SML4743AHE3/61 - English Editing Encyclopedia Entry

Product Overview

The SML4743AHE3/61 belongs to the category of Zener diodes and is commonly used for voltage regulation and protection in electronic circuits. This diode exhibits characteristics such as high reliability, low impedance, and precise voltage regulation. It is typically packaged in a small, surface-mount package, making it suitable for compact electronic designs. The essence of this product lies in its ability to maintain a constant voltage across its terminals, ensuring stable operation of connected components. The SML4743AHE3/61 is usually available in tape and reel packaging with a specific quantity per reel.

Specifications

• Voltage Range: 6.2V to 200V
• Power Dissipation: 1.5W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +175°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SML4743AHE3/61 Zener diode features a standard DO-214AC (SMA) package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The primary function of the SML4743AHE3/61 Zener diode is to regulate voltage by maintaining a constant voltage drop across its terminals. It achieves this by allowing current to flow in reverse bias when the applied voltage reaches the specified Zener voltage.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• High reliability
• Low impedance
• Compact surface-mount package

Disadvantages

• Limited power dissipation capability
• Vulnerable to thermal runaway under certain conditions

Working Principles

When the voltage across the SML4743AHE3/61 Zener diode exceeds its specified Zener voltage, it begins to conduct in the reverse bias direction, effectively clamping the voltage to the Zener voltage level. This characteristic allows it to regulate the voltage in electronic circuits, providing protection against voltage spikes and fluctuations.

Detailed Application Field Plans

The SML4743AHE3/61 Zener diode finds extensive application in various electronic systems, including: - Voltage regulation in power supplies - Overvoltage protection in automotive electronics - Signal clamping in communication circuits - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the SML4743AHE3/61 Zener diode include: - BZX84C6V2LT1G - MMSZ5248BT1G - 1N4738ATR

In conclusion, the SML4743AHE3/61 Zener diode offers precise voltage regulation and protection in a compact package, making it a versatile component in various electronic applications.

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