{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ30A-AQ","brand":"Diotec Semiconductor","brandSlug":"diotec-semiconductor","productSlug":"1.5SMCJ30A-AQ","canonicalUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ30A-AQ","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ30A-AQ","rawCanonicalId":null},"summary":{"shortDescription":"Diotec Semiconductor 1.5SMCJ30A-AQ unidirectional TVS Zener, 30V reverse standoff, 48.4V clamping, 1.5kW peak pulse, 31A peak pulse current, automotive grade, DO-214AB SMC surface mount.","salesMarkdown":"## What the 30V standoff and 48.4V clamping mean for your protection circuit The 1.5SMCJ30A-AQ clamps at 48.4 V maximum when a transient drives current through the device — the downstream circuit sees no more than 48.4 V regardless of the surge amplitude, as long as the waveform stays within the 10/1000 µs peak-pulse rating. That 30 V reverse standoff is the working voltage the TVS sees in normal operation; it must stay below 30 V to avoid conduction leakage in the unpowered state. The 31 A peak pulse current tells you the clamping action must divert that current safely to ground — size the upstream impedance and PCB trace accordingly so the clamp does not become the fault path. The 1.5 kW peak-pulse rating at 10/1000 µs is sized for the load-dump and inductive-spike transient profile found in 12 V automotive systems. If the board runs near 150 °C TJ continuously, the clamping voltage will track higher per the datasheet temperature coefficient, so budget headroom accordingly. ## DO-214AB SMC — surface-mount board integration The DO-214AB (SMC) package with strip packaging ships without reel or cut-tape convolutions — the tape width and peel angle matter for high-speed pick-and-place. The cathode bar on the SMC body aligns with the polarity mark on the reel; verify the placement head vacuums the package centrally to avoid tombstoning on reflow. Land pattern follows the JEDEC DO-214AB footprint — the cathode pad extends under the body for thermal relief, not just electrical connection.","metaTitle":"Diotec 1.5SMCJ30A-AQ TVS Diode, 30V Standoff, 1.5kW Peak","metaDescription":"Diotec Semiconductor 1.5SMCJ30A-AQ unidirectional TVS Zener in DO-214AB SMC, 30V standoff, 48.4V clamping, 1.5kW peak pulse, automotive temp range.","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","Capacitance @ Frequency":"-","Supplier Device Package":"SMC/DO-214AB","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"33.3V","Voltage - Clamping (Max) @ Ipp":"48.4V","Voltage - Reverse Standoff (Typ)":"30V","Current - Peak Pulse (10/1000µs)":"31A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9260","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3fb0502b23c3703cafef426b7b2bf7e5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMCJ30A-AQ/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 1.5SMCJ30A-AQ and how do I get a quote?","answer":"The part is sourced and quoted to order via RFQ through independent distribution. Availability and lead time are confirmed when you request a quote; no live inventory count is published on this listing."},{"question":"What does the -AQ suffix mean on this TVS diode?","answer":"The -AQ designation flags the part as automotive-grade, consistent with the Applications field listing Automotive. This positions it for ECU, BCM, and chassis-domain protection circuits where AEC-Q stress testing is a procurement prerequisite."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diotec-semiconductor/1.5SMCJ30A-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/1.5SMCJ30A-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}}