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VDRS20W385BSE
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VDRS20W385BSE Product Encyclopedia Entry

Introduction

The VDRS20W385BSE is a versatile electronic component designed for use in various applications. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Surge Protection
  • Characteristics: High voltage tolerance, fast response time
  • Package: SMD (Surface Mount Device)
  • Essence: Voltage Dependent Resistor (VDR)
  • Packaging/Quantity: Reel packaging, 3000 units per reel

Specifications

  • Voltage Rating: 385V
  • Power Rating: 20W
  • Tolerance: ±10%
  • Operating Temperature Range: -40°C to 85°C
  • Lead-Free/RoHS Compliant: Yes

Detailed Pin Configuration

The VDRS20W385BSE has a standard SMD pin configuration with two terminals for surface mounting onto PCBs.

Functional Features

  • Surge Protection: Provides reliable protection against voltage surges and transients.
  • Fast Response Time: Reacts quickly to voltage spikes, safeguarding connected circuits.

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • RoHS compliant

Disadvantages

  • Limited to specific voltage ratings
  • Requires proper installation for optimal performance

Working Principles

The VDRS20W385BSE operates based on the principle of voltage-dependent resistance. When subjected to high voltages, it exhibits a significant decrease in resistance, diverting excess current away from sensitive components.

Detailed Application Field Plans

The VDRS20W385BSE is suitable for various applications, including: - Power supply units - Industrial equipment - Telecommunications devices - Consumer electronics

Detailed and Complete Alternative Models

For users seeking alternative models, the following options are available: 1. VDRX25W400CDE - Voltage Rating: 400V - Power Rating: 25W 2. VDRZ30W450FEG - Voltage Rating: 450V - Power Rating: 30W 3. VDRY18W360AJK - Voltage Rating: 360V - Power Rating: 18W

In conclusion, the VDRS20W385BSE offers reliable surge protection and fast response times, making it a valuable component in various electronic applications.

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  1. What is VDRS20W385BSE?

    • VDRS20W385BSE is a type of high-power wirewound resistor commonly used in technical solutions to control current flow and dissipate heat.

  2. What are the key specifications of VDRS20W385BSE?

    • VDRS20W385BSE typically has a power rating of 20 watts, a resistance value of 385 ohms, and a wirewound construction for high performance.

  3. How can VDRS20W385BSE be used in technical solutions?

    • VDRS20W385BSE can be used as a load resistor, in power supplies, motor controls, instrumentation, and other applications where precise current control and heat dissipation are required.

  4. What are the temperature ratings for VDRS20W385BSE?

    • VDRS20W385BSE is designed to operate within a wide temperature range, typically from -55°C to +275°C, making it suitable for various environmental conditions.

  5. Is VDRS20W385BSE suitable for high-power applications?

    • Yes, VDRS20W385BSE is specifically designed for high-power applications where stable and reliable resistance is essential.

  6. Are there any safety considerations when using VDRS20W385BSE?

    • It's important to ensure proper heat dissipation and mounting to prevent overheating, and to follow manufacturer guidelines for safe usage.

  7. Can VDRS20W385BSE be used in automotive applications?

    • Yes, VDRS20W385BSE can be used in automotive systems such as electronic control units (ECUs), lighting, and power distribution.

  8. What are the typical failure modes of VDRS20W385BSE?

    • Common failure modes include excessive heat leading to thermal stress, overloading, or mechanical damage. Proper derating and installation can mitigate these risks.

  9. Does VDRS20W385BSE require any special handling during installation?

    • Care should be taken to avoid mechanical shock and excessive bending of the leads during installation to prevent damage to the resistor.

  10. Where can VDRS20W385BSE be sourced from?

    • VDRS20W385BSE can be sourced from authorized distributors, electronic component suppliers, and directly from the manufacturer's official channels.