Texas Instruments ESD451 ±30kV ESD Protection Diode

Texas Instruments ESD451 ±30kV ESD Protection Diode is a bidirectional ESD protection diode for protecting data lines and other I/O ports. The ESD451 is rated to dissipate ESD strikes up to ±30kV per the IEC 61000-4-2 international standard (greater than Level 4). This device features a 0.5pF (typical) IO capacitance enabling high-speed interface protection for protocols such as USB 3.0. The extremely low dynamic resistance (0.19Ω) and clamping voltage (10.4V at 16A TLP) are specified for system-level protection against transient events.

The ±30kV ESD rating and 6.2A surge provide robust transient protection in a tiny package for protecting 5.5V power rails and data lines in portable electronics and other space-constrained applications such as wearables. The Texas Instruments ESD451 is offered in the industry standard 0201 (DPL) package.


  • IEC 61000-4-2 level 4 ESD protection
    • ±30kV contact discharge
    • ±30kV air gap discharge
  • IEC 61000-4-5 surge protection
    • 6.2A (8/20µs)
  • IO capacitance
    • 0.5pF (typical)
  • 8V (typical) DC breakdown voltage
  • 50nA (maximum) ultra-low leakage current
  • Extremely low ESD clamping voltage
    • 10.4V at 16A TLP
    • RDYN is 0.19Ω (I/O to GND)
  • 3.5GHz (–3dB bandwidth) low insertion loss
  • Supports high-speed interfaces up to 7Gbps
  • Industrial temperature range of –55°C to +150°C
  • Space-saving industry standard 0201 footprint (0.6mm × 0.3mm × 0.3mm)


  • End equipment
    • Vacuum robots
    • Wearables
    • Smart speakers
    • Portable electronics
    • Small appliances
    • Retail automation and payment
    • Laptops and desktops
    • TV and monitors
    • Docking stations
  • Interfaces
    • USB 2.0
    • HDMI™ 1.4 and 2.0
    • DisplayPort™
    • SIM card

Functional Block Diagram

Texas Instruments ESD451 ±30kV ESD Protection Diode
Published: 2023-08-02 | Updated: 2023-08-11