{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ7.5A","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ7.5A","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ7.5A","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ7.5A","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor Zener unidirectional TVS diode, 1.5SMCJ7.5A, 7.5V reverse standoff, 12.9V clamping, 1500W peak pulse, 116A peak pulse current, DO-214AB SMC surface mount, -50°C to 150°C junction.","salesMarkdown":"## 7.5 V rail protection — what the clamping spec means The 1.5SMCJ7.5A: The 7.5 V reverse standoff is the rail this diode watches in normal operation — it sits off-state and draws only microamps until a surge arrives. A 12.9 V clamping ceiling means downstream circuits must tolerate that level as their transient immunity budget — this part suits logic and low-voltage rails that are rated to absorb that clamp level without damage. The 1500 W peak pulse rating (10/1000 µs waveform) defines the surge energy this SMC-bodied diode can absorb without failing — the 1.5 kW rating puts it in the mid-range TVS class, typical for board-level protection on secondary rails. The 116 A peak pulse current confirms the surge current the clamping path must conduct — for a 7.5 V rail, that 116 A flows through a dynamic on-resistance well below an ohm during the event, which is what keeps the clamp voltage from climbing further. The 150°C maximum junction temperature gives a 105°C operating margin over the commercial 85°C ceiling — derating is modest for most indoor applications, but a thermally densely packed board layout warrants checking the TJ under worst-case fault current. ## SMC package — surface-mount integration The DO-214AB (SMC) package is the standard large-footprint TVS body — the wide cathode tab handles the thermal path from the junction to the PCB pad, and the recommended land pattern uses a centre thermal pad under the cathode bar for heat spreading. Unidirectional, single-channel — this is not a dual-polarity part; it protects one rail in one direction, so it belongs on the positive rail to ground.","metaTitle":"Diotec 1.5SMCJ7.5A TVS Diode, 7.5V standoff, 1500W peak","metaDescription":"Diotec 1.5SMCJ7.5A unidirectional TVS diode, 7.5V standoff, 12.9V clamping, 1500W peak pulse, DO-214AB SMC surface mount. Active production — 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":"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","Capacitance @ Frequency":"-","Supplier Device Package":"SMC/DO-214AB","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"8.3V","Voltage - Clamping (Max) @ Ipp":"12.9V","Voltage - Reverse Standoff (Typ)":"7.5V","Current - Peak Pulse (10/1000µs)":"116A"}},"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/1.5SMCJ7.5A/alternatives.json"},"ai":{"faq":[{"question":"What package does the 1.5SMCJ7.5A use?","answer":"The part ships in the DO-214AB (SMC) surface-mount package — the supplier device package field carries the same designation. Standard reflow profile applies; verify the thermal pad layout against the recommended land pattern."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ7.5A","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ7.5A when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-14T23:42:15.652Z","lastPublished":"2026-09-14T23:42:15.652Z","indexable":true}}