1SMB28AT3G

Product Overview

Category

The 1SMB28AT3G belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

• Zener voltage: 28V
• Power dissipation: 3W
• Package type: SMB
• RoHS compliant

Package

The 1SMB28AT3G is available in a SMB package, and it is typically sold in reels or tubes.

Essence

This product serves as a crucial component in protecting electronic circuits from voltage spikes and regulating voltage levels.

Packaging/Quantity

It is typically packaged in reels containing a specific quantity of diodes, such as 1000 pieces per reel.

Specifications

• Zener Voltage: 28V
• Power Dissipation: 3W
• Operating Temperature Range: -65°C to +150°C
• Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1SMB28AT3G has two pins, with the anode and cathode connections clearly marked on the SMB package.

Functional Features

• Voltage regulation: The diode maintains a constant voltage across its terminals, providing stability to the circuit.
• Transient suppression: It protects against voltage spikes and transients, safeguarding sensitive components.

Advantages

• High power dissipation capability
• Compact SMB package for space-constrained applications
• RoHS compliant, making it environmentally friendly

Disadvantages

• Limited voltage regulation range compared to other zener diodes
• Sensitive to temperature variations

Working Principles

The 1SMB28AT3G operates based on the principle of the Zener effect, where it allows current to flow in reverse bias once the voltage reaches its specified Zener voltage, effectively maintaining a constant voltage drop across its terminals.

Detailed Application Field Plans

This diode is widely used in various electronic devices and systems, including: - Voltage regulation in power supplies - Surge protection in communication equipment - Overvoltage protection in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMB28AT3G include: - 1N4746A: 18V Zener diode - BZX84C28: 28V Zener diode - P6SMB30CA: 30V transient voltage suppressor

In conclusion, the 1SMB28AT3G is a vital component in electronic circuits, offering voltage regulation and transient suppression capabilities. Its compact size and high power dissipation make it suitable for various applications, despite its limitations in voltage regulation range and sensitivity to temperature changes. Understanding its working principles and considering alternative models can aid in optimizing its use in different electronic systems.