{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ51A","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ51A","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ51A","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ51A","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor 1.5SMCJ51A unidirectional TVS Zener, 51V reverse standoff, 56.7V minimum breakdown, 82.4V clamping, 18.2A peak pulse, 1500W peak pulse power, -50°C to 150°C junction temp, DO-214AB SMC surface-mount, strip packaging.","salesMarkdown":"## What the standoff and clamping ratings mean The 1.5SMCJ51A is a unidirectional TVS Zener diode in the DO-214AB (SMC) package — it clamps transient voltage spikes to protect downstream circuitry on rails up to 51 V nominal. This is not a continuous rating; the diode handles brief, high-energy transients and resets. The 18.2 A peak pulse current flows through the clamping path during the event — the 82.4 V clamping voltage at that current is the stress the protected load sees. ## Junction temperature range and assembly fit Junction temperature range is -50°C to 150°C — the upper bound gives thermal headroom for layouts with limited copper pour or in enclosed equipment. The DO-214AB (SMC) package is the industry-standard surface-mount TVS footprint; it picks and places with standard tooling and reflows with a conventional SnPb or lead-free profile. Strip packaging is confirmed — verify reel or cut-tape availability at RFQ.","metaTitle":"Diotec 1.5SMCJ51A TVS Diode, 51V Standoff, 1.5kW Peak","metaDescription":"Diotec 1.5SMCJ51A unidirectional TVS Zener, 51V standoff, 82.4V clamping, 1500W peak pulse. Active production. Available to order on RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Diotec Semiconductor","Type":"Zener","Series":"-","Packaging":"Strip","Part Status":"Active","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Operating Temperature":"-50°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMC)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"56.7V","Voltage - Clamping (Max) @ Ipp":"82.4V","Voltage - Reverse Standoff (Typ)":"51V","Current - Peak Pulse (10/1000µs)":"18.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9158","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/01145f0f8259fe3e96a1c23446f6a0b9.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMCJ51A/alternatives.json"},"ai":{"faq":[{"question":"What type of device is the 1.5SMCJ51A?","answer":"The 1.5SMCJ51A is a unidirectional Zener-based TVS (Transient Voltage Suppressor) diode, listed for general-purpose circuit protection applications. It is not a power line protection device — its primary function is clamping transients on signal or power rails up to 51 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ51A","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ51A when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}