SMAJ18CAHE3/61

Product Overview

Category

The SMAJ18CAHE3/61 belongs to the category of electronic components, specifically within the semiconductor and diode subcategory.

Use

This product is primarily used for voltage regulation and transient voltage suppression in various electronic circuits and systems.

Characteristics

• Voltage Regulation: The SMAJ18CAHE3/61 is designed to regulate voltage spikes and surges, protecting sensitive electronic components.
• High-Speed Response: It offers rapid response to transient voltage events, ensuring minimal impact on the connected circuitry.
• Compact Package: The product is housed in a small, space-efficient package, making it suitable for integration into compact electronic devices.
• Robustness: It exhibits robust performance under varying environmental conditions, ensuring reliability in diverse applications.

Package

The SMAJ18CAHE3/61 is typically available in a surface-mount package, facilitating easy installation onto printed circuit boards (PCBs).

Essence

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

Packaging/Quantity

It is commonly supplied in reels or tubes, with quantities varying based on manufacturer specifications. Typical quantities range from hundreds to thousands per reel or tube.

Specifications

• Voltage Rating: 18V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMA (DO-214AC)
• Mounting Type: Surface Mount
• Polarity: Unidirectional

Detailed Pin Configuration

The SMAJ18CAHE3/61 features two pins, with the anode and cathode connections clearly marked for easy identification during installation.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Provides efficient protection by limiting the peak voltage across the circuit.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

• Effective voltage regulation and transient suppression
• Compact form factor for space-constrained applications
• Robust performance across varying environmental conditions

Disadvantages

• Limited to unidirectional transient voltage suppression
• May require additional components for bidirectional protection in certain applications

Working Principles

The SMAJ18CAHE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit, preventing damage to sensitive components.

Detailed Application Field Plans

Electronic Devices

• Used in power supplies, consumer electronics, and industrial control systems to protect against voltage transients.
• Integrated into communication equipment to ensure reliable operation in the presence of electrical disturbances.

Automotive Systems

• Employed in automotive electronics to safeguard sensitive components from voltage spikes caused by load dumps and other transient events.

Renewable Energy Systems

• Utilized in solar inverters and wind turbine control systems to enhance the resilience of power electronics against transient voltage fluctuations.

Detailed and Complete Alternative Models

• Alternative Model 1: P6KE18CA
• Alternative Model 2: 1.5KE18CA
• Alternative Model 3: SMBJ18CA

In summary, the SMAJ18CAHE3/61 serves as a crucial component in electronic systems, providing essential transient voltage suppression capabilities to ensure the reliability and longevity of connected devices. Its compact design, robust performance, and fast response time make it a valuable asset in diverse applications across various industries.

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