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1N4739A-TP
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1N4739A-TP

Product Overview

The 1N4739A-TP is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and stabilization in electronic circuits. This diode exhibits characteristics such as precise voltage regulation, low impedance, and high reliability. The package type for the 1N4739A-TP is axial-lead glass, and it is available in various packaging quantities to suit different production needs.

Specifications

  • Voltage: 9.1V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4739A-TP has two leads, with the anode connected to the positive terminal and the cathode connected to the negative terminal of the circuit.

Functional Features

  • Precise voltage regulation
  • Low impedance
  • High reliability
  • Fast response time

Advantages and Disadvantages

Advantages

  • Provides stable voltage regulation
  • Suitable for a wide range of applications
  • Compact and easy to integrate into circuits

Disadvantages

  • Limited current handling capability
  • Susceptible to damage from excessive power dissipation

Working Principles

The 1N4739A-TP operates based on the Zener effect, which allows it to maintain a constant voltage across its terminals when it is reverse-biased and operated within its specified current and power limits.

Detailed Application Field Plans

The 1N4739A-TP is widely used in various electronic devices and systems, including: - Voltage regulators - Power supplies - Signal conditioning circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4739A-TP include: - 1N4738A-TP (8.2V Zener voltage) - 1N4740A-TP (10V Zener voltage) - BZX55C9V1 (9.1V Zener voltage)

In conclusion, the 1N4739A-TP Zener diode offers precise voltage regulation and finds extensive use in electronic circuits for various applications. Its compact size and reliable performance make it a popular choice among engineers and designers.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1N4739A-TP dalam solusi teknis

  1. What is the 1N4739A-TP?

    • The 1N4739A-TP is a Zener diode with a voltage rating of 9.1V, commonly used for voltage regulation and protection in electronic circuits.

  2. How does the 1N4739A-TP work?

    • The 1N4739A-TP works by allowing current to flow in the forward direction like a normal diode, but it also permits it to flow in the reverse direction when the voltage reaches its breakdown voltage, providing a stable output voltage.

  3. What are the typical applications of the 1N4739A-TP?

    • The 1N4739A-TP is commonly used in voltage regulator circuits, voltage reference circuits, and as a protective element against voltage spikes in electronic devices.

  4. What is the maximum power dissipation of the 1N4739A-TP?

    • The maximum power dissipation of the 1N4739A-TP is typically around 1.3W, making it suitable for low to medium power applications.

  5. What is the temperature coefficient of the 1N4739A-TP?

    • The temperature coefficient of the 1N4739A-TP is approximately -2.2mV/°C, which means its voltage reference remains relatively stable over a range of temperatures.

  6. Can the 1N4739A-TP be used in reverse bias?

    • Yes, the 1N4739A-TP can be used in reverse bias to regulate voltage and protect circuits from overvoltage conditions.

  7. What is the typical forward voltage drop of the 1N4739A-TP?

    • The typical forward voltage drop of the 1N4739A-TP is around 1.2V at a forward current of 20mA.

  8. Is the 1N4739A-TP suitable for precision voltage references?

    • While the 1N4739A-TP provides a stable voltage reference, it may not be suitable for precision applications due to its tolerance and temperature drift.

  9. What are the key differences between the 1N4739A-TP and other Zener diodes?

    • The 1N4739A-TP stands out due to its specific breakdown voltage of 9.1V, making it suitable for applications requiring this voltage level.

  10. Are there any precautions to consider when using the 1N4739A-TP?

    • It's important to ensure that the maximum power dissipation and current ratings are not exceeded, and to provide adequate heat sinking if operating at high power levels. Additionally, proper polarity and voltage limits should be observed to prevent damage to the diode.