The BOURNS TBU-CA085-050-WH is a bidirectional Transient Blocking Unit (TBU) designed to protect against overvoltage transients. With a high voltage rating of 850V and a clamping voltage of 425V, this compact DFN surface-mount device offers fast response time of 1us to safeguard sensitive electronic components. Ideal for applications requiring reliable overvoltage protection, the TBU-CA085-050-WH comes packaged in tape and reel for automated assembly processes.