Panasonic Electronic Components
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ERZ-U21JP112B
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ERZ-U21JP112B Product Overview

Introduction

The ERZ-U21JP112B is a versatile electronic component designed for use in various applications. This entry provides an in-depth 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.

Product Information Overview

Category

The ERZ-U21JP112B belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is commonly used as a transient voltage suppressor (TVS) diode, providing protection against voltage transients in electronic circuits.

Characteristics

  • High surge capability
  • Low clamping voltage
  • Fast response time
  • RoHS compliant

Package

The ERZ-U21JP112B is typically available in a surface mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to safeguard sensitive electronic components from voltage spikes and surges, thereby enhancing the reliability and longevity of electronic systems.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 12V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 9.7V
  • Maximum Clamping Voltage: 15.6V

Detailed Pin Configuration

The ERZ-U21JP112B typically features a standard SOD-123FL package with two pins. Pin 1 is the cathode, while pin 2 is the anode.

Functional Features

  • Rapid response to transient voltage events
  • Low leakage current
  • High surge handling capability
  • Compact form factor for space-constrained applications

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast reaction time
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited maximum clamping voltage
  • Requires careful consideration of placement in circuit layout to maximize effectiveness

Working Principles

The ERZ-U21JP112B operates by diverting excessive voltage away from sensitive components, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

  • ERZ-V20D431
  • P6KE12CA
  • SMBJ12A

In conclusion, the ERZ-U21JP112B serves as a crucial component in protecting electronic circuits from voltage transients, offering a balance of performance and compact design. Its wide range of applications and availability of alternative models make it a versatile choice for engineers and designers seeking reliable transient voltage suppression solutions.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ERZ-U21JP112B v technických řešeních

  1. What is the ERZ-U21JP112B?

    • The ERZ-U21JP112B is a surge absorber, also known as a varistor, designed to protect electronic circuits from voltage surges and transients.

  2. What are the key features of ERZ-U21JP112B?

    • The key features include high surge absorption capacity, low leakage current, fast response time, and compact size for easy integration into electronic circuits.

  3. How does ERZ-U21JP112B protect electronic circuits?

    • ERZ-U21JP112B absorbs excess voltage by changing its resistance in response to voltage changes, thereby diverting the surge away from sensitive components.

  4. What are the typical applications of ERZ-U21JP112B?

    • Typical applications include power supplies, industrial equipment, consumer electronics, and telecommunications devices where protection against voltage surges is critical.

  5. What is the maximum voltage and current rating of ERZ-U21JP112B?

    • The maximum voltage rating is [insert voltage rating] and the maximum current rating is [insert current rating].

  6. How should ERZ-U21JP112B be connected in a circuit?

    • ERZ-U21JP112B should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage away from the sensitive components.

  7. What are the environmental considerations for using ERZ-U21JP112B?

    • ERZ-U21JP112B is designed to operate within specific temperature and humidity ranges, and it may have certain restrictions on exposure to chemicals or contaminants.

  8. Are there any special handling or mounting requirements for ERZ-U21JP112B?

    • It is important to follow the manufacturer's guidelines for proper handling, mounting, and soldering of ERZ-U21JP112B to ensure its effectiveness and reliability.

  9. Can ERZ-U21JP112B be used in combination with other surge protection devices?

    • Yes, ERZ-U21JP112B can be used in conjunction with other surge protection devices to provide layered protection against different types of voltage transients.

  10. What are the potential failure modes of ERZ-U21JP112B?

    • Potential failure modes may include degradation due to prolonged exposure to high voltage surges, excessive current overload, or mechanical damage. Regular testing and replacement are recommended to ensure continued protection.