14.5 V standoff and 1500 W rating would need to be evaluated per the application's clamping and breakdown voltage requirements."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE18HE3-73","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/1.5KE18HE3-73 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}