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VDRS07B040BKE
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VDRS07B040BKE

Product Overview

  • Category: Voltage Dependent Resistor (VDR)
  • Use: Protects electronic circuits from overvoltage surges
  • Characteristics: High energy absorption, fast response time, compact size
  • Package: Radial leaded disc type
  • Essence: Safeguarding electronic components from voltage spikes
  • Packaging/Quantity: Typically packaged in reels of 1000 units

Specifications

  • Voltage Rating: 40V
  • Maximum Allowable Voltage: 31V
  • Nominal Discharge Current: 5kA
  • Capacitance: 100pF
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  • Pin 1: Anode
  • Pin 2: Cathode

Functional Features

  • Rapid response to voltage surges
  • Absorbs and dissipates excess energy
  • Provides stable protection against transient overvoltages

Advantages

  • Compact design
  • High energy absorption capacity
  • Fast reaction time to voltage spikes

Disadvantages

  • Limited lifespan after multiple surge events
  • Requires replacement after significant surges

Working Principles

The VDRS07B040BKE operates by exhibiting a high resistance at normal operating voltages, but rapidly switches to a low resistance state when subjected to overvoltage conditions. This allows it to divert the excessive energy away from sensitive electronic components.

Detailed Application Field Plans

  • Power supplies
  • Telecommunication equipment
  • Industrial control systems
  • Consumer electronics

Detailed and Complete Alternative Models

  1. VDRS05B030BKE

    • Voltage Rating: 30V
    • Maximum Allowable Voltage: 23V
    • Nominal Discharge Current: 3kA
    • Capacitance: 80pF
    • Operating Temperature Range: -40°C to +85°C

  2. VDRS10B050BKE

    • Voltage Rating: 50V
    • Maximum Allowable Voltage: 39V
    • Nominal Discharge Current: 7kA
    • Capacitance: 120pF
    • Operating Temperature Range: -40°C to +85°C

This concludes the entry for VDRS07B040BKE, a crucial component in protecting electronic circuits from overvoltage surges.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του VDRS07B040BKE σε τεχνικές λύσεις

  1. What is VDRS07B040BKE?

    • VDRS07B040BKE is a type of varistor, also known as a voltage-dependent resistor, used to protect electrical and electronic devices from overvoltage conditions.

  2. What are the key specifications of VDRS07B040BKE?

    • VDRS07B040BKE has a maximum AC voltage of 40V, a peak current of 8000A, and a maximum energy absorption capability of 0.1J.

  3. How is VDRS07B040BKE typically used in technical solutions?

    • VDRS07B040BKE is commonly used in surge protection circuits for power supplies, telecommunications equipment, and industrial control systems to safeguard against transient voltage spikes.

  4. What are the operating temperature ranges for VDRS07B040BKE?

    • VDRS07B040BKE has an operating temperature range of -40°C to +85°C, making it suitable for various environmental conditions.

  5. Can VDRS07B040BKE be used in automotive applications?

    • Yes, VDRS07B040BKE is suitable for automotive electronics applications where protection against voltage surges is required.

  6. Are there any specific mounting considerations for VDRS07B040BKE?

    • VDRS07B040BKE can be surface-mounted or through-hole mounted, and proper attention should be given to the layout and proximity to other components for optimal performance.

  7. What are the failure modes of VDRS07B040BKE?

    • VDRS07B040BKE can fail in either a short-circuit mode or an open-circuit mode when subjected to excessive voltage or current stress.

  8. Is VDRS07B040BKE RoHS compliant?

    • Yes, VDRS07B040BKE is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental friendliness.

  9. What are the typical applications where VDRS07B040BKE is not recommended?

    • VDRS07B040BKE may not be suitable for precision analog circuits or low-voltage signal conditioning applications due to its inherent non-linear characteristics.

  10. How does VDRS07B040BKE compare to other varistors in terms of performance and reliability?

    • VDRS07B040BKE offers high surge current capability and reliable overvoltage protection, making it a preferred choice for many technical solutions requiring robust transient voltage suppression.