SMAJ4744AE3/TR13

Product Overview

Category

The SMAJ4744AE3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for protecting sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

• Fast response time
• Low clamping voltage
• High surge current capability

Package

The SMAJ4744AE3/TR13 is available in a DO-214AC (SMA) package.

Essence

This TVS diode provides robust protection against transient voltage events, ensuring the safety and reliability of electronic circuits.

Packaging/Quantity

It is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 44V
• Maximum Clamping Voltage: 77V
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ4744AE3/TR13 has two pins, anode, and cathode, which are clearly labeled on the device.

Functional Features

• Bi-directional clamping capability
• Low leakage current
• High temperature stability

Advantages

• Provides effective protection against voltage transients
• Fast response time ensures minimal damage to protected circuits
• Compact size allows for easy integration into circuit designs

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes
• May require additional components for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The SMAJ4744AE3/TR13 is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P6KE440A
• 1.5KE33CA
• SMBJ44CA

In conclusion, the SMAJ4744AE3/TR13 is a vital component in safeguarding electronic devices from voltage transients, offering fast response times and high surge current capabilities. Its compact size and bi-directional clamping make it suitable for various applications, although designers should consider its limitations in power dissipation and may need to complement it with other protective components for comprehensive overvoltage protection.