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SMDJ45
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SMDJ45 - Product Overview

Introduction

The SMDJ45 belongs to the category of transient voltage suppressor diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and surges. The SMDJ45 is designed to provide effective protection against transient overvoltage conditions, making it an essential component in various electronic devices and systems.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and surges
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: Surface-mount package (SMD), typically available in tape and reel packaging
  • Essence: Safeguarding sensitive electronic components from transient overvoltage events
  • Packaging/Quantity: Typically available in reels of 1000 units

Specifications

  • Voltage Rating: 45V
  • Peak Pulse Power: 1500W
  • Operating Temperature Range: -55°C to +150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ45 features a standard surface-mount diode package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage events to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • Low Clamping Voltage: Limits the voltage across the protected components during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact surface-mount package
  • High surge current capability

Disadvantages

  • Limited to specific voltage ratings
  • Requires proper circuit design for optimal performance

Working Principles

The SMDJ45 operates based on the principle of avalanche breakdown. When a transient overvoltage event occurs, the diode rapidly conducts, diverting the excess energy away from the sensitive components. This action effectively limits the voltage across the protected circuitry, preventing damage.

Detailed Application Field Plans

The SMDJ45 finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMDJ45 exist, offering similar transient voltage suppression capabilities. Some notable alternatives include: - P6SMB45CA - 1.5SMC45CA - SMBJ45A

In conclusion, the SMDJ45 transient voltage suppressor diode plays a crucial role in safeguarding electronic circuits from transient overvoltage events. Its fast response time, low clamping voltage, and high surge current capability make it a valuable component in various electronic systems.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMDJ45 in technische oplossingen

  1. What is SMDJ45?

    • SMDJ45 is a type of surface mount transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power of SMDJ45?

    • The maximum peak pulse power of SMDJ45 is 3000 watts.

  3. What is the breakdown voltage of SMDJ45?

    • The breakdown voltage of SMDJ45 is 45 volts.

  4. What are the typical applications of SMDJ45?

    • SMDJ45 is commonly used in applications such as telecommunications equipment, industrial electronics, and automotive systems to protect against voltage transients.

  5. What is the operating temperature range of SMDJ45?

    • The operating temperature range of SMDJ45 is typically -55°C to +150°C.

  6. What is the response time of SMDJ45?

    • The response time of SMDJ45 is very fast, typically in the nanosecond range.

  7. How is SMDJ45 packaged?

    • SMDJ45 is typically packaged in a surface mount package, making it suitable for automated assembly processes.

  8. Can SMDJ45 be used for ESD protection?

    • Yes, SMDJ45 can be used for electrostatic discharge (ESD) protection in sensitive electronic circuits.

  9. What is the clamping voltage of SMDJ45?

    • The clamping voltage of SMDJ45 is the voltage at which it starts to conduct significantly during a transient event and is typically around 77 volts.

  10. Is SMDJ45 RoHS compliant?

    • Yes, SMDJ45 is generally RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive for use in electronic equipment.