{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMAJ7.0E3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMAJ7.0E3-TR13","canonicalUrl":"https://icboms.com/microchip/SMAJ7.0E3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMAJ7.0E3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMAJ7.0E3/TR13, Zener TVS Diode, 500W peak pulse power, 7V reverse standoff, 13.3V clamping, single unidirectional channel, DO-214AC (SMA) surface mount package, Tape & Reel.","salesMarkdown":"## 7V rail clamp in a DO-214AC footprint Its reverse standoff voltage is 7 V, with a minimum breakdown of 7.78 V and a maximum clamping voltage of 13.3 V at the peak pulse current of 37.8 A. This is a general-purpose protection part suited for DC power buses, signal lines, and I/O ports where a unidirectional clamp is needed. ## Clamp voltage and breakdown margin The gap between the 7 V standoff and the 7.78 V minimum breakdown gives a guard band of 0.78 V — enough to avoid false triggering on normal rail ripple. The 13.3 V clamp is the ceiling the protected circuitry sees during a surge; for a 7 V rail, this leaves a ~6 V margin above the operating voltage, which is typical for a 500 W device in this voltage class. No power line protection, so it's intended for secondary-side or low-voltage DC rails rather than mains AC. Microchip lists the SMAJ7.0E3/TR13 as Active. Sourced per RFQ; current lead time and price confirmed at quote time against your BOM quantity.","metaTitle":"SMAJ7.0E3/TR13 TVS Diode – 7V Standoff, 13.3V Clamp","metaDescription":"Microchip SMAJ7.0E3/TR13 Zener TVS, 500W peak pulse, 7.78V breakdown min, 13.3V clamp. Active, DO-214AC surface mount. RFQ for current pricing.","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-214AC, SMA","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"500W","Base Product Number":"SMAJ7.0","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AC (SMA)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"7.78V","Voltage - Clamping (Max) @ Ipp":"13.3V","Voltage - Reverse Standoff (Typ)":"7V","Current - Peak Pulse (10/1000µs)":"37.8A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.1800","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/7b3ddece4863b4621debe180df56adc8.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the SMAJ7.0E3/TR13 RoHS compliant?","answer":"The evidence does not list a RoHS compliance statement. Confirm with the datasheet or your Microchip representative for the exact compliance status of this date code."},{"question":"Does the SMAJ7.0E3/TR13 require a heatsink?","answer":"No. The DO-214AC (SMA) package is designed for surface-mount PCB copper-plane heatsinking. The 500 W rating is for a single 10/1000 µs pulse — continuous power dissipation is negligible for transient duty."},{"question":"What is the difference between the SMAJ7.0E3/TR13 and the SMAJ7.0A?","answer":"The SMAJ7.0A is a bidirectional version; the SMAJ7.0E3/TR13 is unidirectional. The '' suffix typically indicates lead-free / RoHS-compliant plating, but confirm with the datasheet. The 'TR13' suffix specifies Tape & Reel packaging. Electrical specs (standoff, breakdown, clamp) are the same for both unidirectional and bidirectional variants."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMAJ7.0E3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMAJ7.0E3-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}}