1SMA4749HR3G

Product Overview

Category

The 1SMA4749HR3G 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: 24V
• Power dissipation: 1.5W
• Package type: SMA
• RoHS compliant

Packaging/Quantity

The 1SMA4749HR3G is typically available in tape and reel packaging with quantities varying based on supplier specifications.

Specifications

• Zener voltage: 24V
• Power dissipation: 1.5W
• Forward voltage: 1.2V
• Reverse current: 5µA
• Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4749HR3G typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• Voltage regulation
• Transient suppression
• RoHS compliance

Advantages

• High power dissipation capability
• Wide operating temperature range
• RoHS compliant

Disadvantages

• Limited voltage regulation range
• Sensitive to overcurrent conditions

Working Principles

The 1SMA4749HR3G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

The 1SMA4749HR3G is widely used in various electronic applications such as: - Voltage regulation in power supplies - Transient suppression in communication equipment - Overvoltage protection in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4749HR3G include: - 1N4749A - BZX85C24 - P6SMB24CA

In conclusion, the 1SMA4749HR3G is a surface mount silicon zener diode with a zener voltage of 24V and a power dissipation of 1.5W. It is commonly used for voltage regulation and transient suppression in various electronic applications, offering advantages such as high power dissipation capability and RoHS compliance, while having limitations related to its voltage regulation range and sensitivity to overcurrent conditions. Its working principle is based on the Zener effect, and it finds extensive use in power supplies, communication equipment, and automotive electronics. Alternative models such as 1N4749A, BZX85C24, and P6SMB24CA can also be considered for similar applications.