{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMCJ33E3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMCJ33E3-TR13","canonicalUrl":"https://icboms.com/microchip/SMCJ33E3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMCJ33E3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMCJ33E3/TR13, Zener TVS diode, 33V reverse standoff, 59V clamping @ 25.2A, 1.5kW peak pulse power, DO-214AB SMC package, Tape & Reel","salesMarkdown":"## What this TVS diode does for your rail Its 1.5kW peak pulse power rating (10/1000µs waveform) means it can absorb a 25.2A surge before the clamping voltage hits 59V — enough to protect a 24V or 28V DC bus in industrial or telecom gear without sacrificing board space. The minimum breakdown voltage is 36.7V, which gives a 3.7V guard band above the 33V reverse standoff. That margin keeps the diode out of conduction during normal rail ripple while still triggering fast enough to clip a transient before it reaches the downstream silicon. The 59V maximum clamping point at 25.2A is the ceiling the load sees — confirm your downstream components are rated for at least that peak. Microchip lists the SMCJ33E3/TR13 as Active, so it remains a current-design choice with no announced end-of-life. The DO-214AB (SMC) package is a surface-mount footprint common in power-supply and I/O protection stages. No power line protection feature — this is a signal or low-voltage bus protector, not a mains-side device.","metaTitle":"SMCJ33E3/TR13 TVS Diode – Microchip, 33V Standoff, 1.5kW","metaDescription":"SMCJ33E3/TR13 Zener TVS diode, 33V reverse standoff, 59V clamping, 1.5kW peak pulse power. Active production, DO-214AB SMC package.","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":"SMCJ33","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)":"36.7V","Voltage - Clamping (Max) @ Ipp":"59V","Voltage - Reverse Standoff (Typ)":"33V","Current - Peak Pulse (10/1000µs)":"25.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5550","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SMCJ33E3/TR13 and SMCJ33A?","answer":"The SMCJ33E3/TR13 is a Microchip part; the SMCJ33A is a different manufacturer's device. Both are 33V unidirectional TVS diodes in DO-214AB, but the breakdown voltage tolerance and clamping specs may differ. Cross-reference the datasheets for your specific surge waveform before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMCJ33E3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMCJ33E3-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}}