SMAJ14A-M3/5A

Product Overview

Category

The SMAJ14A-M3/5A belongs to the category of semiconductor devices, specifically a type of TVS (Transient Voltage Suppressor) diode.

Use

It is 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 safe levels.
• Compact Package: Small form factor for easy integration into circuit designs.
• RoHS Compliant: Environmentally friendly construction.

Package

The SMAJ14A-M3/5A is typically available in a surface-mount package, such as SMB or SMC, and is supplied in tape and reel packaging for automated assembly.

Essence

The essence of the SMAJ14A-M3/5A lies in its ability to safeguard electronic circuits from potentially damaging voltage transients, ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

It is commonly packaged in reels containing a quantity of 3000 units per reel.

Specifications

• Standoff Voltage: 12.8V
• Breakdown Voltage: 14.2V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to 150°C
• Package Type: SMB

Detailed Pin Configuration

The SMAJ14A-M3/5A typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• Transient Voltage Suppression: Quickly clamps transient voltages to safe levels, protecting downstream components.
• Low Clamping Voltage: Ensures that the protected circuitry is not subjected to excessive voltage levels.
• Fast Response Time: Reacts swiftly to transient events, minimizing the risk of damage.

Advantages

• Effective protection against voltage transients.
• Compact size for easy integration into circuit designs.
• RoHS compliant, environmentally friendly construction.

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes.
• May require additional circuitry for handling high-energy transient events.

Working Principles

The SMAJ14A-M3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The SMAJ14A-M3/5A is widely used in various electronic systems, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMAJ14A-M3/5A include: - P6SMBJ14A - 1.5SMCJ14A - SMBJ14CA

In conclusion, the SMAJ14A-M3/5A is a crucial component in protecting electronic circuits from transient voltage events, offering fast response times and compact packaging. While it has limitations in power dissipation, its advantages make it a popular choice for various applications.

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