Microsemi Corporation
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3EZ18D/TR12
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3EZ18D/TR12 Product Overview

Introduction

The 3EZ18D/TR12 is a semiconductor product belonging to the category of Zener diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the 3EZ18D/TR12.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Precise voltage regulation, low impedance, and high reliability
  • Package: SOD-123FL
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Voltage - Zener (Nom) (Vz): 18V
  • Power - Max: 1W
  • Impedance (Max) (Zzt): 20 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 13.5V
  • Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The 3EZ18D/TR12 typically has two pins, with the cathode connected to the positive side and the anode connected to the negative side in the circuit.

Functional Features

  • Precise Voltage Regulation: The 3EZ18D/TR12 provides accurate voltage regulation, ensuring stable operation of electronic circuits.
  • Low Impedance: With a maximum impedance of 20 Ohms, it minimizes the impact on the circuit it regulates.
  • High Reliability: It offers consistent performance and reliability over its operational lifespan.

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Low impedance
  • High reliability
  • Compact package size

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 3EZ18D/TR12 operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased within its specified voltage range.

Detailed Application Field Plans

The 3EZ18D/TR12 finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the 3EZ18D/TR12 include: - 1N4744A: 15V Zener diode - BZX55C18: 18V Zener diode - MMSZ5248B: 18V Zener diode

In conclusion, the 3EZ18D/TR12 Zener diode offers precise voltage regulation, low impedance, and high reliability, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 3EZ18D/TR12 v technických řešeních

  1. What is the 3EZ18D/TR12 component used for in technical solutions?

    • The 3EZ18D/TR12 is a voltage regulator diode commonly used for voltage regulation and protection in various electronic circuits.

  2. What are the key specifications of the 3EZ18D/TR12?

    • The 3EZ18D/TR12 has a maximum reverse voltage of 18V, a forward current of 3A, and a power dissipation of 5W.

  3. How does the 3EZ18D/TR12 contribute to circuit protection?

    • The 3EZ18D/TR12 provides overvoltage protection by regulating the voltage within a safe range and diverting excess current away from sensitive components.

  4. In what types of applications is the 3EZ18D/TR12 commonly used?

    • The 3EZ18D/TR12 is often employed in power supplies, automotive electronics, consumer electronics, and industrial control systems.

  5. Can the 3EZ18D/TR12 be used for transient voltage suppression?

    • Yes, the 3EZ18D/TR12 can effectively suppress transient voltage spikes and protect connected devices from voltage surges.

  6. What are the temperature considerations for the 3EZ18D/TR12?

    • The 3EZ18D/TR12 operates within a temperature range of -65°C to +175°C, making it suitable for a wide range of environmental conditions.

  7. Does the 3EZ18D/TR12 require any external components for proper operation?

    • Typically, the 3EZ18D/TR12 only requires appropriate input and output capacitors for stable and reliable performance.

  8. How does the 3EZ18D/TR12 compare to other similar voltage regulator diodes?

    • The 3EZ18D/TR12 offers a balance of high current capability, low voltage drop, and robust transient voltage suppression, making it a versatile choice for many applications.

  9. Are there any specific layout or mounting considerations for the 3EZ18D/TR12?

    • It is important to minimize lead length and ensure proper heat sinking to maintain the 3EZ18D/TR12's performance and reliability.

  10. What are the potential failure modes of the 3EZ18D/TR12 and how can they be mitigated?

    • Common failure modes include thermal runaway and voltage breakdown. Proper heat dissipation and adherence to voltage and current limits can help mitigate these risks.