{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMAJ58AE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMAJ58AE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMAJ58AE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMAJ58AE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMAJ58AE3/TR13, Zener TVS diode, 58V reverse standoff, 93.6V clamping, 500W peak pulse power, DO-214AC (SMA) surface mount, active production.","salesMarkdown":"## 58V rail clamp – 500W peak pulse in DO-214AC Its 64.4V minimum breakdown voltage and 93.6V clamping point at 5.3A peak pulse current (10/1000µs waveform) give a 35.6V window between the rail and the clamp — enough margin for most 48V to 58V bus applications without nuisance triggering. Rated for 500W peak pulse power, this part absorbs surge energy in a DO-214AC (SMA) package that reflows on standard lead-free profiles. ## Clamping voltage and pulse current – sizing the protection At the 10/1000µs test waveform, the SMAJ58AE3/TR13 clamps 5.3A peak pulse current to 93.6V maximum. That clamping voltage is the ceiling the downstream circuitry must survive — a 100V-rated MOSFET or 80V-rated capacitor on the same rail would see margin erosion during a surge event. The 58V reverse standoff means the diode draws negligible leakage below that rail voltage, so it won't load the supply during normal operation. For AC mains or long DC bus runs, pair it with a fuse or PTC upstream. ## Active production – sourcing through distribution Cut Tape (CT) is also available for prototype or low-volume builds.","metaTitle":"SMAJ58AE3/TR13 TVS Diode – 58V Standoff, 500W, DO-214AC","metaDescription":"Microchip SMAJ58AE3/TR13 Zener TVS: 58V reverse standoff, 93.6V clamp, 500W peak pulse, DO-214AC SMA. Active production, surface mount, -65°C to 150°C.","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); Cut Tape (CT)","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":"SMAJ58","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)":"64.4V","Voltage - Clamping (Max) @ Ipp":"93.6V","Voltage - Reverse Standoff (Typ)":"58V","Current - Peak Pulse (10/1000µs)":"5.3A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3500","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/7b3ddece4863b4621debe180df56adc8.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to SMAJ58AE3/TR13 in the same Circuit Protection family?","answer":"Within the SMAJ series from Microchip, other voltage variants (e.g., SMAJ5.0A through SMAJ170A) share the same DO-214AC footprint and pinout. For a direct 58V standoff replacement, the SMAJ58A (non- suffix) is functionally identical but lacks the lead-free / RoHS-compliant designation. Confirm the BOM's environmental compliance requirement before swapping."},{"question":"Can SMAJ58AE3/TR13 be used for surge protection on a 48V DC bus?","answer":"Yes. The 58V reverse standoff sits above a nominal 48V rail, so the diode does not conduct during normal operation. The 93.6V clamp limits transient overvoltage to a level most 100V-rated downstream components can withstand. Ensure the peak pulse current of the expected surge does not exceed the 5.3A rating at the 10/1000µs waveform."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMAJ58AE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMAJ58AE3-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}}