{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE51ARL4G","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5KE51ARL4G","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5KE51ARL4G","factsUrl":"https://icboms.com/api/mcp/products/1.5KE51ARL4G","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse Inc. Mosorb™ series, Zener TVS diode, 1.5KE51ARL4G, 1500W peak pulse power, 43.6V reverse standoff, DO-201AD axial, unidirectional.","salesMarkdown":"## 1.5 kW peak pulse — voltage parameters for 43.6 V rails The 1.5KE51ARL4G: The 43.6 V standoff means this device protects 48 V nominal DC buses and 36 V battery systems, clamping transients before they reach downstream silicon rated for 80 V or less. ## DO-201AD axial — wide temperature range Single unidirectional channel — the cathode band identifies the anode-to-ground orientation; reverse insertion places the junction in forward conduction and removes protection.","metaTitle":"1.5KE51ARL4G Littelfuse Mosorb Zener TVS, 1.5kW","metaDescription":"Littelfuse 1.5KE51ARL4G Mosorb Zener TVS diode, 1500W peak pulse, 43.6V standoff, DO-201AD 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":"Littelfuse Inc.","Type":"Zener","Series":"Mosorb™","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AD, Axial","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE","Operating Temperature":"-65°C~175°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"Axial","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"48.5V","Voltage - Clamping (Max) @ Ipp":"70.1V","Voltage - Reverse Standoff (Typ)":"43.6V","Current - Peak Pulse (10/1000µs)":"21.4A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b2bad05ac2a782d44789dbfb00c46ecc.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy 1.5KE51ARL4G and get a price?","answer":"This obsolete part is sourced through independent surplus and broker channels."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5KE51ARL4G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5KE51ARL4G 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}}