1N4747A-T50A

Product Overview

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

Zener voltage: 20V
Power dissipation: 1.0W
Package type: T-50A
Operating temperature range: -65°C to +200°C
Forward voltage: 1.2V
Reverse current: 5μA

Package

The 1N4747A-T50A comes in a T-50A package.

Packaging/Quantity

It is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

Zener voltage: 20V
Power dissipation: 1.0W
Maximum forward voltage: 1.2V
Maximum reverse current: 5μA
Operating temperature range: -65°C to +200°C

Detailed Pin Configuration

The 1N4747A-T50A has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

The 1N4747A-T50A provides a stable reference voltage when operated in its breakdown region, making it suitable for voltage regulation and protection in various electronic circuits.

Advantages and Disadvantages

Advantages

Precise voltage regulation
High power dissipation capability
Wide operating temperature range

Disadvantages

Limited voltage options compared to other Zener diodes
Sensitive to temperature variations

Working Principles

The 1N4747A-T50A operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified Zener voltage.

Detailed Application Field Plans

The 1N4747A-T50A finds application in: - Voltage regulators - Overvoltage protection circuits - Voltage references - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747A-T50A include: - 1N4739A-T50A (9.1V Zener voltage) - 1N4753A-T50A (36V Zener voltage) - BZX55C20-T50A (20V Zener voltage)

In conclusion, the 1N4747A-T50A Zener diode offers precise voltage regulation and is commonly used in various electronic circuits for voltage reference and regulation purposes.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4747A-T50A v technických řešeních

What is the 1N4747A-T50A diode used for?
- The 1N4747A-T50A is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4747A-T50A diode?
- The 1N4747A-T50A has a nominal voltage of 20 volts, making it suitable for applications requiring a stable 20V reference voltage.
How does the 1N4747A-T50A diode regulate voltage?
- The 1N4747A-T50A operates in the reverse-biased breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4747A-T50A be used for overvoltage protection?
- Yes, the 1N4747A-T50A can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4747A-T50A diode?
- Typical applications include voltage regulation in power supplies, voltage reference circuits, and overvoltage protection in various electronic systems.
What is the maximum power dissipation of the 1N4747A-T50A diode?
- The 1N4747A-T50A has a maximum power dissipation of 1 watt, allowing it to handle moderate power levels in circuit designs.
Is the 1N4747A-T50A suitable for automotive applications?
- Yes, the 1N4747A-T50A can be used in automotive electronics for voltage regulation and transient protection due to its robust construction.
What is the temperature coefficient of the 1N4747A-T50A diode?
- The temperature coefficient is typically around -2.2 mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4747A-T50A diodes be connected in series or parallel?
- Yes, multiple diodes can be connected in series to achieve higher voltage ratings or in parallel to increase current-handling capability as needed.
Are there any specific considerations for PCB layout when using the 1N4747A-T50A?
- It's important to ensure proper heat sinking and adequate trace widths to handle the current passing through the diode to maintain reliable operation.