{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE300","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5KE300","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5KE300","factsUrl":"https://icboms.com/api/mcp/products/1.5KE300","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse 1.5KE series Zener TVS diode, 1.5KE300, 1500W peak pulse power, 256V reverse standoff, 434.7V clamping, DO-201AA axial, through hole.","salesMarkdown":"## 1.5 kW peak pulse, 256 V standoff — TVS for high-voltage DC rails The 1.5KE300: Its 256 V reverse standoff voltage and 434.7 V clamping point make it a fit for protecting 240 VDC bus lines or high-voltage telecom supplies from transients up to 3.7 A peak pulse current. The DO-201AA axial-lead package (DO-27) mounts through-hole, suited for point-of-entry protection on a PCB or terminal block. ## Obsolete — sourcing through independent channels The part is available through independent surplus and broker inventory; quantities and pricing are confirmed per RFQ.","metaTitle":"1.5KE300 Littelfuse TVS Diode, 1.5kW, 256V Standoff","metaDescription":"1.5KE300 Littelfuse Zener TVS, 1500W peak pulse, 256V standoff, 434.7V clamp. Obsolete — sourced to order. RFQ for availability.","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":"Tape & Reel (TR)","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","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"270V","Voltage - Clamping (Max) @ Ipp":"434.7V","Voltage - Reverse Standoff (Typ)":"256V","Current - Peak Pulse (10/1000µs)":"3.7A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f1ea870152ad203d90f672f2af1c1ed0.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE300/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5KE300","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5KE300 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}}