{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMAJ51AQ-13-F","brand":"Diodes Incorporated","brandSlug":"diodes-inc","productSlug":"SMAJ51AQ-13-F","canonicalUrl":"https://icboms.com/diodes-inc/SMAJ51AQ-13-F","factsUrl":"https://icboms.com/api/mcp/products/SMAJ51AQ-13-F","rawCanonicalId":null},"summary":{"shortDescription":"Diodes Incorporated SMAJ51AQ-13-F, Automotive TVS Diode, Zener, 400W Peak Pulse, 51V Standoff, DO-214AC (SMA), Tape & Reel.","salesMarkdown":"## Automotive-grade transient protection for 48V bus lines The SMAJ51AQ-13-F is a 400W peak-pulse TVS diode in the DO-214AC (SMA) package, designed to clamp transients on 48V nominal rails in automotive electronics. With a 51V reverse standoff voltage and a minimum breakdown of 56.7V, it sits just above the 48V bus tolerance band — clamping at 82.4V max to protect downstream ICs from load-dump and inductive kickback. Rated for 4.9A peak pulse current (10/1000µs waveform), this part handles the energy from a single-shot surge on a 48V supply line without exceeding the junction temperature limit of 150°C. ## AEC-Q101 qualification and temperature range AEC-Q101 qualified, the SMAJ51AQ-13-F is screened for automotive reliability — 1000-hour high-temperature reverse bias, temperature cycling, and ESD robustness per the automotive discrete semiconductor standard. Surface-mount in DO-214AC (SMA) — the same footprint as standard SMA diodes, so it drops onto existing 48V TVS pads without a layout change.","metaTitle":"SMAJ51AQ-13-F Diodes Inc TVS Diode, 400W, 51V, DO-214AC","metaDescription":"SMAJ51AQ-13-F automotive TVS diode, 400W peak pulse, 51V standoff, AEC-Q101. Active production, sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Diodes Incorporated","Type":"Zener","Grade":"Automotive","Series":"-","Package":"Tape & Reel (TR)","Applications":"-","Mounting Type":"Surface Mount","Qualification":"AEC-Q101","Package / Case":"DO-214AC, SMA","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"400W","Base Product Number":"SMAJ51","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMA","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"56.7V","Voltage - Clamping (Max) @ Ipp":"82.4V","Voltage - Reverse Standoff (Typ)":"51V","Current - Peak Pulse (10/1000µs)":"4.9A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.0995","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/34f8b69d3d41ce3a7e5d6d3f2b7ec8e2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How do I get pricing and availability for SMAJ51AQ-13-F?","answer":"Submit an RFQ against your BOM quantity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diodes-inc/SMAJ51AQ-13-F","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diodes-inc/SMAJ51AQ-13-F 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}}