SMCJ12A-HRA English Editing Encyclopedia Entry

Product Overview

The SMCJ12A-HRA belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMCJ12A-HRA is designed to provide robust protection against transient overvoltage conditions in a variety of applications.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High reliability, fast response time, low clamping voltage
• Package: SMA (DO-214AC)
• Essence: Safeguarding electronic circuits from voltage surges
• Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage: 12V
• Operating Voltage: 10.3V
• Clamping Voltage: 19.9V
• Maximum Reverse Leakage Current: 1µA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ12A-HRA follows the standard SMA (DO-214AC) package configuration with two pins for connection. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time to transient overvoltage events
• Low clamping voltage to protect downstream components
• High reliability and robustness in harsh environments

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• Wide operating temperature range

Disadvantages

• Higher cost compared to traditional diode solutions
• Requires careful consideration of reverse leakage current in some applications

Working Principles

The SMCJ12A-HRA operates by diverting excess transient voltage away from sensitive components. When a voltage surge occurs, the diode rapidly conducts, providing a low impedance path for the excess energy to be dissipated, thus protecting the downstream circuitry.

Detailed Application Field Plans

The SMCJ12A-HRA is widely used in various applications including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMCJ5.0A-HRA: 5V breakdown voltage variant
• SMCJ24A-HRA: 24V breakdown voltage variant
• SMCJ36A-HRA: 36V breakdown voltage variant
• SMCJ48A-HRA: 48V breakdown voltage variant

In summary, the SMCJ12A-HRA transient voltage suppressor diode offers reliable protection against voltage transients and spikes, making it an essential component in safeguarding sensitive electronic circuits across various industries.

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