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SESD0402X1BN-0010-098

onsemi single-channel ESD diode, 0.4pF, 5V VRWM, 15kV IEC, 0402 package

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Manufacturer Part：

SESD0402X1BN-0010-098

Package：

0402 (1.0mm x 0.5mm, 1005 metric)

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Description

Product Overview

The SESD0402X1BN-0010-098 from onsemi is a single-channel unidirectional ESD protection diode in an ultra-compact 0402 (1005 metric) package. With an ultra-low capacitance of 0.4pF and 15kV IEC 61000-4-2 contact discharge rating, it provides robust electrostatic discharge protection for high-speed data lines without degrading signal integrity.

Key Specifications

Channels 1 (unidirectional)
Working Voltage (VRWM) 5V
Breakdown Voltage (VBR) 6.5V min @ 1mA
Clamping Voltage (VC) 9.8V max @ IPP=2A
Capacitance 0.4pF (typical @ 0V, 1MHz)
Leakage Current 0.1uA max @ 5V
ESD Rating IEC 61000-4-2 plus/minus 15kV contact/air
Peak Pulse Current (IPP) 5A (8/20us)
Package 0402 (1.0mm x 0.5mm)

Features

  • Ultra-low 0.4pF capacitance preserves high-speed signal integrity
  • IEC 61000-4-2 plus/minus 15kV contact and air discharge protection
  • 9.8V max clamping voltage at 2A for reliable downstream protection
  • 0.1uA max leakage current minimizes power waste
  • 0402 footprint for densest PCB layouts

Applications

  • USB 2.0 data line ESD protection
  • HDMI and DisplayPort interface protection
  • RF antenna port ESD shielding
  • High-speed digital bus protection (SPI, UART, I2C)
  • Mobile device connector protection

The SESD0402X1BN-0010-098 from onsemi is a single-channel unidirectional ESD protection diode designed for high-speed data line protection in the smallest possible footprint. The 0402 (1005 metric) package occupies minimal PCB area while providing IEC 61000-4-2 protection up to plus/minus 15kV for both contact and air discharge. The ultra-low capacitance of 0.4pF ensures that signal integrity is maintained even on multi-gigabit data lines. The device clamps ESD events to a maximum of 9.8V at 2A peak pulse current, providing reliable protection for downstream ICs with 5V tolerant I/O. With a maximum leakage current of only 0.1uA at the working voltage, the SESD0402X1BN draws negligible power from the protected line, making it suitable for battery-operated devices.

The SESD0402X1BN-0010-098 operates as a voltage-clamping device. Under normal operating conditions (signal voltage below 5V), the diode is in its high-impedance off state, drawing less than 0.1uA leakage current and presenting only 0.4pF of capacitive loading to the signal line. When an ESD transient exceeds the breakdown voltage (6.5V minimum), the diode avalanches and conducts the surge current to ground, clamping the voltage seen by the protected IC to a maximum of 9.8V at 2A. The unidirectional configuration provides protection against positive ESD transients and is optimized for 5V logic lines. The extremely low capacitance is achieved through onsemi’s proprietary SESD (Surface Mount ESD) technology, which minimizes the junction area while maintaining robust ESD energy handling capability.

Pin Name Function
1 I/O Protected Line
2 GND Ground
  • USB 2.0 protection: Guard D+/D- lines against cable ESD events with 0.4pF loading that does not affect 480Mbps signal quality
  • HDMI interface: Protect high-speed TMDS data channels on HDMI connectors in TVs and monitors
  • RF antenna ports: Shield RF signal paths from electrostatic discharge without degrading antenna matching
  • Mobile device connectors: Protect USB-C, headphone, and SIM card connector pins from user-handling ESD
  • High-speed digital buses: Add ESD protection to SPI, I2C, and UART lines with minimal capacitive impact
Model Brand Capacitance VRWM Package
PRTR5V0U2X NXP 1pF 5V SOT-143
ESD5V0U1U-2LS onsemi 0.5pF 5V 0402
TSD05C Semtech 0.3pF 5V 0402
PESD5V0S1BA NXP 15pF 5V SOD-323
TPD1E05U06DPYR TI 0.5pF 5V 0402
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