SMAJ18-E3/61

Product Overview

Category

The SMAJ18-E3/61 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for voltage clamping and transient surge protection in various electronic circuits and systems.

Characteristics

• Voltage Clamping: The SMAJ18-E3/61 is designed to clamp transient overvoltage events to a safe level, protecting downstream components.
• Fast Response Time: This device offers a rapid response time to transient surges, minimizing the risk of damage to sensitive electronics.
• Compact Package: The SMAJ18-E3/61 is available in a compact package, making it suitable for integration into space-constrained designs.
• Reliable Performance: It provides reliable performance under transient surge conditions, ensuring the integrity of connected circuits.

Package

The SMAJ18-E3/61 is typically available in a surface mount package, offering ease of installation and compatibility with modern circuit board designs.

Essence

The essence of the SMAJ18-E3/61 lies in its ability to safeguard electronic circuits from transient voltage spikes, thereby enhancing the overall reliability of electronic systems.

Packaging/Quantity

This product is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

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

Detailed Pin Configuration

The SMAJ18-E3/61 features a standard SMA (DO-214AC) package with two pins. Pin 1 is the anode, while pin 2 serves as the cathode.

Functional Features

• Transient Surge Protection: The SMAJ18-E3/61 effectively clamps transient voltage spikes to protect downstream components.
• Fast Response: It offers a rapid response time to transient surges, limiting the duration of high-voltage events.

Advantages and Disadvantages

Advantages

• Effective transient surge protection
• Fast response time
• Compact form factor

Disadvantages

• Limited to unidirectional protection
• May require additional components for bidirectional protection

Working Principles

The working principle of the SMAJ18-E3/61 involves utilizing its breakdown voltage to divert excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMAJ18-E3/61 finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Consumer Electronics: Safeguarding sensitive electronic devices from power line transients. - Automotive Electronics: Providing surge protection for automotive control systems.

Detailed and Complete Alternative Models

• SMAJ5.0A-E3/61: Breakdown Voltage: 5.0V, Peak Pulse Power: 400W
• SMAJ12A-E3/61: Breakdown Voltage: 12V, Peak Pulse Power: 400W
• SMAJ24A-E3/61: Breakdown Voltage: 24V, Peak Pulse Power: 400W

In conclusion, the SMAJ18-E3/61 serves as a crucial component in protecting electronic circuits from transient voltage surges, offering fast response and reliable performance. Its compact form factor and wide operating temperature range make it suitable for diverse applications across various industries.

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