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TPD4S009DCKR

4-ch ESD, 0.8pF, +/-8kV, 4GHz+ BW, 6-SC70, HDMI/USB2.0

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Manufacturer Part：

TPD4S009DCKR

Package：

6-SOT-SC70 (2.0 x 2.1 x 1.0 mm)

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Description

Product Overview

The TPD4S009DCKR from Texas Instruments is a 4-channel ultra-low capacitance ESD protection diode array for high-speed differential interfaces. In a 6-pin SOT-SC70 package, it offers only 0.8pF I/O capacitance with +/-8kV IEC contact protection, supporting data rates beyond 4GHz.

Key Specifications

Channels 4
Working Voltage 5.5V
I/O Capacitance 0.8pF (typical)
ESD Rating +/-8kV IEC contact
Clamping Voltage 20V
Breakdown Voltage 9V min
Peak Pulse Power 25W (8/20us)
Package 6-SOT-SC70 (2×2.1mm)

Features

  • Ultra-low 0.8pF I/O capacitance
  • 4GHz+ bandwidth (3-dB point)
  • Excellent capacitance matching between differential pairs
  • IEC 61000-4-2 Level 4 ESD protection
  • IEC 61000-4-5 surge protection (2.5A)
  • IOFF feature for powered-down isolation

Applications

  • HDMI 1.4/1.3 interface protection
  • USB 2.0 high-speed data lines
  • SATA and PCIe differential pairs
  • Ethernet PHY protection
  • LVDS and DisplayPort interfaces

The TPD4S009DCKR is a 4-channel TVS diode array providing ESD protection for high-speed differential data interfaces. With only 0.8pF typical I/O capacitance, it supports signal bandwidth exceeding 4GHz, making it ideal for HDMI, USB 2.0, SATA, and PCIe applications. The excellent capacitance matching (0.05pF differential in DRY package) minimizes signal distortion between differential pairs. The IOFF feature disconnects the protection structure when VCC is unpowered, preventing back-drive in hot-plug scenarios.

The TPD4S009 uses low-capacitance steering diodes on each I/O channel connected to a central TVS clamp. During normal operation, the diodes present minimal loading (0.8pF) to high-speed signals. When an ESD event occurs, the steering diodes quickly route the transient to the TVS clamp, which limits the voltage to 20V. The VCC pin powers the internal circuitry and provides an IOFF function: when VCC is removed, the I/O pins become high-impedance, preventing leakage paths that could disrupt powered-down systems.

Pin Name Type Function
1 IO1 I/O ESD protection channel 1
2 GND Power Ground
3 IO2 I/O ESD protection channel 2
4 IO3 I/O ESD protection channel 3
5 VCC Power Supply input
6 IO4 I/O ESD protection channel 4
  • HDMI 1.4 source and sink connector protection
  • USB 2.0 D+/D- high-speed ESD clamping
  • SATA data pair ESD protection
  • Ethernet PHY transformer secondary protection
  • LVDS display interface ESD shielding
Manufacturer Part Number Package Notes
TI TPD4S010DQAR 10-VSSOP Flow-through layout option
TI TPD4E05U06DQAR 10-VSSOP P2P compatible, better IEC perf
onsemi NUP4112UCW1T1G SC-88 4-ch, 0.3pF, 5V
Nexperia IP4238CZ6 6-pin 4-ch ESD for USB2.0
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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