SMBJ4749E3/TR13

Product Overview

Category

The SMBJ4749E3/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
• RoHS compliant

Package

The SMBJ4749E3/TR13 is available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide robust protection for electronic circuits against transient voltage events.

Packaging/Quantity

The SMBJ4749E3/TR13 is typically packaged in reels and is available in quantities suitable for production and assembly needs.

Specifications

• Standoff Voltage: 43.6V
• Breakdown Voltage: 48.5V
• Maximum Clamping Voltage: 70.1V
• Peak Pulse Current: 30A
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ4749E3/TR13 follows the standard pin configuration for DO-214AA (SMB) package diodes.

Functional Features

• Bi-directional TVS diode
• Low incremental surge resistance
• High reliability and performance under transient conditions

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Fast response time ensures minimal impact on the protected circuit
• RoHS compliant, making it environmentally friendly

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection in complex systems
• Limited to specific voltage ranges

Working Principles

The SMBJ4749E3/TR13 operates by diverting excessive transient currents away from sensitive electronic components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

This TVS diode is commonly used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ4749B: Similar specifications with slightly different voltage ratings
• SMBJ4749C: Higher surge current capability with comparable voltage ratings
• SMBJ4749D: Lower clamping voltage for more sensitive applications

In conclusion, the SMBJ4749E3/TR13 transient voltage suppressor diode offers reliable protection against transient voltage events, making it an essential component in safeguarding electronic circuits across diverse industries.

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