The B72530T300K62V9 is a ThermoFuse varistor from EPCOS (TDK), designed to provide overvoltage protection with integrated thermal protection. This varistor combines surge protection with a thermal fuse that disconnects the varistor from the circuit in case of overheating, enhancing safety and preventing fire hazards. It is commonly used in applications where both surge protection and thermal safety are critical.

Applications

• Power supplies in electronic devices with safety requirements.
• Overvoltage protection in household appliances.
• Surge protection in lighting systems.
• Protection of telecommunication equipment.
• Industrial control systems where safety is paramount.

Features

• ThermoFuse Protection: Integrated thermal fuse for added safety.
• High Surge Current Capability: Provides protection against high-energy surges.
• Fast Response Time: Quickly clamps transient voltages.
• Leaded Package: Easy to mount on circuit boards.
• RoHS Compliant: Environmentally friendly and lead-free.

Benefits

• Enhanced Safety: Thermal fuse prevents overheating and potential fire hazards.
• Reliable Surge Protection: Protects electronic circuits from overvoltage events.
• Improved System Reliability: Extends the lifespan of protected devices.
• Easy Installation: Leaded package simplifies integration into electronic circuits.
• Compliance with Safety Standards: Meets industry safety standards for overvoltage protection.

Technical Specifications

Varistor Voltage: 30 V (typical)
Maximum Continuous Voltage (AC): 20 V (RMS)
Maximum Continuous Voltage (DC): 25 V
Surge Current (8/20 µs): 3000 A
Clamping Voltage: Varies depending on surge current level
Operating Temperature Range: -40 °C to +85 °C
Package: Leaded

The B72530T300K62V9 ThermoFuse varistor offers a high level of safety and reliable overvoltage protection for a variety of electronic applications, particularly where thermal safety is a concern.