1SMB5931 R5G

Product Overview

Category

The 1SMB5931 R5G 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: 3.3V
• Power dissipation: 3W
• Package: SMB (DO-214AA)
• RoHS compliant

Packaging/Quantity

The 1SMB5931 R5G is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Zener voltage: 3.3V
• Power dissipation: 3W
• Forward voltage: 1.5V
• Reverse current: 5µA
• Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1SMB5931 R5G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

• Voltage regulation: The zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
• Transient suppression: It protects sensitive components from voltage spikes and transients.

Advantages

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

Disadvantages

• Limited voltage options compared to other zener diodes
• Sensitive to temperature variations

Working Principles

The 1SMB5931 R5G operates based on the principle of the zener effect, where it allows current to flow in the reverse direction when the voltage reaches its specified zener voltage, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

This zener diode is widely used in voltage regulation and transient suppression applications in various electronic devices such as power supplies, automotive electronics, and consumer electronics.

Detailed and Complete Alternative Models

Some alternative models to the 1SMB5931 R5G include: - 1N4728A (3.3V zener diode) - BZX85C3V3 (3.3V zener diode) - MMSZ5240B (3.3V zener diode)

In conclusion, the 1SMB5931 R5G is a surface mount silicon zener diode with a zener voltage of 3.3V and a power dissipation of 3W. It is commonly used for voltage regulation and transient suppression in electronic circuits, offering advantages such as high power dissipation capability and compact packaging. However, it has limitations in terms of voltage options and sensitivity to temperature variations. Its working principle is based on the zener effect, and it finds extensive application in various electronic devices. Alternative models such as 1N4728A, BZX85C3V3, and MMSZ5240B can also be considered for similar applications.