{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5-0SMDJ40CAH","brand":"Eaton - Electronics Division","brandSlug":"eaton-electronics-division","productSlug":"5-0SMDJ40CAH","canonicalUrl":"https://icboms.com/eaton-electronics-division/5-0SMDJ40CAH","factsUrl":"https://icboms.com/api/mcp/products/5-0SMDJ40CAH","rawCanonicalId":null},"summary":{"shortDescription":"Eaton Electronics Division Zener TVS diode, 5-0SMDJ40CAH series, bidirectional 1-channel, 5000W peak pulse, 40V standoff, 44.4V breakdown min, DO-214AB (SMC) surface mount.","salesMarkdown":"## 5 kW peak pulse — what that means for the protection circuit The 5-0SMDJ40CAH: The 5000 W peak pulse rating at 10/1000 µs defines the energy this Zener TVS can absorb without failing — it is the primary selection axis for any transient suppression slot above commodity 400 W or 600 W parts. At 78 A peak pulse current the clamping network handles a substantial surge event, not just a ringing spike. Breakdown is specified at a minimum 44.4 V, so the device turns on predictably above that threshold — the standoff of 40 V typ gives the protected rail its normal operating headroom without conduction leakage. A 24 V rail protected by this part sees roughly 2.7× margin in standby and a defined let-through ceiling during a surge. ## Automotive grade and thermal margin Belongs to the AEC-Q101-qualified 5-0SMDJxxH automotive series — the junction temperature rating of 150 °C takes the full automotive temperature band in stride, and the qualification flow covers temperature cycling, humidity bias, and surge life that a commercial-grade TVS does not. Bidirectional, single channel — polarity protection is not the use case here; it clamps both polarities of the transient so it fits across a supply rail without biasing a reference.","metaTitle":"Eaton 5-0SMDJ40CAH TVS Diode, 5000W Peak, 40V Standoff","metaDescription":"Eaton 5-0SMDJ40CAH bidirectional Zener TVS diode, 5000W peak pulse, 40V standoff, 44.4V breakdown, AEC-Q101 automotive. Available to order via RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Eaton - Electronics Division","Type":"Zener","Series":"Automotive, AEC-Q101, 5-0SMDJxxH","Package":"Tape & Reel (TR)","Applications":"Automotive, Telecom","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Active","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)":"44.4V","Voltage - Clamping (Max) @ Ipp":"64.5V","Voltage - Reverse Standoff (Typ)":"40V","Current - Peak Pulse (10/1000µs)":"78A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9945","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/712c385a708c60f1cafd35f915ff0c0d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What series does the 5-0SMDJ40CAH belong to?","answer":"The automotive qualification is the distinguishing trait versus a standard commercial TVS in the same SMB/DO-214AB footprint."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/eaton-electronics-division/5-0SMDJ40CAH","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/5-0SMDJ40CAH 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}}