SMDJ22A-HRA Encyclopedia Entry

Product Overview

The SMDJ22A-HRA belongs to the category of transient voltage suppressor diodes. These diodes are widely used for protecting sensitive electronic components from voltage spikes and surges. The SMDJ22A-HRA is characterized by its high reliability, fast response time, and compact package. It is typically available in a surface-mount package and is designed to be used in various electronic circuits to safeguard against transient overvoltage conditions.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and surges
• Characteristics: High reliability, fast response time
• Package: Surface-mount
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Typically supplied in reels or tubes, quantity varies by manufacturer

Specifications

• Part Number: SMDJ22A-HRA
• Voltage Rating: 22V
• Peak Pulse Power: 3000W
• Operating Temperature Range: -55°C to +175°C
• Mounting Type: Surface Mount
• Package / Case: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ22A-HRA typically follows the standard pin configuration for diodes in the DO-214AB package, with the anode connected to one terminal and the cathode connected to the other terminal.

Functional Features

• Fast response to transient overvoltage events
• Low clamping voltage
• High surge current capability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact size for easy integration into circuit designs
• RoHS compliance for environmental friendliness

Disadvantages

• Limited to specific voltage ratings
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMDJ22A-HRA operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from sensitive components, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMDJ22A-HRA 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-HRA: 5V voltage rating, 3000W peak pulse power
• SMDJ12A-HRA: 12V voltage rating, 3000W peak pulse power
• SMDJ30A-HRA: 30V voltage rating, 3000W peak pulse power
• SMDJ40A-HRA: 40V voltage rating, 3000W peak pulse power

In conclusion, the SMDJ22A-HRA transient voltage suppressor diode offers reliable protection against voltage transients in a wide range of electronic applications, making it an essential component for ensuring the longevity and reliability of sensitive electronic circuits.

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