{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ18AE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMBJ18AE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMBJ18AE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ18AE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMBJ18AE3/TR13, Zener TVS diode, 18V reverse standoff, 20V min breakdown, 29.2V clamp at 20.5A, 600W peak pulse power, DO-214AA SMB package, Tape & Reel.","salesMarkdown":"## 18V rail clamp – 600W peak pulse, DO-214AA When a transient hits, it clamps at 29.2V maximum while conducting 20.5A peak pulse current (10/1000µs waveform). The 20V minimum breakdown is the voltage at which the device starts to conduct in avalanche. For a 12V rail that sees occasional 24V load-dump spikes, this part stays off until the spike exceeds 20V, then clamps hard at 29.2V. Microchip lists the SMBJ18AE3/TR13 as Active. No last-time-buy notice, no end-of-life window on the horizon. ## General-purpose application fit The SMBJ18AE3/TR13 is classified for General Purpose applications. That covers overvoltage protection on DC power rails, I/O lines, and low-voltage bus transients in industrial controls, telecom, and consumer gear. The single unidirectional channel protects one rail per device – use two back-to-back for bidirectional clamping on AC-coupled lines.","metaTitle":"SMBJ18AE3/TR13 TVS Diode – Microchip, 18V Standoff, 600W","metaDescription":"SMBJ18AE3/TR13 Zener TVS from Microchip: 18V reverse standoff, 20V min breakdown, 29.2V clamp at 20.5A, 600W peak pulse power. Active lifecycle.","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":"SMBJ18","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)":"20V","Voltage - Clamping (Max) @ Ipp":"29.2V","Voltage - Reverse Standoff (Typ)":"18V","Current - Peak Pulse (10/1000µs)":"20.5A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f566c62ad8bf6be9ecf452f6999d0b7a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SMBJ18AE3/TR13 and SMBJ18A?","answer":"The SMBJ18A is the base part without the /TR13 suffix. The /TR13 indicates Tape & Reel packaging. Electrically the two are identical – same 18V standoff, 20V breakdown, 29.2V clamp, 600W rating. The SMBJ18A may come in other packaging options (bulk, tube)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMBJ18AE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMBJ18AE3-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}}