BOURNS Thermal Cut Off Fuse, 25A, 28V, 82°C

The BOURNS Thermal Cut Off Fuse is a miniature thermal cutoff device (TCO) rated for 25A at 28V DC. It provides rapid and reliable protection against abnormal, excessive current, cutting off virtually instantaneously up to the rated limits. This fuse is specifically designed for overtemperature and overcurrent protection in lithium polymer and prismatic cells.

With a functioning temperature of 82°C and a minimum reset temperature of 40°C, it ensures safe operation by permanently disconnecting the circuit when overheating is detected. The surface-mount (SMD) terminals allow for compact and efficient PCB integration.

Key Features

• Rated current: 25A
• Rated voltage: 28V DC
• Functioning temperature: 82°C
• Holding temperature: 40°C
• Reset temperature: 40°C (minimum)
• Compact SMD package with a body thickness of just 1.07mm
• Rapid response to excessive current
• Suitable for overtemperature and overcurrent protection

This thermal cutoff fuse is an essential safety component for battery management systems, ensuring reliable protection against thermal runaway in lithium-based cells.