SMBJ8.5CA - Product Overview

Introduction

The SMBJ8.5CA is a transient voltage suppressor diode that belongs to the category of electronic components used for surge protection in various electrical and electronic circuits. This entry provides an overview of the SMBJ8.5CA, including 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: Surge protection in electrical and electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AA (SMB), SMD/SMT package
• Essence: Protection against transient overvoltage conditions
• Packaging/Quantity: Available in tape and reel packaging, with varying quantities based on supplier and customer requirements

Specifications

• Part Number: SMBJ8.5CA
• Standoff Voltage: 8.5V
• Breakdown Voltage: 9.4V
• Peak Pulse Power: 600W
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ8.5CA follows the standard pin configuration for DO-214AA (SMB) package diodes, with two terminals for connection to the circuit.

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during transient voltage events.
• Fast Response Time: Reacts quickly to transient voltage spikes, minimizing the risk of damage to connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit during surge events, safeguarding sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components
• Fast response time ensures minimal disruption during transient events
• Compact SMD/SMT package for easy integration into circuit designs

Disadvantages

• Limited to specific voltage ranges, may not be suitable for all applications
• Requires careful consideration of placement within the circuit for optimal performance

Working Principles

The SMBJ8.5CA operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its breakdown voltage, thereby protecting downstream components from damage due to transient voltage spikes.

Detailed Application Field Plans

The SMBJ8.5CA finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage transients - Industrial Control Systems: Ensuring reliable operation of control and monitoring systems in industrial environments

Detailed and Complete Alternative Models

• SMBJ5.0A: Standoff Voltage - 5.0V, Breakdown Voltage - 6.4V, Peak Pulse Power - 600W
• SMBJ12A: Standoff Voltage - 12V, Breakdown Voltage - 13.3V, Peak Pulse Power - 600W
• SMBJ24A: Standoff Voltage - 24V, Breakdown Voltage - 26.7V, Peak Pulse Power - 600W

In conclusion, the SMBJ8.5CA transient voltage suppressor diode offers effective surge protection with its fast response time and low clamping voltage, making it a valuable component in various electronic circuits.

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