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TDK ESD Notch Filters | New Product Brief

January 30, 2021 by Mouser Electronics

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

TDK ESD Notch Filters

TDK’s AVRF series of ESD Notch Filters provide ESD protection and noise filtering in a compact device with performance ideally suited to use on audio signal lines in applications wireless headphones and earbuds, hearing aids, smart speakers, and more. 

The AVRF series offers ESD protection up to 8kV, while the notch filter performance provides a 20dB minimum insertion loss. Parts are available with various voltage ratings and notch frequencies from 1GHz to 2.7GHz to suppress noise from sources such as Wi-Fi, Bluetooth, and cellular radios. 

The AVRF offers low THD plus noise performance, making it an ideal solution for high sound quality applications. TDK AVRF ESD Notch Filters are offered in 0201 and 0402 case sizes, ideal for space-constrained designs. 

  • ESD Test Pass Voltage: 8kV (IEC61000-4-2) 
  • Insertion Loss: 20dB minimum at center frequency 
  • Rated voltage: 3.5V, 5.5V, 7V, 12V, 28V 
  • Notch Filter Frequencies: 1GHz, 2.1GHz, 2.4GHz, 2.7GHz 
    • Ideal for Wi-Fi, Bluetooth, and cellular radios 
  • Low THD+N 
    • Provides ESD protection and noise filtering without degrading audio 
  • Case sizes: 
    • AVRF06: 0201 (0.6mm x 0.3mm) 
    • AVRF10: 0402 (1.0mm x 0.5mm) 

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