{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ78CE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMBJ78CE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMBJ78CE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ78CE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMBJ78CE3/TR13, Zener TVS diode, 78V reverse standoff, 139V clamping, 600W peak pulse power, DO-214AA SMB surface-mount package","salesMarkdown":"## What the 78V standoff and 139V clamp mean for your rail Its reverse standoff voltage of 78V matches the steady-state DC bus voltage, so the diode stays out of conduction during normal operation. That 139V ceiling is what the downstream circuitry must survive — if your load's absolute maximum rating sits below that, you need a lower-voltage TVS or additional protection. ## 600W peak pulse power — sizing the surge margin Rated at 600W peak pulse power for the standard 10/1000µs waveform, this part handles moderate industrial transients — think inductive load switching or lightning-induced spikes on a 48V to 78V DC bus. The actual energy the diode absorbs depends on the surge duration and waveform; the 600W rating is a benchmark for comparing TVS diodes in the same package. For a given transient energy, a lower clamping voltage means higher peak current through the diode, so verify the 4.3A peak current rating against your source impedance and expected surge profile. ## DO-214AA SMB package — hand-solderable and board-friendly Housed in the DO-214AA (SMB) surface-mount package, the SMBJ78CE3/TR13 is a two-terminal device with a cathode tab that doubles as the thermal pad. The SMB footprint is large enough for hand soldering with a fine-tip iron or hot-air rework station — no stencil required for one-off prototypes. No last-time-buy window or successor part has been announced.","metaTitle":"SMBJ78CE3/TR13 – Microchip Zener TVS, 78V Standoff, 600W","metaDescription":"SMBJ78CE3/TR13 Zener TVS diode from Microchip Technology. 78V reverse standoff, 139V clamping, 600W peak pulse power. Active, surface-mount DO-214AA.","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","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMBJ (DO-214AA)","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":"$0.3000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f566c62ad8bf6be9ecf452f6999d0b7a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can I hand-solder the SMBJ78CE3/TR13?","answer":"Yes, the DO-214AA (SMB) package has large enough pads for hand soldering with a fine-tip iron or hot air. No stencil is needed for low-volume work."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMBJ78CE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMBJ78CE3-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}}