1N4775A Diode

Product Overview

Category

The 1N4775A is a Zener diode, which falls under the category of semiconductor devices.

Use

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

Characteristics

• Forward Voltage: 1.2V
• Power Dissipation: 1.0W
• Zener Voltage: 68V
• Operating Temperature: -65°C to +200°C

Package

The 1N4775A is typically available in a DO-41 axial leaded package.

Packaging/Quantity

It is often sold in reels or tubes containing multiple units, with quantities varying based on manufacturer and distributor.

Specifications

• Maximum Zener Impedance: 10Ω
• Reverse Leakage Current: 5μA
• Maximum Surge Current: 50A
• Tolerance: ±5%

Detailed Pin Configuration

The 1N4775A Zener diode has two leads, with the cathode being shorter than the anode. The pinout configuration is as follows: - Anode (A) - Cathode (K)

Functional Features

The 1N4775A Zener diode provides a stable reference voltage when operated in its reverse breakdown region, making it suitable for voltage regulation and overvoltage protection in electronic circuits.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Overvoltage protection
• Compact size

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

When the Zener diode is reverse-biased and the voltage across it reaches the Zener voltage, it enters the breakdown region, allowing current to flow in the reverse direction while maintaining a relatively constant voltage drop.

Detailed Application Field Plans

The 1N4775A Zener diode finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4775A Zener diode include: - 1N4739A - 1N4743A - 1N4764A - BZX55C68

In conclusion, the 1N4775A Zener diode is a versatile semiconductor device that offers precise voltage regulation and overvoltage protection in electronic circuits. Its compact size and stable performance make it a popular choice for a wide range of applications.

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