SMAJ85-E3/5A

Product Overview

Category

The SMAJ85-E3/5A belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages to safeguard connected components.
• Fast Response Time: Rapid response to voltage transients, ensuring minimal impact on the protected circuitry.
• Compact Package: Small form factor for easy integration into various electronic designs.
• Robustness: Designed to withstand high-energy transients without degradation.

Package

The SMAJ85-E3/5A is typically available in a surface-mount package, offering ease of installation and space efficiency.

Essence

The essence of this product lies in its ability to provide reliable protection against voltage transients, thereby enhancing the longevity and reliability of electronic systems.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Part Number: SMAJ85-E3/5A
• Peak Pulse Power: 400W
• Breakdown Voltage: 85V
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ85-E3/5A features a standard DO-214AC (SMA) package with two pins. The pin configuration is as follows: 1. Anode 2. Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
• Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage stress during transient events.
• Bidirectional Protection: Offers protection for both positive and negative voltage transients.

Advantages

• Effective Protection: Safeguards sensitive electronics from voltage spikes, preventing damage and downtime.
• Compact Design: Small form factor enables seamless integration into various electronic layouts.
• Wide Operating Temperature Range: Suitable for diverse environmental conditions.

Disadvantages

• Limited Peak Power Handling: May not be suitable for applications with extremely high transient energy levels.
• Unidirectional Clamping: Not suitable for applications requiring exclusive unidirectional protection.

Working Principles

The SMAJ85-E3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a transient voltage, diverting the energy away from the protected circuitry.

Detailed Application Field Plans

This product finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Ensuring the reliability of control circuitry in industrial environments.

Detailed and Complete Alternative Models

• P6KE85CA: Similar transient voltage suppressor with a higher peak power rating.
• 1.5KE85A: Alternative model offering enhanced peak pulse power handling.

In conclusion, the SMAJ85-E3/5A serves as a crucial component in protecting electronic systems from transient voltage events, offering a balance of performance and compactness. Its application spans across diverse industries, contributing to the resilience and longevity of electronic devices and systems.

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