1N4742A TR

Product Overview

The 1N4742A TR is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and voltage reference applications due to its unique characteristics. This diode is available in a small, plastic package and is essential for maintaining stable voltage levels in electronic circuits. The packaging typically includes a quantity of 100 pieces.

Specifications

• Voltage: 12V
• Power Dissipation: 1.0W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4742A TR has two pins, with the cathode connected to the semiconductor's N-type material and the anode connected to the P-type material.

Functional Features

The primary function of the 1N4742A TR 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
• Small form factor
• Wide operating temperature range

Disadvantages

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

Working Principles

When the voltage across the diode reaches the specified Zener voltage, it enters the breakdown region, allowing current to flow in the reverse direction and maintaining a nearly constant voltage drop across its terminals.

Detailed Application Field Plans

The 1N4742A TR is widely used in various electronic devices such as voltage regulators, power supplies, and instrumentation equipment. Its stable voltage characteristics make it suitable for applications requiring precise voltage references.

Detailed and Complete Alternative Models

• 1N4733A TR (5.1V Zener voltage)
• 1N4736A TR (6.8V Zener voltage)
• 1N4744A TR (15V Zener voltage)

In summary, the 1N4742A TR Zener diode is a crucial component in voltage regulation and reference applications, offering precise voltage control and stability within electronic circuits.

Word Count: 298