{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ9.0","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ9.0","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ9.0","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ9.0","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor 1.5SMCJ9.0, Zener TVS diode, unidirectional 1-channel, 9V reverse standoff, 1500W peak pulse, 88.8A peak pulse current, DO-214AB SMC package, surface mount, -50°C to 150°C junction.","salesMarkdown":"## What the 1.5SMCJ9.0 is and what the ratings mean The 1.5SMCJ9.0 is a unidirectional transient voltage suppressor — a Zener-type clamping device that dumps surge energy away from a protected rail. The peak pulse rating is 1500W at a 10/1000 µs waveform — this is the energy the device can absorb without degradation when a surge hits within that time window. The clamping voltage of 16.9V at peak pulse current (88.8A) sets the ceiling that downstream ICs must survive — this is the voltage the protected circuit sees during the clamping event. A downstream IC with an absolute-maximum rating below 16.9V needs a lower-standoff TVS or a coarser protection hierarchy upstream. The DO-214AB (SMC) package is the standard 1.5kW surface-mount package — the cathode bar marks the unidirectional polarity side, which must face the protected rail correctly; a reversed polarity will conduct forward-biased and defeat the protection entirely. ## Where this class of part goes TVS diodes of this rating land on DC power rails, data lines, and communication buses that need clamping headroom above the working voltage. The 1.5SMCJ9.0 suits 9V nominal rails — instrument power buses, industrial sensor supplies, and 12V rail derivative taps all see 9V standoff devices protecting downstream processing stages from surge and ESD events. Power line protection is flagged as no — this part is not rated as a dedicated mains-protection device and should not be applied directly across a line-frequency AC rail without additional coordination with the upstream breaking device and the applicable fault-interruption requirements.","metaTitle":"Diotec 1.5SMCJ9.0 TVS Diode, 9V Standoff, 1500W","metaDescription":"Diotec 1.5SMCJ9.0 unidirectional TVS diode, 9V standoff, 1500W peak pulse, DO-214AB SMC. Active — 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","Capacitance @ Frequency":"-","Supplier Device Package":"SMC/DO-214AB","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"10V","Voltage - Clamping (Max) @ Ipp":"16.9V","Voltage - Reverse Standoff (Typ)":"9V","Current - Peak Pulse (10/1000µs)":"88.8A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9158","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3fb0502b23c3703cafef426b7b2bf7e5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMCJ9.0/alternatives.json"},"ai":{"faq":[{"question":"What package does the 1.5SMCJ9.0 use, and is it standard for this footprint?","answer":"This footprint is pin-compatible across most 1.5kW unidirectional SMC TVS families from different manufacturers, though standoff voltage per device must match the rail."},{"question":"What is the 1.5SMCJ9.0's listed type?","answer":"Diotec classifies the 1.5SMCJ9.0 as a Zener-type TVS diode — the Zener mechanism provides the reverse-breakdown conduction path that clamps overvoltage transients."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ9.0","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diotec-semiconductor/1.5SMCJ9.0 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}}