{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ13A-AQ","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ13A-AQ","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ13A-AQ","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ13A-AQ","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor 1.5SMCJ13A-AQ unidirectional TVS Zener, 13V reverse standoff, 14.4V min breakdown, 21.5V clamping @ 69.8A peak pulse, 1500W, -50°C to 150°C TJ, DO-214AB (SMC) surface mount, Automotive.","salesMarkdown":"## Diode specifications and clamping performance The 1.5SMCJ13A-AQ is a unidirectional TVS Zener — a single-polarity transient voltage suppressor that clamps the protected rail when a surge exceeds its 14.4 V minimum breakdown threshold. The 13 V reverse standoff rating is the working voltage — the rail sits below both the standoff and the breakdown knee under normal operation, drawing only leakage current. With a 150 °C maximum junction temperature and a −50 °C low end, the operating range covers engine-bay ambient dips and hot soak conditions — this is the full automotive junction band. ## Automotive 12V rail transient protection The 13 V standoff places this part squarely in 12V automotive battery rail protection — it covers load dump, reverse polarity surge, and inductive clamp events defined in ISO 7637-2 without exceeding the clamping ceiling on a compliant 12V supply. Surface-mount DO-214AB (SMC) package picks up heat through the cathode tab directly into the PCB copper plane — thermal land design matters for sustained transient events; the TJ limit is 150 °C, not the ambient.","metaTitle":"1.5SMCJ13A-AQ TVS Diode, 1500W Peak, 13V Standoff","metaDescription":"Diotec 1.5SMCJ13A-AQ unidirectional TVS Zener, 13V standoff, 21.5V clamping @ 69.8A, 1500W peak pulse, AEC-qualified. Active — quoted to order.","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":"Automotive","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","Capacitance @ Frequency":"-","Supplier Device Package":"SMC/DO-214AB","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"14.4V","Voltage - Clamping (Max) @ Ipp":"21.5V","Voltage - Reverse Standoff (Typ)":"13V","Current - Peak Pulse (10/1000µs)":"69.8A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9260","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3fb0502b23c3703cafef426b7b2bf7e5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMCJ13A-AQ/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ13A-AQ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ13A-AQ 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}}