{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ48A-AQ","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ48A-AQ","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ48A-AQ","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ48A-AQ","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor 1.5SMCJ48A-AQ unidirectional TVS Zener, 48V reverse standoff, 53.3V min breakdown, 77.4V clamping @ 19.4A, 1500W peak pulse, automotive, surface mount, DO-214AB SMC strip.","salesMarkdown":"The 1.5SMCJ48A-AQ is a unidirectional TVS Zener in the DO-214AB (SMC) surface-mount package, qualified for automotive environments and rated 1500 W peak pulse dissipation (10/1000 µs wave shape). The 48 V reverse standoff rating means the diode remains off and invisible to the circuit up to that line voltage — only a transient that exceeds the 53.3 V minimum breakdown threshold will invoke the clamping action. ## Clamping chain — what the voltage tiers mean The 53.3 V minimum breakdown floor is deliberately above the 48 V standoff so that normal line noise does not trigger conduction; only a genuine overvoltage event clears it. ## Junction thermal and mounting fit The rated junction temperature range is -50°C to 150°C, so the part covers cold-start and engine-bay ambient without derating in typical automotive enclosures. The DO-214AB SMC body is the standard SMA-family footprint — reflow-solderable per J-STD-020, and compatible with the same land-pattern as the more common P6SMB and 1.5SMB families, which matters when you are evaluating a second-source candidate. ## Automotive qualification and compliance signals The applications field lists Automotive, placing this part in Diotec's automotive-grade TVS line; the body is explicitly flagged as NOT a power-line protection device. No AEC-Q qualifier or UL listing appears in the listed evidence, so confirm the full qualification package — AEC-Q101, PPAP, and any customer-specific qualification sheet — with Diotec before committing to a safety-critical ECU design.","metaTitle":"Diotec 1.5SMCJ48A-AQ TVS Diode, 1500W, 48V Standoff","metaDescription":"Diotec 1.5SMCJ48A-AQ unidirectional TVS Zener, 48V standoff, 77.4V clamping, 1500W peak pulse, automotive grade, DO-214AB SMC. Active production.","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)":"53.3V","Voltage - Clamping (Max) @ Ipp":"77.4V","Voltage - Reverse Standoff (Typ)":"48V","Current - Peak Pulse (10/1000µs)":"19.4A"}},"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/1.5SMCJ48A-AQ/alternatives.json"},"ai":{"faq":[{"question":"What is 1.5SMCJ48A-AQ's listed type on this Circuit Protection line?","answer":"The part is classified as a Zener type in the Diotec Semiconductor Circuit Protection catalog entry — specifically a unidirectional TVS (transient voltage suppressor) Zener with a 48 V standoff rating."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ48A-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/1.5SMCJ48A-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}}