Microsemi Corporation
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1N4756AP/TR8
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1N4756AP/TR8 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage regulation and protection
  • Characteristics: Zener diode, low reverse leakage current, high reliability
  • Package: Axial lead, DO-41 package
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage: 47V
  • Power Dissipation: 1.0W
  • Tolerance: ±5%
  • Operating Temperature: -65°C to +200°C

Detailed Pin Configuration

The 1N4756AP/TR8 has a standard axial lead configuration with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Zener Voltage Regulation: Maintains a constant voltage across its terminals.
  • Overvoltage Protection: Safeguards sensitive components in the circuit from excessive voltage.

Advantages and Disadvantages

  • Advantages:
    • Precise voltage regulation
    • Low reverse leakage current
    • High reliability
  • Disadvantages:
    • Limited power dissipation capability
    • Sensitive to temperature variations

Working Principles

The 1N4756AP/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

  • Voltage Regulation: Used in power supplies to maintain a stable output voltage.
  • Overvoltage Protection: Employed in electronic circuits to protect sensitive components from voltage spikes.

Detailed and Complete Alternative Models

  • 1N4728A: 3.3V Zener diode
  • 1N4733A: 5.1V Zener diode
  • 1N4742A: 12V Zener diode

This completes the entry for the 1N4756AP/TR8 semiconductor diode, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4756AP/TR8 v technických řešeních

  1. What is the 1N4756AP/TR8?

    • The 1N4756AP/TR8 is a Zener diode with a voltage rating of 47 volts and a power rating of 1 watt.

  2. What are the typical applications of the 1N4756AP/TR8?

    • It is commonly used in voltage regulation, surge suppression, and voltage reference circuits.

  3. What is the maximum current that can flow through the 1N4756AP/TR8?

    • The maximum current for this diode is typically around 40 mA.

  4. How does the 1N4756AP/TR8 provide voltage regulation?

    • The Zener diode operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals.

  5. Can the 1N4756AP/TR8 be used for overvoltage protection?

    • Yes, it can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  6. What are the temperature considerations for the 1N4756AP/TR8?

    • The operating and storage temperature range for this diode is typically between -65°C to +200°C.

  7. Is the 1N4756AP/TR8 suitable for high-frequency applications?

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

  8. What are the key parameters to consider when selecting the 1N4756AP/TR8 for a design?

    • Key parameters include the voltage rating, power dissipation, and tolerance of the Zener voltage.

  9. Can multiple 1N4756AP/TR8 diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the total breakdown voltage or in parallel to increase the current-handling capability.

  10. Are there any specific soldering or mounting considerations for the 1N4756AP/TR8?

    • It is important to follow recommended soldering and mounting practices to ensure proper heat dissipation and electrical performance.