SMA5J20CA-E3/61

Product Overview

Category

The SMA5J20CA-E3/61 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against transient voltage spikes.

Characteristics

• Voltage Suppression: Capable of suppressing high voltage transients.
• Fast Response Time: Provides quick response to transient events.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit during clamping.

Package

The SMA5J20CA-E3/61 is available in a SMA package, which is a surface-mount package with two leads for easy installation on PCBs.

Essence

The essence of SMA5J20CA-E3/61 lies in its ability to protect sensitive electronic components from voltage surges, ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

The product is typically packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

• Standoff Voltage: 20V
• Peak Pulse Power: 5000W
• Breakdown Voltage: 22.2V
• Maximum Clamping Voltage: 32.4V
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMA5J20CA-E3/61 has a simple two-pin configuration, with one pin serving as the anode and the other as the cathode.

Functional Features

• Transient Voltage Protection: Effectively suppresses transient voltage spikes to protect downstream components.
• Low Leakage Current: Minimizes power loss and ensures efficient operation.
• High Surge Capability: Capable of handling high surge currents without degradation.

Advantages

• Reliable Protection: Provides reliable protection against voltage surges, enhancing the durability of electronic equipment.
• Compact Design: The compact SMA package allows for space-efficient integration into circuit designs.
• Wide Operating Temperature Range: Suitable for use in diverse environmental conditions.

Disadvantages

• Limited Standoff Voltage: May not be suitable for applications requiring higher standoff voltages.
• Single-Channel Protection: Provides protection for a single channel, necessitating multiple units for broader protection.

Working Principles

The SMA5J20CA-E3/61 operates based on the principle of avalanche breakdown, where it rapidly clamps the voltage to a safe level upon detecting a transient surge, thereby protecting the connected circuitry.

Detailed Application Field Plans

The SMA5J20CA-E3/61 finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Ensuring the reliability of control systems in industrial environments.

Detailed and Complete Alternative Models

• SMAJ20A: Similar specifications with a slightly different package.
• SMA6J20A: Higher peak pulse power rating for more demanding applications.
• SMAJ20CA: Lower standoff voltage variant for lower voltage applications.

In conclusion, the SMA5J20CA-E3/61 is a versatile TVS diode that offers reliable surge protection for a wide range of electronic applications, despite its limitations in certain voltage ranges. Its compact design, fast response time, and high surge capability make it a valuable component in safeguarding electronic systems from transient voltage events.

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