{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC20AT3G","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5SMC20AT3G","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5SMC20AT3G","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC20AT3G","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse Inc. 1.5SMC series Zener TVS diode, 1.5SMC20AT3G, 1500W peak pulse power, 27.7V clamping, 17.1V reverse standoff, DO-214AB SMC package, surface mount, unidirectional.","salesMarkdown":"## Protection envelope and board-fit The 1.5SMC20AT3G: A single unidirectional channel with a 17.1V reverse standoff voltage means it begins conducting above that DC level, clamping transients on signal or DC power rails that stay below 17.1V in normal operation. ## Sourcing an obsolete part Sourcing runs through independent distribution channels: sealed reels with consistent date-codes are available against an RFQ, with the lot condition and date-code spread confirmed at quote time.","metaTitle":"1.5SMC20AT3G Littelfuse TVS Diode, 1500W, DO-214AB","metaDescription":"Littelfuse 1.5SMC20AT3G Zener TVS diode, 1500W peak pulse power, 27.7V clamping, DO-214AB SMC. Obsolete — sourced to order. 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":"1.5SMC","Package":"Tape & Reel (TR); Cut Tape (CT)","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":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMC","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"19V","Voltage - Clamping (Max) @ Ipp":"27.7V","Voltage - Reverse Standoff (Typ)":"17.1V","Current - Peak Pulse (10/1000µs)":"54A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ea97bb520e37528ab309c554c0bb147d.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5SMC20AT3G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5SMC20AT3G 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}}