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1N5994UR

1N5994UR

Product Overview

Category:

The 1N5994UR belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a specific voltage across their terminals.

Use:

This diode is commonly used in voltage regulation and protection circuits.

Characteristics:

  • Forward Voltage: 1.5V
  • Power Dissipation: 500mW
  • Zener Voltage: 12V
  • Operating Temperature Range: -65°C to +175°C

Package:

The 1N5994UR is typically available in a DO-35 package.

Essence:

The essence of the 1N5994UR lies in its ability to provide stable voltage regulation in electronic circuits.

Packaging/Quantity:

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Manufacturer: Multiple manufacturers
  • Part Number: 1N5994UR
  • Voltage - Zener (Nom) (Vz): 12V
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 20 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 10V
  • Tolerance: ±5%
  • Operating Temperature: -65°C ~ 175°C

Detailed Pin Configuration

The 1N5994UR has two pins, anode, and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

The 1N5994UR functions as a voltage regulator by allowing current to flow in reverse when the voltage reaches the Zener voltage.

Advantages and Disadvantages

Advantages

  • Provides stable voltage regulation
  • Protects circuits from overvoltage
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Tolerance of ±5% may not be suitable for precision applications

Working Principles

When the voltage across the 1N5994UR reaches its Zener voltage, it begins to conduct in the reverse direction, effectively maintaining a constant voltage across its terminals.

Detailed Application Field Plans

The 1N5994UR is commonly used in: - Voltage regulators - Overvoltage protection circuits - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the 1N5994UR include: - 1N4732A - BZX55C12 - 1N5242B - 1N5314

In conclusion, the 1N5994UR Zener diode is a crucial component in electronic circuits, providing stable voltage regulation and protection against overvoltage conditions. Its characteristics, pin configuration, functional features, advantages, and disadvantages make it suitable for various applications in the field of electronics.

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技術ソリューションにおける 1N5994UR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is 1N5994UR?

    • 1N5994UR is a Zener diode with a voltage rating of 12V and a power rating of 500mW.

  2. What are the typical applications of 1N5994UR?

    • It is commonly used for voltage regulation, voltage reference, and overvoltage protection in electronic circuits.

  3. What is the maximum current that 1N5994UR can handle?

    • The maximum current for 1N5994UR is typically around 50mA.

  4. How does 1N5994UR provide voltage regulation?

    • 1N5994UR operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.

  5. Can 1N5994UR be used for overvoltage protection?

    • Yes, it can be used to limit the voltage across a circuit by diverting excess current when the voltage exceeds its rated value.

  6. What are the key specifications to consider when using 1N5994UR in a circuit?

    • Key specifications include its voltage rating, power dissipation, and maximum current handling capability.

  7. Are there any specific considerations for using 1N5994UR in high-frequency applications?

    • In high-frequency applications, parasitic capacitance and inductance of the diode should be considered to ensure proper performance.

  8. Can 1N5994UR be used in temperature-sensitive environments?

    • Yes, but attention should be paid to its temperature coefficient and derating curves to ensure stable operation.

  9. What are the potential failure modes of 1N5994UR?

    • Common failure modes include thermal runaway, excessive current, and voltage spikes.

  10. Are there any alternative components that can be used in place of 1N5994UR?

    • Yes, other Zener diodes with similar voltage and power ratings can be used as alternatives, such as 1N4732A or BZX55C12.