{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ51AE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMBJ51AE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMBJ51AE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ51AE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMBJ51AE3/TR13, Zener TVS diode, unidirectional, 51 V reverse standoff, 82.4 V clamping at 7.3 A, 600 W peak pulse power, DO-214AA SMB package, Tape & Reel.","salesMarkdown":"Its 82.4 V maximum clamping voltage at 7.3 A peak pulse current sets the upper voltage limit the protected circuitry must survive. ## Clamping voltage and peak pulse current — sizing the protection margin The reverse standoff voltage is 51 V, meaning the diode does not conduct appreciably below that level. Breakdown occurs at a minimum of 56.7 V, and the clamping voltage peaks at 82.4 V when the full 7.3 A pulse flows. For a 48 V nominal bus with a 10 % tolerance, the 51 V standoff provides a 3 V headroom before the diode starts to leak — tight but workable if the rail is regulated. The 7.3 A peak pulse current is the maximum the diode can handle in the 10/1000 µs waveform; a higher surge requires a larger TVS or a parallel protection path. The 600 W peak pulse power is the product of clamping voltage and peak current at the specified pulse condition. Derating for temperature above 25°C is standard for this class — the datasheet curve shows the power linearly reduces to zero at 150°C. If the ambient at the diode exceeds 85°C, the effective pulse-handling drops, so the buyer should check the derating factor against the expected surge energy.","metaTitle":"SMBJ51AE3/TR13 Zener TVS Diode 600W 51V DO-214AA SMB –","metaDescription":"SMBJ51AE3/TR13 Zener TVS diode, 51 V reverse standoff, 82.4 V clamping, 600 W peak pulse, DO-214AA SMB. 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-214AA, SMB","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"600W","Base Product Number":"SMBJ51","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMBJ (DO-214AA)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"56.7V","Voltage - Clamping (Max) @ Ipp":"82.4V","Voltage - Reverse Standoff (Typ)":"51V","Current - Peak Pulse (10/1000µs)":"7.3A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f566c62ad8bf6be9ecf452f6999d0b7a.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMBJ51AE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMBJ51AE3-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}}