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.

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.