Taiwan Semiconductor Corporation
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1N4757A B0G
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1N4757A B0G

Product Overview

Category

The 1N4757A B0G 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: 1.3W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Packaging/quantity: Tape & Reel (1000 pieces)

Specifications

  • Zener voltage: 43V
  • Power dissipation: 1.3W
  • Forward voltage: 1.5V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4757A B0G has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

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

Advantages

  • High power dissipation capability
  • Tight voltage tolerance
  • Compact DO-41 package

Disadvantages

  • Limited voltage options
  • Sensitive to temperature variations

Working Principles

The 1N4757A B0G operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulator circuits, surge suppressors, and overvoltage protection applications in various electronic devices and systems.

Detailed and Complete Alternative Models

  • 1N4749A B0G (Zener voltage: 24V)
  • 1N4764A B0G (Zener voltage: 100V)
  • 1N4733A B0G (Zener voltage: 5.1V)

In conclusion, the 1N4757A B0G Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.

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10 domande e risposte comuni relative all'applicazione di 1N4757A B0G nelle soluzioni tecniche

  1. What is the 1N4757A B0G?

    • The 1N4757A B0G is a Zener diode with a voltage rating of 43V and a power rating of 1W.

  2. What are the typical applications of the 1N4757A B0G?

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

  3. What is the maximum current that can flow through the 1N4757A B0G?

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

  4. How does the 1N4757A B0G provide voltage regulation?

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

  5. Can the 1N4757A B0G be used for overvoltage protection?

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

  6. What are the key specifications to consider when using the 1N4757A B0G in a design?

    • Key specifications include the breakdown voltage, power rating, and maximum current.

  7. Are there any specific thermal considerations when using the 1N4757A B0G?

    • Yes, it's important to consider the power dissipation and ensure that the diode does not exceed its maximum junction temperature.

  8. Can the 1N4757A B0G be used in automotive applications?

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

  9. What are the typical failure modes of the 1N4757A B0G?

    • Common failure modes include overheating due to excessive current or power dissipation, as well as voltage breakdown if the maximum ratings are exceeded.

  10. Are there any alternatives to the 1N4757A B0G for similar applications?

    • Yes, other Zener diodes with comparable voltage and power ratings can be considered, such as the 1N4749A or 1N4761A.