1N2972RB

Product Overview

The 1N2972RB belongs to the category of semiconductor devices and is specifically a Zener diode. It is commonly used for voltage regulation and transient suppression in electronic circuits. The characteristics of the 1N2972RB include its stable and precise voltage regulation, compact package, and high reliability. It is typically available in a glass axial-lead package and is essential for maintaining voltage stability in various electronic applications.

Package and Quantity

The 1N2972RB is usually packaged individually and is available in standard quantities suitable for electronic component distribution.

Specifications

• Voltage: 6.8V
• Power Dissipation: 500mW
• Zener Impedance: 10Ω
• Maximum Operating Temperature: 175°C
• Package Type: Axial-Lead Glass

Detailed Pin Configuration

The 1N2972RB has a simple two-pin configuration with anode and cathode terminals. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The primary function of the 1N2972RB is to maintain a constant voltage across its terminals, ensuring that the voltage across the load remains within a specified range. It achieves this by conducting current in reverse bias when the voltage exceeds its rated value, effectively clamping the voltage at the desired level.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact size
• High reliability
• Low cost

Disadvantages

• Limited power dissipation capability
• Susceptible to thermal runaway under certain conditions

Working Principles

The 1N2972RB operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when operated in the reverse breakdown region. This allows it to regulate the voltage in electronic circuits and protect sensitive components from voltage spikes.

Detailed Application Field Plans

The 1N2972RB finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in automotive electronics - Signal conditioning in instrumentation circuits - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the 1N2972RB include: - 1N2970RB (5.6V) - 1N2971RB (6.2V) - 1N2973RB (7.5V)

In summary, the 1N2972RB Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and transient suppression. Its compact size, reliability, and cost-effectiveness make it a popular choice for a wide range of applications.

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