20KPA40A

Product Overview

Category

The 20KPA40A belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Voltage Suppression: Provides protection against voltage spikes and transients.
• Fast Response Time: Rapidly clamps transient voltages to safe levels.
• Low Leakage Current: Minimizes power consumption during normal operation.
• High Surge Capability: Capable of withstanding high surge currents.

Package

The 20KPA40A is typically available in a DO-201AD package.

Essence

The essence of the 20KPA40A lies in its ability to safeguard electronic circuits from voltage surges and transients, thereby enhancing the reliability and longevity of electronic equipment.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 20,000 W
• Standoff Voltage: 40 V
• Breakdown Voltage Range: 44.4 V to 49.1 V
• Maximum Clamping Voltage: 64.5 V
• Operating Temperature Range: -55°C to 175°C
• Package Type: DO-201AD

Detailed Pin Configuration

The 20KPA40A typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
• Fast Response Time: Quickly responds to transient events, minimizing the risk of damage to sensitive electronics.
• Low Clamping Voltage: Provides effective protection without introducing excessive voltage drop during normal operation.

Advantages and Disadvantages

Advantages

• High surge capability
• Fast response time
• Low leakage current

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The 20KPA40A operates by diverting excess transient energy away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient event occurs, the diode rapidly switches into its low-impedance state, shunting the excess energy to ground and preventing it from reaching downstream components.

Detailed Application Field Plans

The 20KPA40A is commonly employed in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 20KPA40A include: - 15KPA40A - 30KPA40A - 20KPA48A - 20KPA36A

In conclusion, the 20KPA40A transient voltage suppressor diode offers robust protection against transient voltage events, making it an essential component in safeguarding electronic circuits from damage. Its fast response time, high surge capability, and low leakage current make it a valuable asset in various electronic applications.

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