{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ54CA","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ54CA","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ54CA","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ54CA","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor, Zener TVS diode, 1.5SMCJ54CA, bidirectional, 54V standoff, 1500W peak pulse, 17.2A peak pulse current, DO-214AB SMC package, surface mount, strip.","salesMarkdown":"## What the 1.5SMCJ54CA is and how it protects a circuit The 1.5SMCJ54CA is a bidirectional Zener TVS (Transient Voltage Suppressor) diode in the DO-214AB (SMC) surface-mount package — the industry-standard footprint for board-level transient protection on power and signal lines. Bidirectional means it clamps both polarities of a voltage spike, making it the right choice for AC rails or any node where the line can swing above and below ground. Rated 54V standoff with a clamping ceiling of 87.1V at the peak pulse current, it shunts surge energy away from whatever load sits behind it. The 1500W peak pulse rating (1.5kW, 10/1000 µs waveform) tells you it survives a single-shot surge event of that magnitude without degradation — this is the headline number procurement and design teams use to match the part against the surge threat level in IEC 61000-4-5 or similar transients. At 17.2A peak pulse current the clamping voltage stays within the 87.1V ceiling, so the downstream IC or power stage sees a bounded overvoltage rather than an open-circuit spike. ## Junction temperature and the -50°C to 150°C operating window The junction operating range spans -50°C to 150°C (TJ), giving headroom in equipment that sees wide ambient swings — industrial enclosures without active cooling, or outdoor enclosures baking in direct sun. The upper limit is a TJ limit, so the actual ambient temperature your board can reach before derating depends on the thermal resistance from junction to ambient in your layout and airflow — the strip packaging and SMC package thermal pad geometry set that, not the diode itself.","metaTitle":"1.5SMCJ54CA Zener TVS Diode, 1500W Peak, 54V Standoff","metaDescription":"Diotec 1.5SMCJ54CA bidirectional Zener TVS diode, 1500W peak pulse, 54V standoff, 87.1V clamping. Active production — quoted to order against BOM 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":"-","Package":"Strip","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Operating Temperature":"-50°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMC/DO-214AB","Voltage - Breakdown (Min)":"60V","Voltage - Clamping (Max) @ Ipp":"87.1V","Voltage - Reverse Standoff (Typ)":"54V","Current - Peak Pulse (10/1000µs)":"17.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8068","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3fb0502b23c3703cafef426b7b2bf7e5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMCJ54CA/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ54CA","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ54CA 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}}