{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE400C-E3/73","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE400C-E3-73","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE400C-E3-73","factsUrl":"https://icboms.com/api/mcp/products/1.5KE400C-E3%2F73","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division TransZorb® TVS, Type Zener, Bidirectional, 1.5KE400C-/73, 1500W Peak Pulse, 324V Standoff, DO-201AA Axial.","salesMarkdown":"## 1500 W bidirectional TVS for high-voltage rail clamping The 1.5KE400C-E3/73: The Vishay 1.5KE400C-/73 is a bidirectional TransZorb® transient voltage suppressor (TVS) diode, not a standard Zener regulator — its job is to clamp fast overvoltage transients, not to provide a stable reference. The reverse standoff voltage is 324 V typical, meaning the part does not conduct appreciably below that level. This 250 V window between standoff and clamp defines the protection margin for the downstream circuitry. ## Obsolete — sourcing through independent channels For existing BOM lines or repair stock, the part is available through independent surplus and broker distribution. ## Wide temperature range and through-hole mounting The junction temperature range spans -55°C to 175°C, covering military and industrial thermal environments. The DO-201AA (DO-27) axial-lead package is a through-hole part — it mounts into a 1.0 mm diameter hole on a standard PCB or terminal strip, and the lead spacing is typically 0.3 to 0.4 inches.","metaTitle":"1.5KE400C-E3/73 Vishay TransZorb TVS, 1500W, 324V Standoff","metaDescription":"Vishay 1.5KE400C-E3/73 TransZorb bidirectional TVS diode, 1500W peak pulse, 324V standoff, DO-201AA. 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":"TransZorb®","Package":"Tape & Box (TB)","Applications":"General Purpose","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":"1.5KE400","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"1.5KE","Voltage - Breakdown (Min)":"360V","Voltage - Clamping (Max) @ Ipp":"574V","Voltage - Reverse Standoff (Typ)":"324V","Current - Peak Pulse (10/1000µs)":"2.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cbd949ebcf4c95d5b4ea8fdecf87536f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does 1.5KE400C-/73 come in?","answer":"It is supplied in a DO-201AA (DO-27) axial-lead through-hole package. The part is shipped in Tape & Box (TB) format."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE400C-E3-73","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/1.5KE400C-E3-73 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}}