1SMA4751HR3G

Product Overview

Category

The 1SMA4751HR3G belongs to the category of semiconductor devices, specifically a type of diode known as a Zener diode.

Use

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

Characteristics

• Voltage Regulation: The 1SMA4751HR3G provides stable voltage output under varying load conditions.
• Transient Suppression: It protects sensitive components from voltage spikes and transients.
• High Power Dissipation: Capable of handling high power dissipation due to its robust design.

Package

The 1SMA4751HR3G is typically available in a surface mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to maintain a constant voltage across a wide range of operating conditions, ensuring the stability and protection of electronic circuits.

Packaging/Quantity

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

Specifications

• Voltage: 30V
• Power Dissipation: 1.5W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +150°C
• Package Type: SMA

Detailed Pin Configuration

The 1SMA4751HR3G typically consists of two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

• Voltage Regulation: Maintains a constant voltage across the diode terminals.
• Transient Suppression: Protects downstream components from voltage spikes and transients.
• Fast Response Time: Rapidly clamps excessive voltage levels to safeguard the circuitry.

Advantages

• Stable Voltage Output: Ensures consistent performance of connected circuits.
• Transient Protection: Safeguards sensitive components from voltage surges.
• Robust Design: Capable of handling high power dissipation without compromising performance.

Disadvantages

• Limited Voltage Range: May not be suitable for applications requiring higher voltage regulation.
• Temperature Sensitivity: Performance may vary significantly at extreme temperature ranges.

Working Principles

The 1SMA4751HR3G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals by allowing current to flow in reverse bias when the voltage reaches the specified Zener voltage.

Detailed Application Field Plans

Voltage Regulation

The 1SMA4751HR3G can be utilized in power supply circuits to ensure a stable output voltage, critical for sensitive electronic devices and systems.

Transient Suppression

In communication equipment and automotive electronics, this diode can protect against voltage transients induced by external factors such as lightning strikes or electromagnetic interference.

Overvoltage Protection

By integrating the 1SMA4751HR3G into circuit designs, overvoltage protection can be achieved, preventing damage to downstream components during fault conditions.

Detailed and Complete Alternative Models

• 1N4744A: Similar Zener diode with a slightly higher voltage rating.
• BZX55C30: Comparable Zener diode offering alternative characteristics for specific applications.
• MMSZ5230B: Surface mount Zener diode with similar specifications for compact designs.

In conclusion, the 1SMA4751HR3G Zener diode offers reliable voltage regulation and transient suppression capabilities, making it a valuable component in various electronic applications.

[Word count: 529]