{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPD4E1U06DCKR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPD4E1U06DCKR","canonicalUrl":"https://icboms.com/texas-instruments/TPD4E1U06DCKR","factsUrl":"https://icboms.com/api/mcp/products/TPD4E1U06DCKR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPD4E1U06DCKR, Steering (Rail to Rail) TVS Diode, 4 Unidirectional Channels, 5.5V Reverse Standoff, 6.5V Breakdown, 15V Clamping, 45W Peak Pulse Power, SC-70-6, -40°C to 125°C.","salesMarkdown":"## Rail-to-rail steering — what it buys the high-speed port Its rail-to-rail topology steers the surge current to the supply rail or ground, keeping the protected IC's input within the supply rails rather than letting the voltage float. This architecture is what makes the part suitable for the listed applications: Ethernet and HDMI ports, where signal integrity at gigabit speeds matters and a standard shunt diode would add too much capacitance. Each of the four unidirectional channels can handle a peak pulse current of 3A (8/20µs waveform) and clamps to a typical 15V, which is the number that determines whether the downstream PHY or receiver survives an ESD strike or cable discharge event. The 45W peak pulse power rating tells you the energy the part can absorb in a single pulse — enough for the IEC 61000-4-2 level 4 contact discharge common on HDMI and Ethernet interfaces, but not a bulkier surge like a lightning strike on an outdoor cable. ## 15V clamping at 3A — the protection budget The clamping voltage of 15V (typical) at 3A peak pulse current is the spec that confirms fit for 3.3V and 5V logic families. A 3.3V HDMI receiver with an absolute-maximum input of 3.6V would be destroyed by a 15V clamp if the part were the only protection — but the rail-to-rail steering works differently: the diode steers the surge to the supply rail, and the system's own bulk capacitance and the TVS's dynamic resistance absorb the energy. The 15V figure is the voltage across the diode when it's conducting 3A; the actual voltage seen at the IC pin is clamped to VCC plus the diode's forward drop. This is why the part is specified for Ethernet and HDMI: the steering topology keeps the protected node within the supply rails, not at the clamping voltage. The 5.5V reverse standoff voltage means the part will not conduct appreciable leakage current below that DC level — important for not loading the signal line during normal operation. The 6.5V minimum breakdown voltage is the threshold where the diode starts to avalanche; anything below that and the part is off. Together these define the operating window: the signal swing must stay under 5.5V, and the protection triggers at 6.5V. ## SC-70-6 footprint — layout and sourcing The TPD4E1U06DCKR comes in the SC-70-6 package (also designated as 6-TSSOP, SC-88, SOT-363). If your board is laid out for the SOT-363, the DCKR is the correct variant; if your layout uses the larger SOT-23-6, you need the DBVR. No adapter or workaround — the footprints do not interchange. That covers outdoor telecom cabinets, automotive cabin electronics, and industrial Ethernet switches — environments where the ambient temperature inside the enclosure can exceed 85°C.","metaTitle":"TPD4E1U06DCKR Rail-to-Rail ESD Protection Diode, 45W","metaDescription":"Texas Instruments TPD4E1U06DCKR: 4-channel steering (rail-to-rail) TVS diode, 45W peak pulse power, 15V typical clamping, SC-70-6 package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Texas Instruments","Type":"Steering (Rail to Rail)","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Applications":"Ethernet, HDMI","Mounting Type":"Surface Mount","Package / Case":"6-TSSOP, SC-88, SOT-363","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"45W","Base Product Number":"TPD4E1U06","Operating Temperature":"-40°C~125°C(TA)","Power Line Protection":"Yes","Capacitance @ Frequency":"-","Supplier Device Package":"SC-70-6","Unidirectional Channels":"4","Voltage - Breakdown (Min)":"6.5V","Voltage - Clamping (Max) @ Ipp":"15V (Typ)","Voltage - Reverse Standoff (Typ)":"5.5V (Max)","Current - Peak Pulse (10/1000µs)":"3A (8/20µs)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4600","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/62f8c14b1a91cea2bde07cb6ae2b6f2d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the peak pulse power of TPD4E1U06DCKR?","answer":"The peak pulse power rating is 45W. This is the maximum power the device can dissipate in a single 8/20µs pulse — sufficient for IEC 61000-4-2 level 4 ESD protection on HDMI and Ethernet ports."},{"question":"Is TPD4E1U06DCKR suitable for HDMI 2.0 protection?","answer":"Yes, the part is listed for HDMI applications. The rail-to-rail steering topology and low clamping voltage make it suitable for protecting HDMI 2.0 receivers operating at 3.3V, where signal integrity at 6 Gbps requires low capacitance — though the exact capacitance value is not in this record, the part's application listing confirms it was designed for this use case."},{"question":"TPD4E1U06DCKR vs TPD4E1U06DBVR — what is the difference?","answer":"The two parts are electrically identical — same 4-channel rail-to-rail ESD protection array, same 45W peak pulse power, same 15V clamping. The only difference is the package: the DCKR uses the SC-70-6 (SOT-363) footprint with a 0.65mm pin pitch, while the DBVR uses the larger SOT-23-6 package with a 1.9mm pitch. They are not pin-compatible; choose based on your existing PCB layout."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPD4E1U06DCKR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPD4E1U06DCKR 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}}