{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMCJ18CE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMCJ18CE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMCJ18CE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMCJ18CE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMCJ18CE3/TR13, Zener TVS diode, bidirectional, 1.5 kW peak pulse power, 18 V standoff, 20 V breakdown min, 32.2 V clamp max at 46.6 A, DO-214AB (SMC) package, Tape & Reel, -65°C to 150°C junction temperature.","salesMarkdown":"## Bidirectional 18V rail clamp in a 1.5 kW package It is a single bidirectional device, meaning one component protects against both positive and negative overvoltage events on the same line — useful on AC-coupled or bipolar signal paths where polarity is not fixed. At the clamping voltage of 32.2 V max, the peak current reaches 46.6 A — enough for many industrial and automotive transient scenarios without cascading to a larger package. ## Breakdown and clamping margins for BOM fit Minimum breakdown voltage is 20 V, which sits 2 V above the 18 V reverse standoff. This gap gives headroom for normal rail ripple and tolerance without nuisance clamping. The maximum clamping voltage of 32.2 V sets the upper bound the downstream circuitry must survive — factor that into the derating of any DC-DC converter input or linear regulator fed from this rail. No power line protection feature is claimed — this is a signal or low-power rail protector, not a mains-side suppressor. Sourced to order against BOM quantities; confirm current lead time and pricing at quote time through the RFQ process.","metaTitle":"SMCJ18CE3/TR13 – Microchip 1.5kW Bidirectional TVS Diode","metaDescription":"SMCJ18CE3/TR13: 18V standoff, 20V breakdown, 32.2V clamp at 46.6A, 1.5kW peak pulse, bidirectional Zener TVS in DO-214AB. 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-214AB, SMC","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"SMCJ18","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Voltage - Breakdown (Min)":"20V","Voltage - Clamping (Max) @ Ipp":"32.2V","Voltage - Reverse Standoff (Typ)":"18V","Current - Peak Pulse (10/1000µs)":"46.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5850","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SMCJ18CE3/TR13 and SMCJ18A?","answer":"The SMCJ18CE3/TR13 is a bidirectional TVS (one device clamps both polarities), whereas the SMCJ18A is unidirectional — it protects only against positive transients relative to ground. For an AC signal or a bipolar supply rail, the bidirectional version saves a second diode. Both share the same DO-214AB footprint and 1.5 kW peak pulse rating."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMCJ18CE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMCJ18CE3-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}}