Littelfuse Inc.
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V251DB40
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V251DB40 Product Overview

Introduction

The V251DB40 is a versatile electronic component that belongs to the category of voltage regulators. This device is commonly used in various electronic applications to regulate and stabilize voltage levels, ensuring consistent and reliable performance of connected circuits and components.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: Stabilizing and regulating voltage levels in electronic circuits
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: TO-220
  • Essence: Ensuring stable and consistent voltage supply
  • Packaging/Quantity: Typically available in packs of 25 units

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 1.5V at 1A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The V251DB40 features a standard TO-220 package with three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (VOUT): Provides the regulated output voltage

Functional Features

  • High Precision: Provides accurate and stable output voltage regulation
  • Low Dropout Voltage: Minimizes power loss and heat dissipation
  • Thermal Shutdown Protection: Safeguards the device from overheating

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Wide input voltage range
  • Thermal protection for enhanced safety

Disadvantages

  • Limited maximum output current compared to higher-rated models
  • Higher dropout voltage than some competing models

Working Principles

The V251DB40 operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output voltage despite changes in input voltage or load conditions. This feedback mechanism ensures stable and precise voltage regulation.

Detailed Application Field Plans

The V251DB40 is widely used in various electronic applications, including: - Power supplies - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM317: A popular adjustable voltage regulator with similar characteristics - L7805: Fixed 5V voltage regulator suitable for many applications - LM2940: Low dropout voltage regulator for critical power-sensitive applications

In conclusion, the V251DB40 voltage regulator offers reliable and precise voltage regulation for a wide range of electronic applications, making it an essential component in modern electronic design and manufacturing.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací V251DB40 v technických řešeních

  1. What is V251DB40?

    • V251DB40 is a specific model of relay used in technical solutions for switching and control applications.

  2. What are the key features of V251DB40?

    • The key features of V251DB40 include its compact design, high switching capacity, and compatibility with various control systems.

  3. What voltage and current ratings does V251DB40 support?

    • V251DB40 typically supports voltage ratings up to 250V and current ratings up to 40A, making it suitable for a wide range of applications.

  4. How is V251DB40 typically used in technical solutions?

    • V251DB40 is commonly used for motor control, lighting control, heating control, and other industrial automation applications.

  5. Is V251DB40 compatible with different control signals?

    • Yes, V251DB40 is designed to be compatible with various control signals, including digital and analog inputs.

  6. What are the mounting options for V251DB40?

    • V251DB40 can be mounted on DIN rails or directly on panels, offering flexibility in installation.

  7. Does V251DB40 have built-in protection features?

    • Yes, V251DB40 often includes built-in protection against overcurrent and short circuits to ensure reliable operation.

  8. Can V251DB40 be integrated with PLCs or microcontrollers?

    • Yes, V251DB40 can be easily integrated with PLCs, microcontrollers, and other control devices through standard interfaces.

  9. Are there any special maintenance requirements for V251DB40?

    • V251DB40 generally requires minimal maintenance, but periodic inspection for proper operation is recommended.

  10. Where can I find technical specifications and wiring diagrams for V251DB40?

    • Technical specifications and wiring diagrams for V251DB40 can usually be found in the product datasheet provided by the manufacturer or supplier.