The POZ3KN-1-102N-T04 is a zinc oxide varistor manufactured by Murata Electronics North America. It is designed to protect electronic circuits from transient voltage surges and overvoltage conditions. This varistor is part of the POZ series, known for its robustness and ability to handle high surge currents effectively.

Applications

• Power supplies
• LED lighting systems
• Industrial automation equipment
• Consumer electronics (TVs, appliances, etc.)
• Telecommunications equipment

Features

• Zinc oxide (ZnO) material
• High surge current handling capability
• Fast response to transient overvoltage
• Compact size
• Excellent voltage clamping characteristics
• RoHS compliant

Benefits

• Effective protection of sensitive electronic components from voltage surge damage.
• Increased reliability and lifespan of electronic devices.
• Cost-effective surge protection solution.
• Easy integration into various circuit designs due to its small size.
• Meets industry safety and environmental standards.

Additional Details

The POZ3KN-1-102N-T04 varistor's performance is characterized by its voltage rating and surge current handling capacity. The '102N' portion of the part number likely corresponds to a voltage rating around 10V, but it's essential to confirm this with the manufacturer's datasheet. These varistors clamp voltage spikes to a safe level, protecting components downstream. They are commonly used in circuits vulnerable to voltage surges from lightning, inductive load switching, or electrostatic discharge (ESD). Important selection criteria include the maximum continuous operating voltage, peak surge current, and energy absorption requirements of the application. The 'T04' suffix most likely refers to packaging or termination details. The Murata POZ series is known for providing high-quality varistors.

Varistors act as voltage-dependent resistors, exhibiting a high resistance at normal operating voltages but a low resistance when a transient voltage exceeds a defined threshold. This enables them to shunt excess current away from delicate components, thereby preventing damage.