SMCJ48ATR - Product Encyclopedia Entry

Introduction

The SMCJ48ATR is a component 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, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against transient voltage spikes
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMC (DO-214AB)
• Essence: Provides protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 48V
• Operating Voltage: 40.5V
• Clamping Voltage: 65.3V
• Peak Pulse Current: 58.6A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ48ATR typically consists of two leads, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to protect downstream components.
• Fast Response Time: Reacts quickly to voltage spikes, minimizing potential damage.
• High Surge Current Capability: Can handle large surges without degradation.

Advantages and Disadvantages

• Advantages:
  • Effective protection against transient voltage spikes
  • Fast response time
  • High surge current capability
• Disadvantages:
  • Clamping voltage may be higher than some alternative models
  • Requires careful consideration of placement in circuit design

Working Principles

The SMCJ48ATR operates by diverting excessive voltage away from sensitive components when a transient voltage spike occurs. It achieves this through rapid conduction, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ48ATR is commonly used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Power Supplies: Safeguarding power supply units from voltage transients - Automotive Electronics: Shielding vehicle electronics from voltage fluctuations - Industrial Control Systems: Ensuring reliability in industrial automation environments

Detailed and Complete Alternative Models

Some alternative models to consider include: - P6KE48CA: Similar breakdown voltage and peak pulse power - 1.5SMC48CA: Comparable characteristics and package type - SA48CA: Different package type but similar electrical specifications

In conclusion, the SMCJ48ATR is a vital component in protecting electronic circuits from transient voltage spikes, offering fast response times and high surge current capabilities. Its application spans across various industries, and while it has specific advantages, careful consideration of its characteristics and alternatives is essential in circuit design.

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