{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMCJ51AE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMCJ51AE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMCJ51AE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMCJ51AE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMCJ51AE3/TR13, Zener TVS diode, 1500W peak pulse power, 51V reverse standoff, unidirectional, DO-214AB (SMC) package, Tape & Reel.","salesMarkdown":"Rated at 1500W peak pulse power under the 10/1000 µs waveform, this diode can clamp a 18.2A surge to 82.4V maximum. The 51V reverse standoff is the DC operating voltage it will not leak on; the breakdown starts at 56.7V minimum. That 5.7V window between standoff and breakdown is the margin you budget for rail tolerance and temperature drift. ## Unidirectional – single-rail protection This is a single-channel unidirectional device. It clamps positive transients above the breakdown voltage while the cathode is tied to the protected rail and the anode to ground. For AC or dual-polarity rails you would need a bidirectional part; here the circuit is a straightforward DC rail clamp. ## DO-214AB (SMC) – board footprint and thermal path Housed in a surface-mount DO-214AB package. ## Tape & Reel – ready for automated assembly No manual handling needed; the reel feeds directly into the feeder.","metaTitle":"SMCJ51AE3/TR13 TVS Diode – 1500W, 51V Standoff","metaDescription":"SMCJ51AE3/TR13 Zener TVS diode, 1500W peak pulse power, 51V reverse standoff, unidirectional, DO-214AB (SMC) package. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Microchip Technology","Type":"Zener","Series":"-","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"SMCJ51","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"56.7V","Voltage - Clamping (Max) @ Ipp":"82.4V","Voltage - Reverse Standoff (Typ)":"51V","Current - Peak Pulse (10/1000µs)":"18.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5550","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"Is SMCJ51AE3/TR13 unidirectional or bidirectional?","answer":"Unidirectional, single channel. It clamps positive overvoltage on a single DC rail referenced to ground."},{"question":"What package does SMCJ51AE3/TR13 come in?","answer":"DO-214AB (SMC) surface-mount package, supplied on Tape & Reel."},{"question":"What is the closest pin-compatible alternative to SMCJ51AE3/TR13?","answer":"Within the same SMCJ51 series, the base product number SMCJ51 covers the same die and package. The /AE3 suffix indicates the A-grade (5% tolerance on breakdown) and the lead-free finish. A standard SMCJ51A (without /TR13) is functionally identical but may ship in different reel or tube quantities. Confirm the exact suffix for your BOM's finish and packaging requirements."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMCJ51AE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMCJ51AE3-TR13 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}}