SMDJ120A-HR

Product Overview

The SMDJ120A-HR belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMDJ120A-HR is characterized by its high reliability, fast response time, and low clamping voltage. It is typically packaged in a surface-mount package and is available in various quantities.

Specifications

• Model: SMDJ120A-HR
• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High reliability, fast response time, low clamping voltage
• Package: Surface-mount
• Packaging/Quantity: Various options available

Detailed Pin Configuration

The SMDJ120A-HR typically features a standard surface-mount diode pin configuration with clearly labeled anode and cathode pins for easy installation on printed circuit boards.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• High Reliability: Designed for consistent performance and longevity in demanding applications.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High reliability

Disadvantages

• May exhibit some leakage current in certain operating conditions
• Limited power dissipation capability

Working Principles

The SMDJ120A-HR operates by diverting excessive voltage away from sensitive components, thereby limiting the voltage across the protected circuit. When a transient voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMDJ120A-HR is commonly used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMDJ5.0A-HR: Lower voltage rating alternative
• SMDJ170A-HR: Higher voltage rating alternative
• P6KE120A-HR: Axial lead package alternative

In conclusion, the SMDJ120A-HR transient voltage suppressor diode offers reliable protection against voltage spikes and transients, making it a valuable component in a wide range of electronic applications.

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