VDRS20W420BSE

Product Overview

The VDRS20W420BSE belongs to the category of Voltage Dependent Resistors (VDRs) and is designed for use in electrical and electronic circuits. These resistors are characterized by their ability to protect sensitive components from voltage surges and transients. The package includes a single VDR unit with specific electrical characteristics, and it is essential for safeguarding against overvoltage conditions. The packaging consists of a protective casing that encloses the VDR, and the quantity typically depends on the manufacturer's specifications.

Specifications

• Model: VDRS20W420BSE
• Category: Voltage Dependent Resistor
• Power Rating: 20W
• Voltage Rating: 420V
• Tolerance: ±10%
• Operating Temperature Range: -40°C to 85°C
• Package Type: Axial Lead

Detailed Pin Configuration

The VDRS20W420BSE features an axial lead configuration with two leads for easy integration into circuit boards. The pinout is as follows: 1. Lead 1: Connected to one end of the resistor 2. Lead 2: Connected to the other end of the resistor

Functional Features

• Overvoltage Protection: Safeguards sensitive components by limiting excessive voltage levels.
• Transient Suppression: Effectively suppresses transient voltage spikes to prevent damage to connected devices.
• High Power Dissipation: Capable of dissipating high levels of power during overvoltage events.

Advantages

• Effective protection against voltage surges
• Reliable transient suppression capabilities
• High power dissipation capacity

Disadvantages

• Tolerance of ±10% may require tighter control in some applications
• Limited effectiveness in continuous overvoltage conditions

Working Principles

The VDRS20W420BSE operates based on the principle of nonlinear resistance, where its resistance decreases as the applied voltage increases. This characteristic allows it to effectively limit the voltage across connected components, thereby protecting them from overvoltage events.

Detailed Application Field Plans

The VDRS20W420BSE finds extensive application in various electronic and electrical systems, including: - Power Supplies - Surge Protectors - Inverters - Industrial Equipment - Consumer Electronics

Detailed and Complete Alternative Models

1. VDRS15W320BSE

   • Power Rating: 15W
   • Voltage Rating: 320V
   • Tolerance: ±10%
   • Package Type: Axial Lead

2. VDRS25W500BSE

   • Power Rating: 25W
   • Voltage Rating: 500V
   • Tolerance: ±10%
   • Package Type: Axial Lead

3. VDRS30W600BSE

   • Power Rating: 30W
   • Voltage Rating: 600V
   • Tolerance: ±10%
   • Package Type: Axial Lead

In conclusion, the VDRS20W420BSE is a vital component in electronic circuits, providing essential overvoltage protection and transient suppression capabilities. Its robust design and functional features make it a valuable asset in various applications, ensuring the safety and reliability of connected equipment.

Word count: 398