{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMCJ43A-AU_R1_000A1","brand":"Panjit International Inc.","brandSlug":"panjit-international-inc","productSlug":"1.5SMCJ43A-AU_R1_000A1","canonicalUrl":"https://icboms.com/panjit-international-inc/1.5SMCJ43A-AU_R1_000A1","factsUrl":"https://icboms.com/api/mcp/products/1.5SMCJ43A-AU_R1_000A1","rawCanonicalId":null},"summary":{"shortDescription":"Panjit International Inc. Zener TVS diode, 1.5SMCJ43A-AU_R1_000A1, unidirectional 1-channel, 43 V standoff, 1500 W peak pulse, AEC-Q101 automotive, DO-214AB SMC surface-mount.","salesMarkdown":"## What the standoff, breakdown, and clamping specs mean The 1.5SMCJ43A-AU_R1_000A1: The reverse standoff of 43 V (typ) is the working rail the protected circuit runs at — above it the diode begins to conduct. The breakdown minimum of 47.8 V is the threshold where avalanche kicks in and the TVS begins clamping. This is the standard IEC 61000-4-5 waveform for evaluating protection on automotive and industrial power rails — the 21.6 A peak current at the clamping voltage follows directly from 1500 W ÷ 69.4 V. A higher clamping voltage means more stress passes to the load; the 69.4 V ceiling at this current is tight enough for most 40 V automotive rails. ## AEC-Q101 automotive grade and where it matters AEC-Q101 qualification means the die and package have passed the automotive stress tests — temperature cycling, humidity bias, and surge-life screening that a commercial-grade TVS is not required to survive. If the end application is automotive electronics, ADAS, or any safety-adjacent system, AEC-Q101 is a hard gate — a commercial-grade Zener does not meet that bar. ## DO-214AB SMC footprint and reel packaging The DO-214AB (SMC) is a dominant surface-mount package for TVS diodes in power applications — the cathode tab directly bonds to the copper pad on the PCB, giving the layout engineer a defined thermal path to the board plane. Supplied on tape-and-reel; the component engineer should confirm the MSL rating before prolonged floor exposure. The unidirectional single-channel topology means this protects one polarity only — a positive-going transient on the protected rail.","metaTitle":"1.5SMCJ43A-AU_R1_000A1 Panjit 1.5SMCJ43A-AU 43V TVS Diode","metaDescription":"AEC-Q101 qualified unidirectional Zener TVS in DO-214AB SMC. 43 V standoff, 47.8 V breakdown, 69.4 V clamping at 21.6 A peak. Quoted to order on RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Panjit International Inc.","Type":"Zener","Grade":"Automotive","Series":"-","Package":"Tape & Reel (TR) Cut Tape (CT)","Applications":"-","Mounting Type":"Surface Mount","Qualification":"AEC-Q101","Package / Case":"DO-214AB, SMC","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMC (DO-214AB)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"47.8V","Voltage - Clamping (Max) @ Ipp":"69.4V","Voltage - Reverse Standoff (Typ)":"43V","Current - Peak Pulse (10/1000µs)":"21.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6700","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What is 1.5SMCJ43A-AU_R1_000A1's listed type on this Circuit Protection line?","answer":"The part is classified as a Zener type — specifically a unidirectional Zener TVS diode with a single protected channel. The standoff, breakdown, and clamping ratings together define its clamping behaviour on a positive rail."},{"question":"Why choose the AEC-Q101 automotive grade over a commercial TVS?","answer":"AEC-Q101 adds temperature cycling, humidity bias, and surge-life screening that commercial TVS diodes are not qualified to. For automotive safety systems, powertrain electronics, or any design requiring PPAP traceability, the automotive grade is a procurement gate — a commercial equivalent may not be accepted on the BOM even if the parametric numbers overlap."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/panjit-international-inc/1.5SMCJ43A-AU_R1_000A1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/panjit-international-inc/1.5SMCJ43A-AU_R1_000A1 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}}