Varistor with combined ESD and EMI protection for wireless audio equipment

October 10, 2019 //By Nick Flaherty
TDK's AVRF101U6R8KT242 varistor for audio equipment offers both ESD and EMI protection
TDK's AVRF101U6R8KT242 varistor for wireless audio equipment offers both ESD and EMI protection

TDK has expanded its range of chip varistors for wireless audio equipment adding protection against both ESD and EMI.

The AVRF101U6R8KT242 is intended for audio equipment that uses wireless communications in the 2.4 GHz band. The optimization of its capacitance of 6.8 pF means the multilayer component has a high attenuation at this frequency and is able to effectively suppress the generated TDMA noise and improve receiver sensitivity. It offers ESD protection according to IEC61000-4-2, Level 4 and has a maximum permissible circuit voltage of 28 V DC, making it suitable for high power class-D amplifiers. Key applications include smartphones, speakers and other wireless devices that operate in the 2.4-GHz band using wireless LAN and Bluetooth, for example.

TDK will continue to expand the product lineup in terms of chip sizes, bandwidth support range, and other specifications, in order to support a wide range of applications.

TypeDimensions
[mm]
Max. permissible
circuit voltage
[V]
Capacitance
[pF]
Max. 2.4-GHz
insertion loss
[dB]
AVRF101U6R8KT2421.0 x 0.5 x 0.5
(EIA0402inch)
286.8 pF ±10%-20 max.

product.tdk.com/info/en/catalog/datasheets/vpd_commercial_varistors_avrf_en.pdf


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