1N5387/TR8

Product Overview

Category

The 1N5387/TR8 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

This product is commonly used in voltage regulation and protection circuits, where it provides a stable reference voltage or clamps the voltage within a specific range.

Characteristics

• Voltage Regulation: The 1N5387/TR8 maintains a constant voltage across its terminals, making it suitable for precision voltage regulation applications.
• Reverse Breakdown Voltage: With a reverse breakdown voltage of 82V, this Zener diode can effectively clamp voltages above this level.
• Stability: It offers high stability over a wide range of operating conditions.
• Temperature Coefficient: The temperature coefficient of the 1N5387/TR8 ensures that its voltage remains relatively constant with changes in temperature.

Package

The 1N5387/TR8 is typically available in a DO-15 package, which is a cylindrical glass encapsulation with axial leads.

Packaging/Quantity

It is commonly supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage: 82V
• Power Dissipation: 5W
• Zener Impedance: 10Ω
• Operating Temperature Range: -65°C to +200°C
• Storage Temperature Range: -65°C to +225°C

Detailed Pin Configuration

The 1N5387/TR8 Zener diode has two leads, with the cathode being connected to the terminal marked with a band or other distinguishing feature.

Functional Features

• Voltage Regulation: The 1N5387/TR8 maintains a constant voltage across its terminals, providing stability in various circuit configurations.
• Overvoltage Protection: It acts as a voltage clamp, preventing excessive voltages from damaging sensitive components in a circuit.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Effective overvoltage protection
• High stability over temperature variations

Disadvantages

• Limited current handling capability compared to other voltage regulation devices
• Sensitive to temperature extremes

Working Principles

The 1N5387/TR8 operates based on the principle of the Zener effect, where it allows current to flow in the reverse direction when the applied voltage reaches its breakdown voltage. This characteristic enables it to regulate voltage and protect against overvoltage conditions.

Detailed Application Field Plans

The 1N5387/TR8 is widely used in: - Power supply units - Voltage reference circuits - Overvoltage protection modules - Voltage clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N5387/TR8 include: - 1N5370B/TR8 (Voltage: 56V, Power Dissipation: 5W) - 1N5379B/TR8 (Voltage: 120V, Power Dissipation: 5W) - BZX85C82/TR (Voltage: 82V, Power Dissipation: 1.3W)

In conclusion, the 1N5387/TR8 Zener diode is a crucial component in voltage regulation and protection circuits, offering precise voltage control and overvoltage protection. Its characteristics, specifications, and application field plans make it an essential part of various electronic systems.

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