{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ75CA-AQ","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ75CA-AQ","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ75CA-AQ","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ75CA-AQ","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor, 1.5SMCJ75CA-AQ, unidirectional Zener TVS diode, 75V reverse standoff, 1.5kW peak pulse power, 12.4A peak pulse current, DO-214AB (SMC), surface mount, automotive.","salesMarkdown":"The 1.5SMCJ75CA-AQ: The reverse standoff of 75 V sets the maximum working rail this TVS watches without conduction — the circuit runs at nominal voltage below that, and the diode stays invisible until a transient exceeds the breakdown threshold. That 121 V ceiling is the number the downstream protected circuitry must withstand — size your downstream bus accordingly. The 1.5 kW peak pulse rating tells you the energy this part can absorb and survive in the IEC 61000-4-5 surge environment. It is a transient rating, not a continuous rating — the diode dissipates the surge energy in microseconds and then returns to its high-impedance state. ## 150 °C junction temperature — automotive under-hood margin The automotive applications designation means the part went through the temperature cycling, humidity, and mechanical stress screening consistent with AEC-Q qualification — the kind of stress a dashboard or under-hood module sees over a vehicle service life. ## DO-214AB SMC footprint — drop-in on standard TVS pad geometry The DO-214AB (SMC) package is the standard two-terminal TVS footprint — the wide metal pad on the cathode side acts as a thermal conductor, and the board designer should tie it to a generous copper plane for surge thermal management.","metaTitle":"1.5SMCJ75CA-AQ TVS Diode, 75V standoff, 1500W","metaDescription":"Diotec 1.5SMCJ75CA-AQ unidirectional Zener TVS, 75V standoff, 1.5kW peak pulse, -50 to 150°C TJ, DO-214AB SMC. 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","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMC/DO-214AB","Voltage - Breakdown (Min)":"83.3V","Voltage - Clamping (Max) @ Ipp":"121V","Voltage - Reverse Standoff (Typ)":"75V","Current - Peak Pulse (10/1000µs)":"12.4A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9260","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3fb0502b23c3703cafef426b7b2bf7e5.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is this a unidirectional or bidirectional TVS?","answer":"Unidirectional — the part carries a single bidirectional channel flag of 1, which in the 1.5SMCJ nomenclature means the C suffix denotes a unidirectional Zener TVS. For bidirectional protection across a differential signal pair, you would need the CA variant with both polarities clamped."},{"question":"What is the 1.5SMCJ75CA-AQ used for?","answer":"As an automotive Zener-based TVS, it protects low-voltage electronic modules against voltage transients on the power rail — the 75 V standoff fits 12 V and 24 V automotive nominal buses with adequate headroom to the clamping ceiling of 121 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ75CA-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/1.5SMCJ75CA-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}}