1SMA4743HR3G

Product Overview

The 1SMA4743HR3G belongs to the category of semiconductor devices and is specifically a part of the Zener diode family. This product is commonly used for voltage regulation and transient suppression in various electronic circuits. The 1SMA4743HR3G is known for its high reliability, low leakage current, and robust packaging, making it suitable for a wide range of applications. It is typically available in a surface mount package and is offered in various quantities to meet different production needs.

Specifications

• Voltage: 13V
• Power Dissipation: 1.5W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +150°C
• Package Type: SMA

Detailed Pin Configuration

The 1SMA4743HR3G features a standard SMA package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Voltage Regulation: The 1SMA4743HR3G provides stable voltage output under varying load conditions.
• Transient Suppression: It effectively suppresses voltage spikes and transients, protecting sensitive components in the circuit.
• Low Leakage Current: This Zener diode exhibits low reverse current, ensuring minimal power loss.

Advantages and Disadvantages

Advantages

• High reliability
• Robust packaging
• Low leakage current
• Wide operating temperature range

Disadvantages

• Limited voltage options available
• Sensitive to overvoltage conditions

Working Principles

The 1SMA4743HR3G operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse biased. This allows it to regulate the voltage in a circuit and divert excess current during transient events.

Detailed Application Field Plans

The 1SMA4743HR3G finds extensive use in various electronic systems, including: - Power supplies - Voltage regulators - Surge protectors - Overvoltage clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4743HR3G include: - 1N4743A - BZX85C13 - P6SMB13CA

In summary, the 1SMA4743HR3G Zener diode offers reliable voltage regulation and transient suppression capabilities, making it a valuable component in electronic circuits across diverse applications.

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