SMDJ22CA-T7 Encyclopedia Entry

Product Overview

Category

The SMDJ22CA-T7 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, particularly in applications where protection against transient voltage spikes is crucial.

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 transient events.
• Compact Size: Designed for space-constrained applications.
• RoHS Compliant: Environmentally friendly construction.

Package

The SMDJ22CA-T7 is available in a surface-mount package, typically in tape and reel packaging for automated assembly.

Essence

The essence of the SMDJ22CA-T7 lies in its ability to protect sensitive electronic components from voltage transients, ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

It is commonly packaged in reels containing a specific quantity, such as 1000 units per reel.

Specifications

• Peak Pulse Power: 3000 W
• Breakdown Voltage: 22 V
• Clamping Voltage: 35.5 V
• Operating Temperature Range: -55°C to 150°C
• Package Type: SMC (DO-214AB)

Detailed Pin Configuration

The SMDJ22CA-T7 typically features a standard SMC (DO-214AB) package with two pins for surface mounting onto a printed circuit board.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltage spikes to protect downstream components.
• Fast Response: Rapid reaction time to transient events ensures minimal impact on the protected circuit.
• Low Leakage Current: Maintains low leakage current under normal operating conditions.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact size for space-constrained applications

Disadvantages

• Limited to specific voltage and power ratings
• May require additional components for comprehensive surge protection in complex systems

Working Principles

The SMDJ22CA-T7 operates based on the principle of avalanche breakdown, where it rapidly diverts excess transient energy away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMDJ22CA-T7 finds extensive use in various applications, including: - Telecommunication Equipment: Protecting sensitive communication circuits from lightning-induced surges. - Industrial Control Systems: Safeguarding control electronics from voltage transients in industrial environments. - Automotive Electronics: Providing surge protection for vehicle electronic systems.

Detailed and Complete Alternative Models

• P6SMB22CA: Similar TVS diode with slightly different specifications.
• SMAJ22CA: Alternative TVS diode with a smaller package size.
• SMBJ22CA: TVS diode with similar characteristics but in a different package type.

In conclusion, the SMDJ22CA-T7 serves as a reliable and efficient solution for protecting electronic circuits from transient voltage events, offering fast response and compact design. Its application spans across diverse industries, ensuring the integrity of electronic systems in the face of voltage transients.

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