This product video is brought to you by Mouser Electronics, an authorized distributor of TDK components.
The EPCOS / TDK MT25 ThermoFuse™ Varistors are a type of overvoltage protection component designed to safeguard sensitive electronic devices and circuits from damage caused by transient voltage spikes and surges. ThermoFuse™ varistors combine the functions of traditional varistors with thermal fuse elements, providing enhanced protection and reliability.
The ThermoFuse™ varistors exhibit nonlinear electrical characteristics, effectively clamping transient voltage spikes by conducting excess current away from the protected circuit. These varistors feature an integrated thermal fuse element that activates when the varistor exceeds its specified operating temperature. This thermal protection mechanism disconnects the varistor from the circuit, preventing thermal runaway and catastrophic failure.
The ThermoFuse™ varistors provide reliable overvoltage protection for a wide range of electronic applications, including power supplies, telecommunications equipment, industrial machinery, and consumer electronics. With their combination of varistor and thermal fuse technologies, MT25 ThermoFuse™ Varistors offer high energy absorption capabilities, ensuring effective protection against transient voltage events.
These varistors are available in compact surface-mount packages, making them suitable for integration into space-constrained PCB layouts.
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