The B72214S2271K101 is a varistor manufactured by TDK. It is a 14mm radial varistor, rated for 275V in RMS power. This part is designed to absorb and dissipate electrical energy pulses and provide overvoltage protection for electronics. it features an operating voltage range between 14 and 24 VDC and a high surge current rating of 2.2 kA, making it ideal for protecting industrial electronics.