SMAJ5918BE3/TR13

Product Overview

Category

The SMAJ5918BE3/TR13 belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

It is commonly used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Voltage Suppression: Provides protection against voltage spikes and surges.
• Fast Response Time: Rapidly clamps transient voltages to a safe level.
• Low Leakage Current: Minimizes power consumption during normal operation.
• Compact Package: Small form factor for space-constrained applications.

Package

The SMAJ5918BE3/TR13 is typically available in a surface-mount package, such as SMB or SMC, and is compatible with automated assembly processes.

Essence

The essence of this product lies in its ability to safeguard sensitive electronic circuits from potentially damaging voltage transients, ensuring reliable operation and longevity of electronic devices.

Packaging/Quantity

The product is usually supplied in reels or tape and reel packaging, with quantities varying based on customer requirements.

Specifications

• Standoff Voltage: 18V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 20.2V (minimum)
• Reverse Standoff Voltage: 15.3V (maximum)

Detailed Pin Configuration

The SMAJ5918BE3/TR13 typically features a two-pin configuration, with the anode and cathode terminals clearly marked for easy identification during installation.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Bidirectional Protection: Offers protection for both positive and negative voltage transients.
• Low Clamping Voltage: Ensures that the protected circuit operates within safe voltage limits.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low leakage current
• Compact form factor

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive surge protection

Working Principles

The TVS diode works by providing a low-impedance path for transient currents when the voltage exceeds a certain threshold. This effectively diverts the excess energy away from the protected circuit, preventing damage.

Detailed Application Field Plans

The SMAJ5918BE3/TR13 is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

• P6KE18CA: Similar TVS diode with comparable specifications
• 1.5SMC18CA: Surface-mount TVS diode offering similar transient voltage suppression capabilities

In conclusion, the SMAJ5918BE3/TR13 is a vital component in safeguarding electronic circuits from voltage transients, offering fast response times and low leakage current. Its compact form factor and bidirectional protection make it suitable for a wide range of applications, from consumer electronics to industrial systems.

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