SMDJ18CA-HRAT7

Introduction

The SMDJ18CA-HRAT7 is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronic components from voltage transients. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Transient Suppression
• Characteristics: High Performance, Fast Response Time
• Package: SMD (Surface Mount Device)
• Essence: Protection of Sensitive Electronics
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 18 V
• Operating Voltage: 15.3 V
• Reverse Standoff Voltage: 15 V
• Clamping Voltage: 24.4 V
• Operating Temperature Range: -55°C to +150°C
• Mounting Type: Surface Mount

Detailed Pin Configuration

The SMDJ18CA-HRAT7 has a standard SMD package with two terminals for surface mounting onto PCBs. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Rapidly responds to transient voltage spikes, safeguarding connected circuits.

Advantages and Disadvantages

Advantages

• High Peak Pulse Power Handling Capability
• Low Clamping Voltage
• Wide Operating Temperature Range

Disadvantages

• Sensitive to Improper Installation
• Limited ESD (Electrostatic Discharge) Protection

Working Principles

The SMDJ18CA-HRAT7 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts excess current to ground, preventing damage to downstream components.

Detailed Application Field Plans

The SMDJ18CA-HRAT7 is commonly used in various applications, including: - Telecommunication Equipment: Protects sensitive circuitry in communication devices from voltage surges. - Industrial Control Systems: Safeguards control systems from power line transients and lightning-induced surges. - Automotive Electronics: Provides surge protection for automotive electronics, such as ECUs and infotainment systems.

Detailed and Complete Alternative Models

• SMAJ18A: Similar specifications and characteristics, SMA package
• P6SMB18CA: Higher peak pulse power, SMB package
• 5KP18A: Higher breakdown voltage, axial lead package

In conclusion, the SMDJ18CA-HRAT7 is a vital component in protecting electronic circuits from voltage transients, offering high performance and reliability across various applications.

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