{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5-0SMDJ20CA","brand":"Eaton - Electronics Division","brandSlug":"eaton-electronics-division","productSlug":"5-0SMDJ20CA","canonicalUrl":"https://icboms.com/eaton-electronics-division/5-0SMDJ20CA","factsUrl":"https://icboms.com/api/mcp/products/5-0SMDJ20CA","rawCanonicalId":null},"summary":{"shortDescription":"Eaton 5-0SMDJ20CA, Zener TVS diode, bidirectional, 5kW peak pulse, 20V standoff, 32.4V clamping max, 155A peak pulse, SMC (DO-214AB), -55 to 150°C junction, surface mount.","salesMarkdown":"## 5 kW peak pulse — what the clamping rating means for telecom rails The 5-0SMDJ20CA is a bidirectional Zener-based TVS in the SMC (DO-214AB) package, rated 5 kW peak pulse at 10/1000 µs. In telecom line-card hardware, a 20 V standoff Zener TVS typically guards Ethernet PHY rails, RS-485 bus interfaces, or power-over-Ethernet sense lines — circuits where clamping headroom matters because the protected load cannot tolerate the full transient amplitude but needs enough operating margin below the clamp ceiling. ## SMC/DO-214AB footprint and thermal considerations The DO-214AB (SMC) package lands on a footprint compatible with the common 2-pin TVS diode layout; the cathode band marks the anode-cathode polarity, and on a bidirectional device the polarity band is omitted. Thermal pad tab area on the PCB directly influences junction-to-ambient thermal resistance — the datasheet derating curve ties the allowed peak pulse current to the pad copper volume under the package. Operating junction temperature is rated -55 to 150 °C, so the thermal path from junction to ambient must stay within the 150 °C ceiling under worst-case transient loading. For telecom outdoor equipment the ambient can approach 85 °C, leaving limited headroom for a 5 kW transient event — verify the PCB pad design against the RthJA in the published datasheet.","metaTitle":"5-0SMDJ20CA 5kW TVS Diode, 20V Standoff, DO-214AB","metaDescription":"Eaton 5-0SMDJ20CA bidirectional TVS Zener, 5kW peak pulse, 20V standoff, 32.4V clamping, SMC/DO-214AB. Active — quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Eaton - Electronics Division","Type":"Zener","Series":"5-0SMDJ","Packaging":"Tape & Reel (TR) Cut Tape (CT)","Part Status":"Active","Applications":"Telecom","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"5000W (5kW)","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMC","Voltage - Breakdown (Min)":"22.2V","Voltage - Clamping (Max) @ Ipp":"32.4V","Voltage - Reverse Standoff (Typ)":"20V","Current - Peak Pulse (10/1000µs)":"155A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.0200","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8c0ec8ba5ed0811b2019ff45950d076d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/5-0SMDJ20CA/alternatives.json"},"ai":{"faq":[{"question":"What is the 5-0SMDJ20CA used for?","answer":"The 5-0SMDJ20CA is a Zener-type bidirectional TVS diode targeting telecom applications. Its 20 V standoff and 32.4 V clamping ceiling make it suited for protecting low-voltage signal rails — Ethernet PHY, RS-485, or PoE sense lines — against transient overvoltage on the line card."},{"question":"What package does the 5-0SMDJ20CA use?","answer":"Surface-mount SMC (DO-214AB). The two-pin package shares the industry-standard TVS footprint, with the cathode band indicating polarity on the unidirectional variant — this is the bidirectional 5-0SMDJ20CA, so both polarities are protected without a polarity band."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/eaton-electronics-division/5-0SMDJ20CA","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/eaton-electronics-division/5-0SMDJ20CA 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}}