The PTCCS25H650DTE002 is a Positive Temperature Coefficient (PTC) thermistor manufactured by Vishay. This component is primarily designed for overcurrent protection applications, providing a resettable solution for safeguarding circuits from excessive current draw. The 'PTCCS' designation indicates a surface-mount PTC thermistor, while the subsequent numbers and letters define its specific electrical characteristics, dimensions, and temperature response.

Applications

• Overcurrent protection in USB ports
• Protection of speaker systems from excessive power
• Overcurrent protection in battery chargers
• Protection of automotive electronic circuits
• General circuit protection in electronic devices

Features

• Surface mount design for automated assembly
• Positive Temperature Coefficient (PTC) characteristics
• Resettable overcurrent protection
• Compact size
• Fast tripping time
• Low resistance in normal operation
• RoHS compliant

Benefits

• Provides reliable overcurrent protection without fuse replacement
• Reduces downtime due to overcurrent faults
• Allows for automatic recovery after a fault condition is cleared
• Saves space on the printed circuit board
• Reacts quickly to overcurrent events, minimizing potential damage
• Minimizes power loss during normal operation
• Meets environmental regulations

Additional Details

The PTCCS25H650DTE002 operates by increasing its resistance sharply when the current exceeds a specific threshold. This increase in resistance limits the current flow, protecting downstream components. Once the overcurrent condition is removed, the thermistor cools down, and its resistance returns to its normal low value, allowing the circuit to resume operation. The hold current, trip current, and maximum voltage ratings are crucial parameters for selecting the appropriate PTC thermistor for a given application. The surface mount design facilitates automated assembly, reducing manufacturing costs. Refer to the Vishay datasheet for complete electrical and thermal characteristics, including resistance values, temperature coefficients, and mechanical dimensions.