Microsemi Corporation
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1N4755CPE3/TR8
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1N4755CPE3/TR8 - Semiconductor Diode

Basic Information Overview

  • Category: Semiconductor Diode
  • Use: Voltage Regulation
  • Characteristics: Zener Diode, 1W Power Dissipation, 30V Voltage
  • Package: DO-41
  • Essence: Regulates voltage by acting as a shunt regulator
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage: 30V
  • Power Dissipation: 1W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C
  • Forward Voltage: 1.5V
  • Reverse Current: 5µA

Detailed Pin Configuration

The 1N4755CPE3/TR8 has two pins, with the cathode being shorter than the anode.

Functional Features

  • Acts as a voltage regulator by maintaining a constant output voltage under varying load current and temperature conditions.
  • Protects circuits from overvoltage conditions by diverting excess current away from sensitive components.

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to thermal runaway if not properly heatsinked

Working Principles

The 1N4755CPE3/TR8 operates on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

  • Used in voltage regulator circuits for stabilizing voltage in electronic devices
  • Employed in power supplies 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 comprehensive entry provides detailed information about the 1N4755CPE3/TR8 semiconductor diode, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4755CPE3/TR8 v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4755CPE3/TR8:

  1. What is the 1N4755CPE3/TR8?

    • The 1N4755CPE3/TR8 is a Zener diode with a voltage rating of 39V and a power rating of 1W.

  2. What are the typical applications of the 1N4755CPE3/TR8?

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

  3. What is the maximum current that can flow through the 1N4755CPE3/TR8?

    • The maximum current is typically around 40mA.

  4. How does the 1N4755CPE3/TR8 provide voltage regulation?

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

  5. Can the 1N4755CPE3/TR8 be used for overvoltage protection?

    • Yes, it can be used to clamp the voltage at a specific level, protecting downstream components.

  6. What are the key parameters to consider when using the 1N4755CPE3/TR8 in a circuit?

    • Key parameters include the voltage rating, power dissipation, and maximum current.

  7. Is the 1N4755CPE3/TR8 suitable for automotive applications?

    • Yes, it can be used in automotive electronics for voltage regulation and protection.

  8. What are the temperature considerations for the 1N4755CPE3/TR8?

    • It has a specified operating temperature range, and derating may be necessary at higher temperatures.

  9. Can multiple 1N4755CPE3/TR8 diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current.

  10. Are there any alternatives to the 1N4755CPE3/TR8 with similar characteristics?

    • Yes, other Zener diodes with comparable voltage and power ratings can be considered, such as the 1N4749A or 1N4763A.