SMAJ43CA-13

Introduction

SMAJ43CA-13 is a product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diodes
• Use: Protection against voltage transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA (DO-214AC)
• Essence: Provides protection to sensitive electronic components from voltage spikes
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Part Number: SMAJ43CA-13
• Peak Pulse Power: 400W
• Breakdown Voltage: 43V
• Operating Voltage: 36.8V
• Maximum Reverse Leakage Current: 1µA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ43CA-13 typically has two pins, with the cathode marked with a bar or line on the body of the diode.

Functional Features

• Transient Voltage Suppression: Quickly clamps voltage spikes to protect downstream components
• Fast Response Time: Rapid reaction to transient events
• Low Clamping Voltage: Limits the voltage across the protected circuit

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage

Disadvantages

• Limited surge current capability compared to some higher-rated devices
• May require additional circuitry for comprehensive protection in high-energy environments

Working Principles

When a voltage transient occurs, the SMAJ43CA-13 conducts and clamps the voltage to a safe level, protecting the connected circuitry from damage.

Detailed Application Field Plans

• Telecommunications: Protecting sensitive communication equipment from lightning-induced surges
• Automotive Electronics: Safeguarding vehicle electronics from voltage spikes
• Industrial Control Systems: Shielding control circuitry from power line disturbances

Detailed and Complete Alternative Models

• P6KE43CA: Similar specifications, axial package
• 1.5SMC43CA: Higher surge current capability, SMC package
• SMBJ43CA: Lower profile package, similar electrical characteristics

In conclusion, SMAJ43CA-13 is a vital component in protecting electronic circuits from voltage transients, offering fast response and low clamping voltage. Its applications span various industries, and it has several alternative models with similar functionalities.

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