SMBJ43E3/TR13

Product Overview

The SMBJ43E3/TR13 belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly clamp transient voltages to a safe level, thereby protecting sensitive components from damage. The SMBJ43E3/TR13 is available in a compact package and is designed to be easily integrated into various electronic systems.

Basic Information

• Category: Transient Voltage Suppressor Diodes (TVS Diodes)
• Use: Surge protection in electronic circuits
• Characteristics: Rapid clamping of transient voltages, compact package
• Package: SMB (DO-214AA)
• Essence: Protection of sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Peak Pulse Power: 600W
• Breakdown Voltage Range: 37.1V to 48.9V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ43E3/TR13 features a standard SMB (DO-214AA) package with two pins. Pin 1 is the anode, while pin 2 is the cathode.

Functional Features

• Rapid clamping of transient voltages
• Low clamping voltage
• High surge capability
• Fast response time

Advantages and Disadvantages

Advantages

• Effective surge protection
• Compact size
• Wide operating temperature range

Disadvantages

• Limited peak pulse power compared to some higher-power TVS diodes
• May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

When a transient voltage spike occurs in the circuit, the SMBJ43E3/TR13 quickly conducts current to divert the excess energy away from sensitive components. This rapid response helps to limit the voltage across the protected circuit, preventing damage due to overvoltage events.

Detailed Application Field Plans

The SMBJ43E3/TR13 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ33A: Similar characteristics with a lower breakdown voltage range
• SMBJ48CA: Higher breakdown voltage range with similar power dissipation capability
• SMBJ58A: Higher peak pulse power with a slightly larger package size

In conclusion, the SMBJ43E3/TR13 transient voltage suppressor diode offers effective surge protection in a compact package, making it suitable for a wide range of electronic applications.

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