SMCJ22A-QH

Product Overview

The SMCJ22A-QH 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 SMCJ22A-QH is designed to provide robust protection against transient overvoltage conditions in a wide range of applications.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: SMC (DO-214AB)
• Essence: Safeguarding electronic circuits from voltage surges
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 22V
• Clamping Voltage: 35.5V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMCJ22A-QH typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit. The pin configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

• Transient Voltage Suppression: Provides rapid response to transient overvoltage conditions, diverting excess current away from sensitive components.
• Low Clamping Voltage: Limits the voltage across the protected circuit to prevent damage to downstream components.
• High Surge Capability: Can withstand large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes and transients
• Fast response time
• Compact package size for easy integration into circuits

Disadvantages

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

Working Principles

The SMCJ22A-QH operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess current away from the protected circuit. This action effectively limits the voltage across the circuit, safeguarding sensitive components.

Detailed Application Field Plans

The SMCJ22A-QH is widely used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ22A-QH include: - SMCJ15A-QH - SMCJ30A-QH - SMCJ40A-QH - SMCJ48A-QH

These alternative models offer different breakdown voltages and clamping voltages to suit specific application requirements.

Note: The information provided is for reference purposes only. It is recommended to consult the datasheet and specifications from the manufacturer for precise details.

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