SMBJ4742/TR13

Product Overview

Category

The SMBJ4742/TR13 belongs to the category of transient voltage suppressor (TVS) diodes.

Use

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

Characteristics

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

Package

The SMBJ4742/TR13 is typically available in a surface mount package.

Essence

The essence of the SMBJ4742/TR13 lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMBJ4742/TR13 is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 600W
• Breakdown Voltage: 42V
• Operating Voltage: 36.8V
• Maximum Clamping Voltage: 58.1V
• Leakage Current: 1µA

Detailed Pin Configuration

The SMBJ4742/TR13 typically has two pins, with the anode and cathode connections clearly marked for easy identification.

Functional Features

• Bi-directional TVS diode
• Low clamping voltage
• Fast response time

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Fast response time ensures minimal impact on the protected circuit
• Compact size for easy integration into circuit designs

Disadvantages

• Limited surge current handling capability compared to larger TVS diodes
• May require additional circuitry for comprehensive transient protection in high-power applications

Working Principles

When a transient voltage event occurs, the SMBJ4742/TR13 rapidly conducts excess current away from the protected circuit, limiting the voltage across the circuit to a safe level.

Detailed Application Field Plans

The SMBJ4742/TR13 is commonly used in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ5.0A: Similar TVS diode with higher breakdown voltage
• SMBJ24CA: TVS diode with lower breakdown voltage for specific applications
• SMBJ58A: TVS diode with higher surge current capability

In conclusion, the SMBJ4742/TR13 transient voltage suppressor diode offers effective protection against transient voltage events, making it a crucial component in safeguarding sensitive electronic circuits across various industries.

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