The B72590T0140L060V39 is a 16V 20A through-hole RoHS-compliant varistor manufactured by TDK. It is a metal oxide semiconductor device with a built-in fusing action that provides transient suppression for applications such as power supplies, motor controllers, and other circuits. It has a maximum rated voltage of 37V and a maximum overload capacity of 20A. Its maximum rated surge current is 600A and its maximum response time is 0.7 ms. This device is axially-leaded and offers excellent resistivity against electrical noise. It has excellent noise suppressing and surge current absorbing capabilities, making it ideal for protecting circuits against transient surges.