{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ45AE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMBJ45AE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMBJ45AE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ45AE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMBJ45AE3/TR13, Zener TVS diode, 45 V reverse standoff, 72.7 V clamp, 600 W peak pulse, DO-214AA SMB package, Tape & Reel, Active.","salesMarkdown":"The SMBJ45AE3/TR13 is a unidirectional Zener TVS diode in the DO-214AA (SMB) surface-mount package, rated for 600 W peak pulse power over a 10/1000 µs waveform. Its 45 V reverse standoff voltage means it stays off the bus on a nominal 48 V telecom rail or a 42 V automotive supply, only clamping when a transient pushes the line above 50 V breakdown. The 72.7 V clamp ceiling keeps the downstream silicon safe during a surge. This is a general-purpose protection diode — it goes on DC power inputs, signal lines, or any board edge where a single-ended transient needs shunting to ground. At 600 W peak pulse and 8.3 A peak pulse current, this diode absorbs short-duration surges typical of lightning-induced transients or inductive load dumps. The 10/1000 µs waveform is the industry-standard test condition — real-world surge energy depends on the source impedance and line length, but the 600 W rating gives a solid margin for secondary protection on a 45 V rail. Power line protection is not supported — this is a unidirectional clamp for signal or low-impedance DC rails, not for AC mains or high-energy surge paths that would need a higher-energy MOV or GDT upstream. The suffix indicates RoHS-compliant and Pb-free termination finish.","metaTitle":"SMBJ45AE3/TR13 TVS Diode – 45 V, 600 W, DO-214AA","metaDescription":"SMBJ45AE3/TR13 Zener TVS diode, 45 V reverse standoff, 72.7 V clamp, 600 W peak pulse, DO-214AA SMB. Active production – RFQ for pricing and availability.","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":"SMBJ45","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)":"50V","Voltage - Clamping (Max) @ Ipp":"72.7V","Voltage - Reverse Standoff (Typ)":"45V","Current - Peak Pulse (10/1000µs)":"8.3A"}},"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":"What is the difference between SMBJ45A and SMBJ45CA?","answer":"SMBJ45A is a unidirectional TVS (one channel, cathode band) while SMBJ45CA is a bidirectional TVS (two back-to-back Zeners, no polarity). The SMBJ45AE3/TR13 is the unidirectional variant — use it on a single-polarity DC rail where the ground reference is fixed."},{"question":"Is SMBJ45AE3/TR13 the same as SMBJ45A?","answer":"Electrically yes — the breakdown and clamp voltages match the SMBJ45A baseline. The /TR13 suffix denotes Tape & Reel packaging for automated assembly. The suffix confirms RoHS compliance. So SMBJ45AE3/TR13 is the Pb-free, reel-packaged version of the standard SMBJ45A."},{"question":"What package is SMBJ45AE3/TR13?","answer":"DO-214AA, also known as SMB. It is a surface-mount package with a JEDEC standard footprint. The supplier device package is listed as SMBJ (DO-214AA)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMBJ45AE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMBJ45AE3-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}}