{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE540C-B","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5KE540C-B","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5KE540C-B","factsUrl":"https://icboms.com/api/mcp/products/1.5KE540C-B","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse Inc. 1.5KE series, Type Zener, Bidirectional TVS Diode, 1.5KE540C-B, 1500W (1.5kW) Peak Pulse Power, 777V Clamping, DO-201AA/DO-27 Axial, Through Hole, Bulk.","salesMarkdown":"## 1.5kW bidirectional transient suppressor, now obsolete The 1.5KE540C-B: The single bidirectional channel protects against both positive and negative transients with a single device. ## Obsolete – sourcing through independent channels Littelfuse has marked the 1.5KE540C-B as Obsolete. For a BOM line that requires this exact clamping voltage and package, the independent supply chain is the only sourcing path. A board spin to a different package or a different TVS family is the alternative if the surplus channel cannot fill the quantity.","metaTitle":"Littelfuse 1.5KE540C-B TVS Diode, 1.5kW, 777V Clamp","metaDescription":"Littelfuse 1.5KE540C-B bidirectional Zener TVS, 1500W peak pulse power, 777V clamping, DO-201 package. Obsolete – sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Littelfuse Inc.","Type":"Zener","Series":"1.5KE","Package":"Bulk","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":"1.5KE","Operating Temperature":"-55°C ~ 175°C (TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Voltage - Breakdown (Min)":"486V","Voltage - Clamping (Max) @ Ipp":"777V","Voltage - Reverse Standoff (Typ)":"486V","Current - Peak Pulse (10/1000µs)":"2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/149eca2cbf10498ecc0c7eab912fe9f4.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE540C-B/alternatives.json"},"ai":{"faq":[{"question":"How can I get current pricing and availability for the 1.5KE540C-B?","answer":"Pricing and stock are confirmed at quote time through independent distribution. Submit an RFQ against your BOM quantity; availability is lot-specific and verified per request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5KE540C-B","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5KE540C-B 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}}