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Surge Absorber Device(NSAD series)
Features
Absorption Devices for Electrostatic Discharge and Surge Absorption
The NSAD and NNCD (NEC Noise-Clipping Diode) are diodes developed by NEC for ESD (Electrostatic Discharge) and surge absorption.
Countries worldwide have adopted EMC (Electromagnetic Compatibility) regulations. EMC regulations address EMS (Electromagnetic Susceptibility) requirements, and one of those EMS requirements is the control of ESD.
NECs IEC 61000-4-2 EMI (Electromagnetic Interference) tests demonstrate that NECs NSAD and NNCD series diodes meet the ESD requirements outlined in IEC Pub. 801-2.
The NSAD series are devices that support high-speed data communication.
A bit error occurs when using an existing device, due to high-speed data communication with USB 2.0, IEEE 1394, and 100BASE.
To avoid the bit error, ESD protection devices with low capacitance are required. The NSAD series can support high-speed signals thanks to even lower capacitance (3.5 pF).
USB 1.1 (12 Mbps): Allowable capacitance = 20 pF max.
USB 2.0 (480 Mbps)
