{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE20HE3/73","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE20HE3-73","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE20HE3-73","factsUrl":"https://icboms.com/api/mcp/products/1.5KE20HE3%2F73","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 TransZorb, TVS Zener, 1.5KE20HE3/73, 1500W, 16.2V Standoff, 29.1V Clamp, DO-201AA Axial, Through Hole.","salesMarkdown":"## What the 1500 W peak-pulse rating means for the BOM The 1.5KE20HE3/73: The 29.1 V clamping voltage is the ceiling a downstream 24 V bus or 28 V tolerant input sees during a surge — if the protected device's abs-max rating sits below that, the TVS alone does not guarantee survival without additional series impedance. ## Automotive grade and deployment envelope The DO-201AA axial-lead through-hole package (also known as DO-27) is a standard footprint for 1.5 kW TVS diodes — the lead bend and board-mount hole pattern are consistent across the 1.5KE series, so a replacement from the same family drops into the same PCB layout without a board spin.","metaTitle":"1.5KE20HE3/73 Vishay TVS, 1500W, 16.2V Standoff, DO-201AA","metaDescription":"1.5KE20HE3/73 Vishay TransZorb TVS, 1500W peak pulse, 16.2V reverse standoff, 29.1V clamp, AEC-Q101. 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":"1.5KE20","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"1.5KE","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"18V","Voltage - Clamping (Max) @ Ipp":"29.1V","Voltage - Reverse Standoff (Typ)":"16.2V","Current - Peak Pulse (10/1000µs)":"51.5A"}},"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/1.5KE20HE3%2F73/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE20HE3-73","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/1.5KE20HE3-73 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}}