SMAJ43-E3/61

Product Overview

Category

The SMAJ43-E3/61 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.

Package

The SMAJ43-E3/61 is typically available in a surface mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from voltage fluctuations, ensuring the reliability and longevity of the connected components.

Packaging/Quantity

The SMAJ43-E3/61 is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

• Part Number: SMAJ43-E3/61
• Breakdown Voltage: 43V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to 150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ43-E3/61 features a standard DO-214AC (SMA) package with two pins. The pinout configuration is as follows: 1. Anode 2. Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Provides a low clamping voltage to limit the stress on connected circuits during transient events.

Advantages

• Protection: Safeguards sensitive electronic components from voltage spikes and surges.
• Compact Design: Small form factor allows for easy integration into circuit layouts.
• Fast Response: Rapid response time ensures minimal disruption during transient events.

Disadvantages

• Limited Voltage Range: Designed for specific voltage ratings, may not be suitable for applications requiring higher voltage suppression.

Working Principles

The SMAJ43-E3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

Consumer Electronics

• Used in power supply units and interface circuits to protect against voltage surges from external sources.

Automotive Electronics

• Integrated into automotive control modules and sensor circuits to safeguard against voltage transients induced by the vehicle's electrical system.

Industrial Equipment

• Employed in industrial automation systems to shield sensitive control electronics from voltage fluctuations in the power supply.

Detailed and Complete Alternative Models

• P6KE43CA: Similar transient voltage suppressor with a 43V breakdown voltage.
• 1.5KE43A: Higher power handling capability with a 43V breakdown voltage, suitable for more demanding applications.

In conclusion, the SMAJ43-E3/61 serves as a crucial component in protecting electronic circuits from transient voltage events, offering a balance of compact design, rapid response, and effective voltage suppression. Its application spans across various industries, ensuring the reliability of critical electronic systems. While it has specific limitations, alternative models provide flexibility to accommodate diverse voltage suppression requirements.