Microsemi Corporation
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1N739

1N739 Diode

Product Overview

Category:

The 1N739 diode belongs to the category of semiconductor devices.

Use:

It is commonly used as a general-purpose rectifier in electronic circuits.

Characteristics:

  • Forward Voltage: 1V
  • Reverse Voltage: 200V
  • Current Rating: 1A
  • Fast switching speed

Package:

The 1N739 diode is typically available in a DO-41 package.

Essence:

This diode is essential for converting alternating current (AC) to direct current (DC) in various electronic applications.

Packaging/Quantity:

The 1N739 diode is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

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

Detailed Pin Configuration

The 1N739 diode has two pins, anode and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

  • Efficient rectification of AC to DC
  • Fast switching speed for rapid response in circuits
  • Reliable performance under specified operating conditions

Advantages and Disadvantages

Advantages

  • Low forward voltage drop
  • High reverse voltage capability
  • Fast recovery time

Disadvantages

  • Limited maximum continuous forward current
  • Sensitive to temperature variations

Working Principles

The 1N739 diode operates on the principle of allowing current flow in one direction while blocking it in the opposite direction. When forward-biased, it conducts current, enabling the conversion of AC to DC. In reverse bias, it acts as an insulator, preventing current flow.

Detailed Application Field Plans

The 1N739 diode finds extensive use in: - Power supply units - Battery chargers - Voltage regulators - Signal demodulation circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N739 diode include: - 1N4001 - 1N5408 - 1N5819 - 1N4148

In conclusion, the 1N739 diode serves as a crucial component in electronic circuits, providing efficient rectification and reliable performance within its specified parameters.

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기술 솔루션에 1N739 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is 1N739?

    • 1N739 is a Zener diode with a specific voltage rating used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of 1N739?

    • The voltage rating of 1N739 is typically 8.2 volts.

  3. How is 1N739 used for voltage regulation?

    • 1N739 is connected in reverse bias across the load to maintain a constant voltage across the load.

  4. What are the typical applications of 1N739?

    • 1N739 is commonly used in power supplies, voltage regulators, and overvoltage protection circuits.

  5. What is the maximum power dissipation of 1N739?

    • The maximum power dissipation of 1N739 is usually around 500mW.

  6. How does 1N739 provide overvoltage protection?

    • When the voltage across 1N739 exceeds its rated voltage, it conducts heavily, diverting excess current and protecting the circuit.

  7. Can 1N739 be used in reverse bias?

    • Yes, 1N739 is designed to operate in reverse bias as a voltage regulator or protector.

  8. What is the temperature coefficient of 1N739?

    • The temperature coefficient of 1N739 is typically around -2mV/°C.

  9. What is the forward voltage drop of 1N739?

    • The forward voltage drop of 1N739 is very low, typically less than 1V.

  10. Are there any precautions to consider when using 1N739?

    • It's important to stay within the specified maximum current and power dissipation limits to avoid damaging the diode. Additionally, proper heat sinking may be required in high-power applications.