Microsemi Corporation
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1N4737AP/TR8
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1N4737AP/TR8 - Semiconductor Diode

Basic Information Overview

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

Specifications

  • Voltage: 7.5V
  • Power Dissipation: 1W
  • Zener Impedance: 20Ω
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4737AP/TR8 has an axial leaded package with two leads. The cathode is marked with a band on the body of the diode.

Functional Features

  • Provides a constant voltage output when reverse biased
  • Protects sensitive components from voltage spikes
  • Allows precise voltage regulation in electronic circuits

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Low leakage current - High reliability

Disadvantages: - Limited power dissipation capability - Sensitive to temperature variations

Working Principles

The 1N4737AP/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate voltage in electronic circuits.

Detailed Application Field Plans

  • Voltage regulation in power supplies
  • Overvoltage protection in electronic circuits
  • Signal clamping and limiting

Detailed and Complete Alternative Models

  • 1N4736A: 6.2V Zener diode
  • 1N4738A: 8.2V Zener diode
  • BZX55C7V5: 7.5V Zener diode

This completes the entry for the 1N4737AP/TR8 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4737AP/TR8 v technických řešeních

  1. What is the 1N4737AP/TR8?

    • The 1N4737AP/TR8 is a Zener diode with a voltage rating of 7.5V and a power dissipation of 1W.

  2. How does the 1N4737AP/TR8 work?

    • The 1N4737AP/TR8 works by allowing current to flow in the forward direction like a normal diode, but also permits it to flow in the reverse direction when the voltage is above its breakdown voltage.

  3. What are the typical applications of the 1N4737AP/TR8?

    • The 1N4737AP/TR8 is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  4. What is the maximum power dissipation of the 1N4737AP/TR8?

    • The 1N4737AP/TR8 has a maximum power dissipation of 1W.

  5. What is the voltage tolerance of the 1N4737AP/TR8?

    • The voltage tolerance of the 1N4737AP/TR8 is typically ±5%.

  6. Can the 1N4737AP/TR8 be used for overvoltage protection?

    • Yes, the 1N4737AP/TR8 can be used for overvoltage protection due to its ability to conduct when the reverse voltage exceeds its breakdown voltage.

  7. What is the temperature coefficient of the 1N4737AP/TR8?

    • The temperature coefficient of the 1N4737AP/TR8 is typically around +2mV/°C.

  8. Is the 1N4737AP/TR8 suitable for low voltage applications?

    • No, the 1N4737AP/TR8 is not suitable for low voltage applications due to its relatively high breakdown voltage of 7.5V.

  9. What is the typical forward voltage drop of the 1N4737AP/TR8?

    • The typical forward voltage drop of the 1N4737AP/TR8 is around 1.2V at a forward current of 20mA.

  10. Can the 1N4737AP/TR8 be used in series or parallel configurations?

    • Yes, the 1N4737AP/TR8 can be used in series or parallel configurations to achieve higher voltage ratings or current-handling capabilities.