{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMAJ7.0AE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMAJ7.0AE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMAJ7.0AE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMAJ7.0AE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMAJ7.0AE3/TR13, Zener TVS diode, 500W peak pulse power, 7V reverse standoff, 12V clamping, single unidirectional channel, DO-214AC (SMA) surface-mount package, Tape & Reel.","salesMarkdown":"## What this TVS diode does on your board It clamps transients at 12V maximum, protecting downstream circuitry on a 7V nominal rail. The 7V reverse standoff voltage means it starts conducting above the normal operating level, so a 5V or 3.3V supply line would see the clamp trigger well above the rail — this part is sized for a 7V bus, not lower. ## Peak pulse current and clamping — the so-what for your BOM With a peak pulse current of 41.7A (10/1000µs) and a breakdown voltage minimum of 7.78V, the diode absorbs surge energy without letting the protected line exceed 12V. The 500W rating is the product of clamp voltage and peak current — a standard metric for comparing TVS devices in the same package class. The DO-214AC (SMA) package is a common footprint, so reflow profiles and pad layouts are well documented. Microchip lists the SMAJ7.0AE3/TR13 as Active. No single-source exposure — the SMAJ7.0 base number is widely distributed. ## Design-in checklist for the DO-214AC package The DO-214AC (SMA) footprint uses standard land patterns per IPC-SM-782. The cathode band on the body identifies the unidirectional orientation — reverse insertion bypasses the protection. No power line protection feature — this is a signal-line or low-power rail TVS, not a mains-side suppressor. For 5V protection, a lower standoff voltage part (e.g., SMAJ5.0A) would be the correct choice.","metaTitle":"SMAJ7.0AE3/TR13 – Microchip Zener TVS Diode, 500W, DO-214AC","metaDescription":"Microchip SMAJ7.0AE3/TR13 Zener TVS, 500W peak pulse, 7V standoff, 12V clamp, DO-214AC. Active production. Request quote.","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":"12V","Voltage - Reverse Standoff (Typ)":"7V","Current - Peak Pulse (10/1000µs)":"41.7A"}},"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":"Where can I buy SMAJ7.0AE3/TR13 and how is it quoted?","answer":"We source this active Microchip TVS through our multi-supplier channel. Submit an RFQ with your target quantity; we confirm availability and current pricing at quote time. No stock-holding claim — quoted to order."},{"question":"How does SMAJ7.0AE3/TR13 compare to SMAJ7.0A?","answer":"The SMAJ7.0A is the base part without the /TR13 Tape & Reel suffix. Electrically identical — same 500W rating, 7V standoff, 12V clamp. The /TR13 variant is packaged on reel for automated assembly; the base SMAJ7.0A may ship in bulk or other formats. Confirm the packaging requirement for your line."},{"question":"Can SMAJ7.0AE3/TR13 be used for 5V protection?","answer":"Not recommended. The reverse standoff voltage is 7V, so the device starts clamping above that level. On a 5V rail, the circuit would see the full 7V before the TVS activates, which may exceed the absolute maximum of 5V-rated ICs. Use a lower-voltage TVS (e.g., SMAJ5.0A) for 5V rails."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMAJ7.0AE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMAJ7.0AE3-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}}