SMCJ28CAHE3/9AT

Product Category

The SMCJ28CAHE3/9AT belongs to the category of transient voltage suppressor diodes.

Basic Information Overview

• Use: The SMCJ28CAHE3/9AT is used for surge protection in electronic circuits, providing a high level of protection against voltage transients.
• Characteristics: It has a low clamping voltage, fast response time, and high surge current capability.
• Package: The device is available in a DO-214AB (SMC) package.
• Essence: The essence of the SMCJ28CAHE3/9AT lies in its ability to protect sensitive electronic components from voltage spikes and surges.
• Packaging/Quantity: It is typically packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 31.1V
• Clamping Voltage: 53.5V
• Operating Temperature Range: -55°C to +175°C
• Polarity: Unidirectional

Detailed Pin Configuration

The SMCJ28CAHE3/9AT has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage transients.
• Fast Response Time: Reacts quickly to voltage spikes, minimizing the risk of damage to downstream circuitry.

Advantages and Disadvantages

• Advantages:
  • High surge current capability
  • Low clamping voltage
  • Fast response time
• Disadvantages:
  • Unidirectional protection only
  • May require additional components for comprehensive surge protection in complex circuits

Working Principles

The SMCJ28CAHE3/9AT works by shunting excess current to ground when a voltage transient occurs, thereby limiting the voltage across the protected load.

Detailed Application Field Plans

• Telecommunications: Protecting communication equipment from lightning-induced surges.
• Industrial Control Systems: Safeguarding PLCs and other control electronics from power line transients.
• Automotive Electronics: Providing surge protection for vehicle electronic systems.

Detailed and Complete Alternative Models

• 1. P6SMBJ28CA: Similar specifications, different package (DO-214AA)
• 2. SMBJ28CA: Lower peak pulse power rating, same breakdown voltage

This comprehensive range of alternative models ensures that designers can select the most suitable device based on their specific application requirements.

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This entry provides a detailed overview of the SMCJ28CAHE3/9AT, covering its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.