SML4738AHE3/61 - Product Overview and Analysis

Introduction

The SML4738AHE3/61 is a semiconductor product belonging to the category of Zener diodes. This component is widely used in electronic circuits for voltage regulation and protection due to its unique characteristics. In this entry, we will provide an overview of the SML4738AHE3/61, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Precise voltage regulation, low impedance, high reliability
• Package: DO-214AC (SMA), SOD-1061
• Essence: Semiconductor device for maintaining a stable voltage across a load
• Packaging/Quantity: Available in reels with varying quantities

Specifications

• Voltage Range: 3.3V to 200V
• Power Dissipation: 1.5W
• Zener Impedance: 10Ω
• Operating Temperature Range: -65°C to +175°C
• Storage Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The SML4738AHE3/61 typically consists of two pins, with the cathode connected to the semiconductor's N-type material and the anode connected to the P-type material.

Functional Features

• Precise Voltage Regulation: Maintains a constant voltage across the load within its operating range.
• Overvoltage Protection: Safeguards sensitive components by diverting excess voltage away from the circuit.
• Low Impedance: Ensures minimal impact on the overall circuit performance.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Compact package size
• Wide voltage range options

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The SML4738AHE3/61 operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals by allowing current to flow in reverse bias when the applied voltage exceeds its breakdown voltage.

Detailed Application Field Plans

The SML4738AHE3/61 finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in automotive electronics - Signal clamping in communication systems - Voltage reference in instrumentation circuits

Detailed and Complete Alternative Models

Several alternative models to the SML4738AHE3/61 include: - 1N4728A - BZX55C3V3 - MMSZ5232B - 1N5338B

In conclusion, the SML4738AHE3/61 Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide voltage range make it suitable for diverse applications, despite its limitations in power dissipation and temperature sensitivity.

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