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V140LC20CPX340
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V140LC20CPX340 Encyclopedia Entry

Introduction

The V140LC20CPX340 is a specialized electronic component that belongs to the category of transient voltage suppressor (TVS) diodes. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protecting sensitive electronic components from voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMC (DO-214AB)
  • Essence: Safeguarding electronic circuits from overvoltage events
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Part Number: V140LC20CPX340
  • Peak Pulse Power Dissipation: 1500W
  • Breakdown Voltage: 140V
  • Clamping Voltage: 227V
  • Maximum Reverse Standoff Voltage: 114V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The V140LC20CPX340 TVS diode typically features a standard SMC (DO-214AB) package with two leads. The pin configuration includes anode and cathode terminals for easy integration into circuit designs.

Functional Features

  • Rapid response to transient voltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust protection
  • RoHS-compliant construction for environmental compatibility

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges and transients
  • Compact form factor for space-constrained applications
  • Wide operating temperature range for versatility

Disadvantages

  • Limited maximum breakdown voltage compared to some higher-rated TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection in complex systems

Working Principles

The V140LC20CPX340 operates by diverting excessive transient currents away from sensitive electronic components when subjected to voltage spikes. Upon detecting a surge, the diode rapidly conducts, clamping the voltage to a safe level and dissipating the excess energy as heat.

Detailed Application Field Plans

The V140LC20CPX340 finds extensive use in various electronic systems, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different specifications or performance characteristics, alternative TVS diode models include: - V130LA20CPX340 - V150LC20CPX340 - V160LC20CPX340 - V180LC20CPX340

In conclusion, the V140LC20CPX340 transient voltage suppressor diode offers effective protection against voltage surges and transients, making it a crucial component in safeguarding sensitive electronic circuits across diverse industries.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af V140LC20CPX340 i tekniske løsninger

  1. What is V140LC20CPX340?

    • V140LC20CPX340 is a type of varistor, also known as a voltage-dependent resistor, which is used to protect electronic circuits from overvoltage conditions.

  2. How does V140LC20CPX340 work?

    • V140LC20CPX340 operates by changing its resistance in response to the applied voltage, effectively diverting excess current away from sensitive components.

  3. What are the typical applications of V140LC20CPX340?

    • V140LC20CPX340 is commonly used in surge protection devices, power supplies, telecommunications equipment, and industrial control systems to safeguard against voltage spikes and transients.

  4. What is the maximum voltage rating of V140LC20CPX340?

    • The maximum voltage rating of V140LC20CPX340 is typically 140V, making it suitable for low to medium voltage protection applications.

  5. What is the energy absorption capability of V140LC20CPX340?

    • V140LC20CPX340 can absorb transient energy resulting from voltage surges, with its energy absorption capacity specified in joules or kilojoules.

  6. How should V140LC20CPX340 be connected in a circuit?

    • V140LC20CPX340 should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage away from sensitive components.

  7. What are the temperature and environmental considerations for V140LC20CPX340?

    • V140LC20CPX340 typically operates within a specified temperature range and may have environmental ratings such as moisture sensitivity levels (MSL) for proper handling and storage.

  8. Are there any reliability or lifespan considerations for V140LC20CPX340?

    • V140LC20CPX340 may have a specified lifespan or endurance rating, and its reliability under various operating conditions should be considered for long-term performance.

  9. Can V140LC20CPX340 be used in combination with other protective devices?

    • V140LC20CPX340 can be integrated into a comprehensive surge protection scheme alongside other devices such as fuses, circuit breakers, and gas discharge tubes for enhanced protection.

  10. What are the key specifications and characteristics to consider when selecting V140LC20CPX340 for a technical solution?

    • Key specifications to consider include voltage rating, energy absorption capacity, response time, size, mounting options, and compliance with industry standards such as UL, CSA, and IEC. Additionally, understanding the device's clamping voltage and peak current capabilities is crucial for effective application.