SMDJ9.0A-HRA

Product Overview

The SMDJ9.0A-HRA belongs to the category of surface mount transient voltage suppressors (TVS). These devices are designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The SMDJ9.0A-HRA is widely used in various electronic circuits to safeguard against overvoltage conditions. 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: Surface Mount Transient Voltage Suppressor
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMA (DO-214AC)
• Essence: Silicon-based TVS diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMDJ9.0A-HRA
• Peak Pulse Power: 9000W
• Breakdown Voltage: 9.0V
• Operating Voltage: 7.78V
• Maximum Clamping Voltage: 14.5V
• Peak Pulse Current: 146A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMDJ9.0A-HRA features a standard SMA (DO-214AC) package with two pins for surface mounting onto printed circuit boards. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• High surge capability for reliable overvoltage protection
• Low clamping voltage to minimize stress on protected components
• Fast response time to quickly divert transient currents away from sensitive circuits

Advantages and Disadvantages

Advantages: - High surge capability ensures robust protection - Low clamping voltage preserves the integrity of sensitive electronics - Fast response time provides rapid protection during transient events

Disadvantages: - Limited to specific voltage ratings, may require multiple devices for broader protection range - Higher cost compared to traditional transient voltage suppression methods

Working Principles

The SMDJ9.0A-HRA operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the TVS diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively clamps the voltage to a safe level, preventing damage to downstream components.

Detailed Application Field Plans

The SMDJ9.0A-HRA is commonly employed in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative models to consider include: - SMDJ5.0A-HRA (5.0V breakdown voltage) - SMDJ12A-HRA (12V breakdown voltage) - SMBJ15CA-HRA (15V breakdown voltage)

In summary, the SMDJ9.0A-HRA offers robust transient voltage protection with high surge capability, low clamping voltage, and fast response time. Its application spans across various industries, providing essential protection for sensitive electronics.

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