SMBJ43-E3/5B

Product Overview

The SMBJ43-E3/5B belongs to the category of transient voltage suppressor diodes. These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The SMBJ43-E3/5B is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically available in a compact package and is designed for easy integration into various electronic systems.

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: SMB (DO-214AA)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMBJ43-E3/5B
• Peak Pulse Power: 600 Watts
• Breakdown Voltage: 43V
• Operating Temperature Range: -55°C to +150°C
• Forward Voltage: 3.5V at 10A
• Reverse Standoff Voltage: 43V

Detailed Pin Configuration

The SMBJ43-E3/5B features a standard SMB (DO-214AA) package with two pins. 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: Ability to withstand high surge currents

Advantages and Disadvantages

Advantages

• Effective protection of sensitive electronic components
• Fast response time ensures minimal impact on the circuit
• Compact package for easy integration

Disadvantages

• Limited to specific voltage and current ratings
• May require additional circuitry for comprehensive protection in complex systems

Working Principles

The SMBJ43-E3/5B operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across them. When a transient voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess current and clamping the voltage to a safe level.

Detailed Application Field Plans

The SMBJ43-E3/5B is commonly used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ33CA: 33V Reverse Standoff Voltage
• SMBJ48A: 48V Reverse Standoff Voltage
• SMBJ58CA: 58V Reverse Standoff Voltage
• SMBJ78A: 78V Reverse Standoff Voltage

In summary, the SMBJ43-E3/5B transient voltage suppressor diode offers effective protection against voltage spikes and transients in a wide range of electronic applications. Its fast response time, high surge capability, and compact package make it a valuable component in safeguarding sensitive electronic systems.

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