ERZ-E11A471CS Encyclopedia Entry

Product Overview

The ERZ-E11A471CS belongs to the category of electronic components and is specifically a varistor. Varistors are used to protect electrical circuits from excessive voltage surges by rapidly changing resistance as the applied voltage changes. The ERZ-E11A471CS is commonly used in power supplies, telecommunication equipment, and consumer electronics due to its ability to absorb transient energy and protect sensitive components. Its characteristics include high energy absorption capability, fast response time, and compact package size. The varistor is typically packaged individually and is available in various quantities to suit different application needs.

Specifications

• Model: ERZ-E11A471CS
• Voltage Rating: 470V
• Maximum Allowable Voltage: 775V
• Nominal Diameter: 11mm
• Maximum Clamping Voltage: 775V
• Peak Current (8/20μs): 4500A
• Operating Temperature Range: -40°C to +85°C
• Packaging: Individual packaging, available in various quantities

Detailed Pin Configuration

The ERZ-E11A471CS varistor has a disc shape with two axial leads for connection. The pin configuration includes one lead connected to the inner electrode and the other lead connected to the outer electrode, allowing for easy integration into circuit designs.

Functional Features

• Rapid response to voltage surges
• High energy absorption capability
• Reliable protection for sensitive electronic components
• Compact design for space-constrained applications

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Fast response time
• Compact size for versatile integration

Disadvantages

• Limited lifespan after repeated surges
• Sensitivity to extreme temperature conditions

Working Principles

The varistor operates based on the principle of voltage-dependent resistance. When a voltage surge occurs, the varistor's resistance decreases, diverting excess current away from the protected circuit. This rapid change in resistance helps prevent damage to connected devices by limiting the voltage across them.

Detailed Application Field Plans

The ERZ-E11A471CS varistor finds extensive use in various applications, including: - Power supply units - Surge protectors - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

1. ERZ-E11A431CS: Similar specifications with a lower voltage rating
2. ERZ-E11A511CS: Higher voltage rating and clamping voltage
3. ERZ-E11A391CS: Lower voltage rating with similar energy absorption capability

In conclusion, the ERZ-E11A471CS varistor offers reliable protection against voltage surges and is widely applicable in diverse electronic systems. Its compact design and high energy absorption make it a valuable component in safeguarding sensitive electronics.

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