TPD4E1U06DCKR - 0.8pF Quad ESD Protection TVS | Texas Instruments
MPN: TPD4E1U06DCKR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.42 | $0.42 |
| 10 | $0.38 | $3.80 |
| 100 | $0.29 | $29.00 |
| 500 | $0.24 | $120.00 |
| 1,000 | $0.19 | $190.00 |
| 3,000 | $0.16 | $480.00 |
TPD4E1U06DCKR Overview
An ESD protection device is a type of transient voltage suppressor (TVS) that clamps electrostatic discharge and cable-discharge events before they reach sensitive IC pins. Within the power and signal integrity hierarchy, it sits under circuit protection -> TVS diode -> ESD protection array, complementing port controllers and transceivers. Because modern high-speed interfaces carry data at hundreds of Mbps to multiple Gbps, protection devices must add minimal capacitive loading; a low-capacitance array like this one preserves signal eye diagrams on USB, HDMI, and LVDS lines.
Key differentiating features include the 0.8-pF per-channel line capacitance, the quad-channel integration that protects four lines in a single 2.0 mm x 1.25 mm footprint, IEC 61000-4-2 level performance of ±15 kV air gap and ±8 kV contact discharge, and a unidirectional clamp structure suited to single-ended data and power lines. The 5.5 V reverse standoff voltage makes it usable on 5 V and 3.3 V rails as well as low-voltage data lines.
Architecturally, each channel is a forward-biased silicon avalanche diode arrangement that steers surge current to ground with fast response, dissipating ESD strikes above the maximum level specified by the IEC 61000-4-2 international standard. The ultra-low junction capacitance is achieved through TI's small-geometry diode process, minimizing insertion loss at high data rates.
Typical applications include USB 2.0 and USB 3.x port protection, high-speed digital data lines in portable electronics, and industrial communication interfaces such as RS-485 or Ethernet aux lines. Any interface with 1-4 exposed lines and a 5.5 V or lower supply benefits.
Design consideration: keep the TPD4E1U06 close to the connector with a short, low-inductance ground return; ground lead inductance dominates residual clamp voltage during an 8/20 us surge.
This page synthesizes distributor pricing, drop-in alternatives including the TPD4E1B06DCKR and TPD4S009DCKR, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for TPD4E1U06DCKR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with TPD4E1U06DCKR (same form factor and footprint) — differing in Package, RoHS Status, MSL Level, Operating Temperature, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TPD4E1B06DCKR
✅ Drop-In📋 Reference alternative (not in catalog)
TPD4S009DCKR
✅ Drop-In📋 Reference alternative (not in catalog)
TPD4E05U06DCKR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TPD2E1U06DCKR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
TPD4E1U06DCKR Specifications
| Product Type | Quad-channel unidirectional ESD protection TVS diode array |
| Channels | 4 |
| Line Capacitance | 0.8 pF per channel |
| Reverse Standoff Voltage | 5.5 V |
| Breakdown Voltage | 6 V (typ) |
| Clamp Voltage | 15 V (typ) |
| Peak Pulse Current Ipp | 3 A (8/20 us) |
| ESD Rating | ±15 kV air gap / ±8 kV contact (IEC 61000-4-2) |
| Polarity | Unidirectional |
| Package | SC-70-6 (SOT-363 / DCK) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C |
| Applications | USB ports, high-speed data lines, portable electronics |
| RoHS Status | Compliant |
| MSL Level | 3 |
| Standards | IEC 61000-4-2 |
TPD4E1U06DCKR sc-70-6 (sot-363 / dck) Pin Configuration Guide
Pin configuration for TPD4E1U06DCKR (sc-70-6 (sot-363 / dck) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for TPD4E1U06DCKR.
Refer to the datasheet for full pin configuration.
Typical Applications
TPD4E1U06DCKR is suitable for 6 applications: USB 2.0 Port Protection, Portable Electronics Data Lines, Industrial Communication Interfaces, HDMI and Display Port Lines, Battery-Powered System Charge Ports, Test and Measurement Front Ends.
USB 2.0 Port Protection
The TPD4E1U06DCKR is a natural fit for USB 2.0 port protection because a single SC-70-6 component covers all four exposed lines: D+, D-, VBUS, and ID/CC. Its 5.5 V reverse standoff voltage supports the 5 V VBUS rail while the 0.8 pF per-channel capacitance keeps the 480 Mbps differential pair intact, adding negligible insertion loss at 240 MHz harmonic content. During an IEC 61000-4-2 ±8 kV contact strike on the connector shell or pin, the unidirectional channels steer surge current to ground with a typical 15 V clamp, below the absolute maximum of standard USB transceivers. Place the device within a few millimeters of the connector with a solid ground via pattern to minimize residual inductive overshoot during the 8/20 us surge waveform.
Recommended
Portable Electronics Data Lines
Smartphones, tablets, wearables, and handheld instruments expose external connector lines that users frequently touch or charge cables into, creating repeated human-body-model ESD threats. The TPD4E1U06DCKR suits these designs because it packs four protected channels into a 2.0 mm x 1.25 mm SC-70 footprint with sub-1 pF line capacitance, so it protects accessory and communication lines without consuming board area or degrading high-speed signaling. Its -40C to +125C operating range handles battery-compartment heat, and the PartGenie listing identifies portable electronics as its primary application area. Designers should route strike current directly to a low-impedance ground plane rather than sharing the analog ground return, since peak currents during an 8/20 us event reach 3 A and shared return paths can couple transients into sensitive analog circuits.
Recommended
Industrial Communication Interfaces
Industrial environments impose cable-discharge and induced-surge threats on RS-485, CAN, and Ethernet auxiliary lines, where long cable runs accumulate charge before connecting to equipment. The TPD4E1U06DCKR protects up to four such lines with a ±15 kV IEC 61000-4-2 air-gap capability and a 3 A (8/20 us) Ipp surge rating, absorbing strikes above the standard's maximum level per the TI datasheet. The -40C to +125C temperature range covers factory floor conditions, and the small SC-70 footprint lets protection sit directly at the terminal block or connector, ahead of the transceiver IC. Note that its 5.5 V standoff limits use to low-voltage interfaces; for 24 V industrial rails, a higher-standoff TVS should be placed in parallel. Residual 15 V clamp is compatible with typical 3.3 V and 5 V transceiver fault tolerance.
Recommended
HDMI and Display Port Lines
Consumer display interfaces expose high-speed TMDS or main-link pairs at connector pins where ESD strikes commonly occur during hot-plug events. The TPD4E1U06DCKR's 0.8 pF channel capacitance is acceptable for lower-rate display aux and DDC lines (I2C-based EDID reads at 100-400 kHz), and its quad channels can protect DDC clock, data, HPD, and 5 V power in one package. For the multi-Gbps TMDS or main-link pairs themselves, pair this device on the low-speed lines while selecting the lower-capacitance TPD4E05U06DCKR family member for the high-speed pairs. Clamping at a typical 15 V protects downstream receiver chips whose pins generally tolerate substantially higher transient stress, and the ±8 kV contact discharge rating exceeds the IEC 61000-4-2 level-4 requirement for consumer electronics.
Recommended
Battery-Powered System Charge Ports
Charge connectors on battery-powered systems accumulate user handling ESD and hot-plug cable discharge events directly onto charge-management lines. The TPD4E1U06DCKR protects the charger input, battery temperature (NTC) sense, and data pins of a USB-charge port with its 5.5 V standoff voltage and 3 A (8/20 us) Ipp capability, while adding only 0.8 pF to each line. Its unidirectional clamping suits positive-polarity charge rails, and quiescent power draw is effectively zero because TVS diodes conduct only during transients - important for battery-life-sensitive designs. Place the array between the connector and the charger IC, with a ground return sized for the 3 A peak surge; this prevents transient ground bounce from disturbing battery fuel-gauge measurements during a strike event.
Recommended
Test and Measurement Front Ends
Probe inputs, trigger lines, and control connectors on test and measurement equipment face frequent handling ESD from operators and cables. The TPD4E1U06DCKR protects external trigger, USB, and communication lines without loading signals, thanks to its 0.8 pF capacitance, which is critical where timing accuracy depends on edge fidelity. Its ±15 kV IEC 61000-4-2 performance absorbs lab-environment strikes, and the industrial temperature range supports bench instruments exposed to varied conditions. Instrument designers should verify that the 15 V typical clamp remains below the absolute maximum of the front-end amplifier or MCU pin being protected, and should model the 0.8 pF in any bandwidth calculation for trigger-path signal integrity above roughly 500 MHz.
Recommended
Recommended Products Summary
Engineering reference data for TPD4E1U06DCKR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TPD4E1B06DCKR | TPD4S009DCKR | TPD4E05U06DCKR | TPD2E1U06DCKR |
|---|---|---|---|---|---|
| Package | SC-70-6 (SOT-363) | SC-70-6 (SOT-363) - same | SC-70-6 - same footprint | SC-70-6 - same | SC-70-6 - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Channels | 4 | 4 | Multi-channel with power rail | 4 | 2 |
| IEC 61000-4-2 Rating | ±15 kV air / ±8 kV contact | ±15 kV air / ±8 kV contact | ±15 kV class | ±15 kV class | ±15 kV class |
| Special Feature | Quad-channel pure data-line ESD protection | Lower clamp (14.5 V) | Integrated power-rail clamping | Ultra-low 0.5 pF capacitance | Dual-channel cost/space saving |
Key Differentiators
- Quad-channel integration in the smallest common footprint (vs TPD2E1U06DCKR)
- Lower clamp voltage for sensitive ICs (vs TPD4E1B06DCKR)
- Pure data-line TVS simplicity (vs TPD4S009DCKR)
Design Notes
Place the TPD4E1U06DCKR within 5-10 mm of the protected connector, before any series elements, so strike current is intercepted first. Use a dedicated via pair from the ground pins to the ground plane; via inductance of roughly 1-2 nH each adds overshoot (V = L * di/dt) during an 8/20 us 3 A surge. Keep the protected trace short and wide (at least 0.3 mm) to minimize series inductance between the diode and the line.
The 5.5 V reverse standoff voltage means this part cannot sit directly on 12 V or 24 V rails - exceeding standoff causes sustained conduction and thermal failure. Also confirm the downstream IC pin tolerates the 15 V typical clamp voltage; most USB and MCU pins do, but some low-voltage analog inputs do not. Do not substitute the TPD4S009DCKR without a schematic review since its internal topology includes power-rail clamping that changes pin behavior.
The 0.8 pF channel capacitance adds insertion loss that scales with data rate. At USB 2.0 (480 Mbps) the impact is negligible, but at 5 Gbps SuperSpeed rates a 0.8 pF load on each 90-ohm differential pair can slightly degrade the eye height. Estimated: a 0.8 pF shunt capacitance presents about 40 ohms impedance at 5 GHz, so reserve this part for lines below roughly 2 Gbps or move to the 0.5 pF TPD4E05U06DCKR for faster pairs.
Compliance Information
RoHS compliant and MSL 3 per PartGenie compliance listing. REACH and halogen-free status not stated in provided data.
