{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ5.0C","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ5.0C","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ5.0C","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ5.0C","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor unidirectional Zener TVS, 1.5SMCJ5.0C, 5V standoff (typ), 10.3V clamping max @ 146A, 1500W peak pulse, -50°C to 150°C TJ, DO-214AB (SMC) surface-mount.","salesMarkdown":"## What the 5 V standoff and unidirectional architecture mean This puts it squarely in the secondary-side and DC-rail protection role, not the AC line-side position. The entry confirms it carries no power-line protection rating, which is the expected boundary for a DC-rail clamp sized well below mains voltages. The 'C' suffix in the 1.5SMCJ5.0C naming convention denotes the bidirectional variant of the series. The unidirectional counterpart — with an 'A' suffix — shares the same standoff and breakdown ratings but can only protect one polarity. For a bidirectional fault path or an AC waveform, the 'C' variant is the drop-in; for a strict DC positive rail the 'A' variant is the usual pick. ## Surge ceiling and clamping performance The minimum breakdown voltage is 6.4 V — conduction onset for the Zener channel. Below 6.4 V the device is off and leaks only the standing reverse leakage current; above it the avalanche characteristic drives the clamp. The window between 5 V standoff and 6.4 V minimum breakdown is the design margin — the part must not conduct under the maximum expected DC working voltage. ## Thermal and package fit The junction temperature range of -50°C to 150°C with a thermal resistance governed by the DO-214AB (SMC) package fits standard surface-mount reflow assembly. The copper pad under the SMC body carries heat away — a adequate land pattern on a multi-layer board keeps the junction within the 150°C ceiling during the peak pulse. For repetitive surge events, the thermal cycle between events matters as much as the single-pulse rating. Diotec Semiconductor lists the 1.5SMCJ5.0C as Active. The DO-214AB SMC footprint aligns with the dominant industry package for this power class, which gives reasonable second-source options if the BOM requires a hedge, though the exact standoff and clamping values should be verified against any alternative datasheet.","metaTitle":"1.5SMCJ5.0C TVS Diode, 1500W, 5V Standoff, SMC","metaDescription":"Diotec 1.5SMCJ5.0C unidirectional TVS Zener, 5V standoff, 10.3V clamping, 1.5kW peak pulse, DO-214AB SMC. 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":"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)":"6.4V","Voltage - Clamping (Max) @ Ipp":"10.3V","Voltage - Reverse Standoff (Typ)":"5V","Current - Peak Pulse (10/1000µs)":"146A"}},"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/1.5SMCJ5.0C/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between the 1.5SMCJ5.0C and the 1.5SMCJ5.0A?","answer":"The C-suffix and A-suffix share the same standoff, breakdown, and clamping ratings — the distinction is polarity handling. The 1.5SMCJ5.0C is bidirectional (one bidirectional channel per), protecting both polarities of a fault, while the 1.5SMCJ5.0A is unidirectional and only clamps one polarity. Pick the C-variant for AC rails or circuits where either polarity can appear."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ5.0C","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ5.0C 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}}