{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC51C","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5SMC51C","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5SMC51C","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC51C","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse Inc. 1.5SMC series bidirectional Zener TVS diode, 1.5SMC51C, 1500W peak pulse power, 43.6V standoff, 73.61V clamp, DO-214AB (SMC) surface mount package.","salesMarkdown":"## EOL — sourcing the 1.5SMC51C through independent channels For BOM lines that still call out this order code, the available path is the independent surplus and excess-inventory channel. The 1500 W peak pulse power rating (10/1000 µs waveform) is the device's energy-handling capacity — it tells you how much transient energy the diode can absorb without failing. For a 43.6 V standoff rail, the clamping voltage at 21.7 A peak pulse current is 73.61 V, which means the protected circuitry must survive that voltage spike. The minimum breakdown voltage is 45.95 V, so the rail must stay below that in normal operation. ## Package and temperature fit for a rework bench Supplied on tape and reel, it is ready for pick-and-place assembly in a reflow process. No power line protection feature is built in — this is a general-purpose transient suppressor, not a dedicated AC mains protector.","metaTitle":"Littelfuse 1.5SMC51C Zener TVS, 1500W, DO-214AB","metaDescription":"Obsolete Littelfuse 1.5SMC51C bidirectional Zener TVS diode. 1500W peak pulse power, 43.6V standoff, 73.61V clamp. DO-214AB SMC package.","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","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Voltage - Breakdown (Min)":"45.95V","Voltage - Clamping (Max) @ Ipp":"73.61V","Voltage - Reverse Standoff (Typ)":"43.6V","Current - Peak Pulse (10/1000µs)":"21.7A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/118f1b70ec0f0941665a20e5472af60a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC51C/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5SMC51C","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5SMC51C when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T09:18:55.814Z","lastPublished":"2026-07-21T09:18:55.814Z","indexable":true}}