SMAJ85AHE3/61

Product Overview

Category

The SMAJ85AHE3/61 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 protect downstream components.
• Fast Response Time: Rapid response to voltage transients, minimizing the risk of damage.
• Compact Size: Small form factor for easy integration into circuit designs.
• Robust Packaging: Designed to withstand environmental stress and mechanical damage.

Package

The SMAJ85AHE3/61 is typically available in a surface-mount package, ensuring ease of installation on printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to safeguard electronic circuits from voltage fluctuations, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

The product is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

• Voltage Rating: 85V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 94.4V to 105V
• Reverse Standoff Voltage: 85V
• Clamping Voltage: 137V
• Maximum Surge Current: 11.6A

Detailed Pin Configuration

The SMAJ85AHE3/61 typically features two pins for surface-mount soldering onto PCBs. The pin configuration is as follows: - Pin 1: Anode - Pin 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.
• Fast Response Time: Rapid reaction to voltage spikes, limiting the duration of exposure to high voltages.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact size for easy integration
• Fast response time for enhanced protection

Disadvantages

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

Working Principles

The SMAJ85AHE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to high voltages, diverting the transient energy away from sensitive components.

Detailed Application Field Plans

Electronic Circuits

The SMAJ85AHE3/61 finds extensive use in electronic circuits, including power supplies, communication equipment, and consumer electronics, where protection against voltage surges is critical.

Industrial Control Systems

In industrial settings, this component is employed to safeguard control systems, PLCs, and instrumentation from voltage transients induced by electrical noise or external disturbances.

Automotive Electronics

Within automotive applications, the SMAJ85AHE3/61 plays a vital role in protecting onboard electronics from voltage spikes caused by load dumps, ESD events, or other transient conditions.

Detailed and Complete Alternative Models

• P6KE85CA: A similar transient voltage suppressor with a peak power rating of 600W.
• 1.5KE85A: Offers a higher peak pulse power of 1500W for more demanding transient protection requirements.
• SMBJ85A: A surface-mount device with a lower profile, suitable for space-constrained applications.

In conclusion, the SMAJ85AHE3/61 serves as a crucial component in mitigating the impact of transient voltage events on electronic systems, offering reliable protection and contributing to the overall robustness of electronic designs.

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