{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE47C-B","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5KE47C-B","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5KE47C-B","factsUrl":"https://icboms.com/api/mcp/products/1.5KE47C-B","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse Inc. 1.5KE series bidirectional TVS diode, Zener type, 1.5KE47C-B, 1500W peak pulse, 40.2V reverse standoff, DO-201AA / DO-27 axial package, bulk.","salesMarkdown":"## 1500W bidirectional transient suppressor — DO-201 axial The 1.5KE47C-B: Reverse standoff voltage is 40.2V typical, with a minimum breakdown of 42.35V and maximum clamping at 68.04V when conducting 23.5A peak pulse current. Housed in a DO-201AA / DO-27 axial-lead package (supplier device package DO-201), through-hole mounted, bulk packaging. ## Obsolete — sourcing through independent channels No pin-compatible drop-in replacement exists from Littelfuse — a BOM review is required if migrating to an active part. No power line protection feature — this is a standard TVS diode for signal and low-voltage DC rail clamping, not for AC mains or high-energy transients.","metaTitle":"Littelfuse 1.5KE47C-B TVS Diode, 1500W, 40.2V Standoff","metaDescription":"Littelfuse 1.5KE47C-B bidirectional TVS diode, 1500W peak pulse, 40.2V standoff, DO-201 axial package. Obsolete — sourced to order against RFQ. Request a quote.","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)":"42.35V","Voltage - Clamping (Max) @ Ipp":"68.04V","Voltage - Reverse Standoff (Typ)":"40.2V","Current - Peak Pulse (10/1000µs)":"23.5A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/149eca2cbf10498ecc0c7eab912fe9f4.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE47C-B/alternatives.json"},"ai":{"faq":[{"question":"How can I source the 1.5KE47C-B or check availability?","answer":"This part is obsolete per Littelfuse. Request a quote for your BOM quantity."},{"question":"Is the 1.5KE47C-B a unidirectional or bidirectional device?","answer":"It is a single-channel bidirectional Zener TVS diode — clamping is symmetrical for both positive and negative transients, which simplifies board layout when the protected line swings above and below ground."},{"question":"What package does the 1.5KE47C-B use?","answer":"Through-hole DO-201AA / DO-27 axial package (supplier device package DO-201). The axial leads suit point-to-point wiring or through-hole PCB mounting with a 0.4-inch lead spacing typical for this body size."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5KE47C-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/1.5KE47C-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}}