Microsemi Corporation
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1N4691UR-1
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1N4691UR-1

Product Overview

Category

The 1N4691UR-1 belongs to the category of semiconductor diodes.

Use

It is commonly used in electronic circuits for rectification and voltage regulation.

Characteristics

  • Forward Voltage: 1V
  • Reverse Voltage: 200V
  • Maximum Continuous Current: 1A
  • Package Type: DO-41
  • Operating Temperature Range: -65°C to +175°C

Package

The 1N4691UR-1 is typically available in bulk packaging or on reels, with varying quantities depending on the supplier.

Specifications

  • Forward Voltage: 1V
  • Reverse Voltage: 200V
  • Maximum Continuous Current: 1A
  • Package Type: DO-41
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4691UR-1 has a standard axial lead configuration with two leads, one connected to the anode and the other to the cathode.

Functional Features

  • High forward surge capability
  • Low reverse leakage current
  • Fast switching speed

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Wide operating temperature range
  • Fast response time

Disadvantages

  • Limited maximum continuous current
  • Higher forward voltage compared to some alternative models

Working Principles

The 1N4691UR-1 operates based on the principles of semiconductor diode behavior, allowing current to flow in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

The 1N4691UR-1 is widely used in: - Power supply units - Voltage regulators - Rectifier circuits - Electronic equipment protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4691UR-1 include: - 1N4001 - 1N5819 - 1N5399 - 1N5408

In summary, the 1N4691UR-1 is a semiconductor diode with specific characteristics suitable for rectification and voltage regulation in various electronic applications. Its functional features, advantages, and disadvantages make it a versatile component in electronic circuit design.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4691UR-1 en soluciones técnicas

  1. What is the 1N4691UR-1 diode used for?

    • The 1N4691UR-1 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the 1N4691UR-1 diode?

    • The 1N4691UR-1 has a nominal Zener voltage of 27V, making it suitable for applications requiring voltage regulation at or near this level.

  3. What are some typical applications for the 1N4691UR-1 diode?

    • Common applications include voltage clamping, voltage regulation in power supplies, surge suppression, and overvoltage protection in various electronic devices.

  4. What is the maximum power dissipation of the 1N4691UR-1 diode?

    • The 1N4691UR-1 has a maximum power dissipation of 500mW, which determines its ability to handle power without being damaged.

  5. What is the temperature coefficient of the 1N4691UR-1 diode?

    • The temperature coefficient of the 1N4691UR-1 is typically around +0.05%/°C, indicating how the Zener voltage changes with temperature.

  6. Can the 1N4691UR-1 be used for reverse voltage protection?

    • Yes, the 1N4691UR-1 can be utilized for reverse voltage protection due to its Zener breakdown characteristics.

  7. What is the forward voltage drop of the 1N4691UR-1 diode?

    • The forward voltage drop of the 1N4691UR-1 is relatively low, typically around 1.2V, making it suitable for low-power applications.

  8. Is the 1N4691UR-1 suitable for high-frequency applications?

    • While the 1N4691UR-1 can function at moderate frequencies, it may not be ideal for very high-frequency applications due to its inherent capacitance and response time.

  9. What are the packaging options available for the 1N4691UR-1 diode?

    • The 1N4691UR-1 is commonly available in a DO-41 axial lead package, which is suitable for through-hole mounting on PCBs.

  10. Are there any specific precautions to consider when using the 1N4691UR-1 diode?

    • It's important to ensure proper heat dissipation, avoid exceeding the maximum power dissipation, and adhere to the specified operating conditions to maintain the diode's reliability and performance.