1N4757A G

Product Overview

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
Forward voltage: 1.5V
Reverse current: 5µA

Package

The 1N4757A G is typically available in a DO-41 package.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

Zener voltage: 43V
Power dissipation: 1.3W
Maximum forward voltage: 1.5V
Maximum reverse current: 5µA
Operating temperature range: -65°C to +200°C

Detailed Pin Configuration

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

Functional Features

The primary function of the 1N4757A G is to maintain a constant voltage across its terminals when it is operated in the reverse breakdown region.

Advantages and Disadvantages

Advantages

Precise voltage regulation
Overvoltage protection
Compact size

Disadvantages

Limited power dissipation capability
Sensitivity to temperature variations

Working Principles

When the voltage across the Zener diode reaches its specified value, it begins to conduct in the reverse direction, effectively maintaining a constant voltage drop across its terminals.

Detailed Application Field Plans

The 1N4757A G is widely used in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4757A G include: - 1N4730A (Zener voltage: 3.9V) - 1N4742A (Zener voltage: 12V) - 1N4764A (Zener voltage: 33V)

In conclusion, the 1N4757A G Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and functional features make it suitable for various applications, despite its limitations in power dissipation and sensitivity to temperature changes.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4757A G v technických řešeních

What is 1N4757A G?
- 1N4757A G is a Zener diode with a voltage rating of 43V and a power rating of 1W.
Where can 1N4757A G be used in technical solutions?
- 1N4757A G can be used in voltage regulation, overvoltage protection, and voltage reference applications.
What are the typical applications of 1N4757A G?
- Typical applications include voltage regulators, voltage clamping, and precision voltage references.
How does 1N4757A G provide voltage regulation?
- 1N4757A G operates in the reverse-biased breakdown region, maintaining a constant voltage across its terminals when operated within its specified current range.
Can 1N4757A G be used for overvoltage protection?
- Yes, 1N4757A G can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What are the key specifications of 1N4757A G?
- The key specifications include a voltage rating of 43V, a power rating of 1W, and a tolerance of ±5%.
Is 1N4757A G suitable for precision voltage references?
- Yes, 1N4757A G can be used as a stable voltage reference due to its well-defined breakdown voltage.
What are the considerations for using 1N4757A G in a circuit?
- Considerations include operating within the specified current range, ensuring proper heat dissipation, and protecting against reverse voltage.
Can 1N4757A G be used in low-power applications?
- Yes, 1N4757A G's 1W power rating makes it suitable for low-power applications.
Are there any alternative components to 1N4757A G for similar applications?
- Yes, other Zener diodes with different voltage ratings and power capabilities can be considered based on specific application requirements.