Microsemi Corporation
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1N4757CPE3/TR8
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1N4757CPE3/TR8

Product Overview

Category

The 1N4757CPE3/TR8 belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Zener voltage: 43V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Tolerance: ±5%

Package

The 1N4757CPE3/TR8 is typically available in bulk packaging or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 43V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.5V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4757CPE3/TR8 has a standard DO-41 package with two leads. The anode is connected to the positive terminal, and the cathode is connected to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Stable operation over a wide temperature range

Advantages and Disadvantages

Advantages

  • High reliability
  • Wide operating temperature range
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Voltage tolerance may not be suitable for some precision applications

Working Principles

The 1N4757CPE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1N4757CPE3/TR8 is widely used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Electronic equipment requiring stable voltage references

Detailed and Complete Alternative Models

Some alternative models to the 1N4757CPE3/TR8 include: - 1N4749A - BZX55C43 - 1N5226B

In conclusion, the 1N4757CPE3/TR8 Zener diode offers precise voltage regulation and overvoltage protection, making it a crucial component in various electronic circuits and applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4757CPE3/TR8 v technických řešeních

  1. What is the 1N4757CPE3/TR8?

    • The 1N4757CPE3/TR8 is a Zener diode with a voltage rating of 43V and a power rating of 1W.

  2. What are the typical applications of the 1N4757CPE3/TR8?

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

  3. What is the maximum current that can flow through the 1N4757CPE3/TR8?

    • The maximum current for reliable operation is typically around 40-50 mA.

  4. How does the 1N4757CPE3/TR8 provide voltage regulation?

    • The Zener diode conducts in the reverse-biased direction when the voltage across it reaches its breakdown voltage, effectively regulating the voltage.

  5. Can the 1N4757CPE3/TR8 be used for overvoltage protection?

    • Yes, it can be used to shunt excess voltage away from sensitive components in a circuit.

  6. What are the key characteristics of the 1N4757CPE3/TR8 that make it suitable for voltage reference applications?

    • Its stable breakdown voltage and low temperature coefficient make it well-suited for providing a stable voltage reference.

  7. What are the typical operating temperatures for the 1N4757CPE3/TR8?

    • It can operate within a temperature range of -65°C to +200°C.

  8. Is the 1N4757CPE3/TR8 suitable for high-frequency applications?

    • No, it is not recommended for high-frequency applications due to its inherent limitations in switching speed.

  9. Can multiple 1N4757CPE3/TR8 diodes be connected in series or parallel?

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

  10. Are there any specific layout considerations when using the 1N4757CPE3/TR8 in a circuit?

    • It is important to minimize lead lengths and keep the diode close to the load to reduce the effects of parasitic inductance and maintain stability.