1N4747A,133 - Semiconductor Diode Encyclopedia Entry

Product Overview

The 1N4747A,133 is a semiconductor diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and voltage reference applications due to its unique characteristics. The diode is typically packaged in a small, cylindrical glass package with two leads, making it suitable for various electronic circuit designs. Its essence lies in its ability to maintain a constant voltage across its terminals, regardless of the current flowing through it. The packaging/quantity usually varies based on the manufacturer's specifications.

Specifications

• Voltage: 20V
• Power Dissipation: 1.0W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4747A,133 has a standard axial lead configuration with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

The primary function of the 1N4747A,133 is to maintain a constant voltage when reverse-biased at its specified Zener voltage. This feature makes it ideal for voltage regulation and stabilization in electronic circuits.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact size
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

When the 1N4747A,133 is reverse-biased beyond its Zener voltage, it enters the breakdown region, allowing a controlled amount of current to flow while maintaining a nearly constant voltage across its terminals. This characteristic enables it to regulate voltage in electronic circuits.

Detailed Application Field Plans

The 1N4747A,133 finds extensive use in various applications such as: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747A,133 include: - 1N4733A,133 - 1N4734A,133 - 1N4735A,133 - 1N4736A,133 - 1N4737A,133

In conclusion, the 1N4747A,133 Zener diode serves as a crucial component in electronic circuits requiring precise voltage regulation and reference. Its compact size, wide operating temperature range, and functional features make it a versatile choice for various applications.

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