{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC400","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5SMC400","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5SMC400","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC400","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse Inc. 1.5SMC series Zener TVS diode, 1.5SMC400, 342V reverse standoff, 575.4V clamp, 1500W peak pulse power, DO-214AB (SMC) surface mount, Tape & Reel.","salesMarkdown":"The 1.5SMC400 is listed as Obsolete by Littelfuse Inc. ## Zener TVS parametrics and clamp performance The clamping voltage at peak pulse current is 575.4V max, limiting the transient seen by the protected circuit. This power rating is the key selection parameter — it determines the maximum transient energy the diode can absorb without failure. Delivered on Tape & Reel (TR), consistent with automated pick-and-place assembly.","metaTitle":"Littelfuse 1.5SMC400 TVS Diode, 342V Standoff, DO-214AB","metaDescription":"Littelfuse 1.5SMC400 Zener TVS diode, 342V reverse standoff, 575.4V clamp, 1500W peak pulse power.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Littelfuse Inc.","Type":"Zener","Series":"1.5SMC","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"360V","Voltage - Clamping (Max) @ Ipp":"575.4V","Voltage - Reverse Standoff (Typ)":"342V","Current - Peak Pulse (10/1000µs)":"2.8A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8500","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4a8a4359c4139865ec4feb6a6da8698b.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC400/alternatives.json"},"ai":{"faq":[{"question":"What is the 1.5SMC400's reverse standoff and clamping voltage?","answer":"The reverse standoff voltage is 342V typical, with a minimum breakdown of 360V. Maximum clamping at peak pulse current is 575.4V."},{"question":"What package does the 1.5SMC400 use?","answer":"Delivery is on Tape & Reel."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5SMC400","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5SMC400 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T09:05:36.449Z","lastPublished":"2026-07-21T09:05:36.449Z","indexable":true}}