SMBJ43A-E3/52

Product Overview

The SMBJ43A-E3/52 belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used for protecting sensitive electronic components from voltage spikes and transients. The SMBJ43A-E3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically available in a DO-214AA (SMB) package and is designed to be used across various applications where protection against voltage surges is crucial.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AA (SMB)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Peak Pulse Power: 600W
• Breakdown Voltage: 43V
• Operating Voltage: 36.8V
• Clamping Voltage: 58.1V
• Peak Pulse Current: 19.4A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ43A-E3/52 typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages
• Fast Response Time: Rapid reaction to voltage spikes
• High Surge Capability: Able to withstand high surge currents

Advantages and Disadvantages

Advantages

• Effective protection of sensitive electronic components
• Fast response time ensures minimal damage from voltage spikes
• High surge capability provides robust protection

Disadvantages

• Clamping voltage may still allow some voltage to pass through, albeit at a reduced level
• Requires careful consideration of placement and circuit design for optimal performance

Working Principles

The SMBJ43A-E3/52 operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting the excess current away from the protected components and limiting the voltage across them.

Detailed Application Field Plans

The SMBJ43A-E3/52 finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Consumer Electronics: Safeguarding sensitive circuits in electronic devices - Automotive Electronics: Shielding automotive systems from voltage transients - Industrial Equipment: Ensuring reliability of industrial control systems

Detailed and Complete Alternative Models

• SMBJ33A-E3/52: Breakdown Voltage - 33V
• SMBJ48A-E3/52: Breakdown Voltage - 48V
• SMBJ58A-E3/52: Breakdown Voltage - 58V
• SMBJ78A-E3/52: Breakdown Voltage - 78V

In conclusion, the SMBJ43A-E3/52 transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in various electronic systems.

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