{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ17C","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ17C","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ17C","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ17C","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor 1.5SMCJ17C unidirectional TVS diode, 1500W peak pulse, 17V reverse standoff, 30.5V clamping, 49.2A peak pulse, DO-214AB (SMC) surface mount.","salesMarkdown":"## What 1500W peak pulse and 17V standoff mean for the BOM The 1.5SMCJ17C clamps at 30.5V maximum under a 49.2A peak pulse (10/1000 µs waveform), which is the voltage the downstream circuit actually sees when a transient arrives — the 17V standoff rating is the working voltage the diode ignores under normal conditions. 1500W peak pulse is the 1.5SMCJ designation point at the standard 10/1000 µs surge waveform. It tells you the diode absorbs and diverts transient energy to ground before it reaches the protected rail — a short event that the diode survives because it is not in continuous conduction. ## Unidirectional polarity and Zener-type clamping This is a single-channel, unidirectional TVS — the polarity notch or stripe on the SMC package marks the cathode, and the diode conducts only when the cathode goes above the breakdown threshold in the reverse direction. Minimum breakdown is 18.9V; the standoff typ is 17V. That gap gives the protected rail headroom under normal operating conditions while keeping the clamping ceiling predictable at 30.5V. ## SMC package and board assembly The DO-214AB (SMC) is the standard footprint for 1500W TVS diodes on board — the two-terminal anode-cathode pads land directly on the PCB surface, and the metal tab on the bottom provides the thermal path to the board copper. Junction temperature is rated from -50°C to 150°C. The lower bound matters for cold-start and outdoor equipment that powers up in sub-zero ambient; the upper bound reflects transient clamping duty rather than continuous dissipation — a TVS diode spends most of its life off.","metaTitle":"1.5SMCJ17C TVS Diode, 1500W Peak, 17V Standoff, SMC","metaDescription":"Diotec 1.5SMCJ17C unidirectional TVS diode, 1500W peak pulse, 17V standoff, 30.5V clamping. Active production — quoted to order on RFQ.","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)":"18.9V","Voltage - Clamping (Max) @ Ipp":"30.5V","Voltage - Reverse Standoff (Typ)":"17V","Current - Peak Pulse (10/1000µs)":"49.2A"}},"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/1.5SMCJ17C/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the 1.5SMCJ17C and how do I get a price?","answer":"No stock-holding claim is made; the supply posture is quoted-to-order."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ17C","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ17C 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}}