SMAJ18C-E3/5A

Product Overview

Category

The SMAJ18C-E3/5A 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

• Package: SMA (DO-214AC)
• Essence: Transient Voltage Suppressor (TVS) Diode
• Packaging/Quantity: Available in tape and reel packaging with varying quantities depending on supplier and order size.

Specifications

The SMAJ18C-E3/5A has the following key specifications: - Peak Pulse Power: 400W - Breakdown Voltage: 18V - Clamping Voltage: 29.2V - Operating Temperature Range: -55°C to +150°C - Forward Voltage Drop: 0.9V at 1A

Detailed Pin Configuration

The SMAJ18C-E3/5A follows the standard pin configuration for SMA diodes, with two leads for connection to the circuit.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level.
• Fast Response Time: Rapid reaction to voltage transients, protecting downstream components.

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Compact form factor
• Wide operating temperature range

Disadvantages

• Limited maximum clamping voltage
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMAJ18C-E3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from sensitive components, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMAJ18C-E3/5A finds application in various fields including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage transients - Industrial Control Systems: Shielding control circuitry from power supply fluctuations

Detailed and Complete Alternative Models

Some alternative models to the SMAJ18C-E3/5A include: - P6KE18CA: Similar TVS diode with higher peak pulse power - 1.5KE18A: TVS diode with different package and characteristics suitable for specific applications

In conclusion, the SMAJ18C-E3/5A serves as a crucial component in safeguarding electronic circuits from transient voltage events, finding widespread use across various industries due to its compact design and reliable performance.

[Word Count: 398]