{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ78E3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMBJ78E3-TR13","canonicalUrl":"https://icboms.com/microchip/SMBJ78E3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ78E3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMBJ78E3/TR13, Zener TVS diode, 78V reverse standoff, 139V clamping, 600W peak pulse power, DO-214AA (SMB) package, surface mount, -65°C to 150°C junction temperature.","salesMarkdown":"Its 78V reverse standoff voltage is the maximum continuous DC the line can carry without the diode conducting — pick this for a 48V or 60V nominal bus with margin for ripple. When a surge hits, the device clamps at 139V max and absorbs 600W peak pulse power in a 10/1000µs waveform, shunting 4.3A peak pulse current. Rated for -65°C to 150°C junction temperature, this part handles outdoor telecom cabinets, industrial control panels, and under-hood automotive environments where ambient heat can spike. The DO-214AA (SMB) package is a standard surface-mount footprint — reflow profile matches typical Pb-free solder, and the small body keeps board real estate tight. No power line protection, so it's intended for signal or low-power DC rails, not mains. ## Active production — sourcing posture Microchip lists the SMBJ78E3/TR3 as Active, so no imminent end-of-life risk.","metaTitle":"SMBJ78E3/TR13 TVS Diode – 78V Standoff, 600W, DO-214AA","metaDescription":"SMBJ78E3/TR13 Zener TVS diode from Microchip: 78V reverse standoff, 139V clamping, 600W peak pulse power, DO-214AA (SMB) 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-214AA, SMB","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"600W","Base Product Number":"SMBJ78","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)":"86.7V","Voltage - Clamping (Max) @ Ipp":"139V","Voltage - Reverse Standoff (Typ)":"78V","Current - Peak Pulse (10/1000µs)":"4.3A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2850","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f566c62ad8bf6be9ecf452f6999d0b7a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is SMBJ78E3/TR13 unidirectional or bidirectional?","answer":"It is a single-channel unidirectional device. Use it on DC rails where polarity is fixed; for AC signal lines you would need a bidirectional TVS."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMBJ78E3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMBJ78E3-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}}