SMBJ45CA-E3/5B

Product Overview

The SMBJ45CA-E3/5B belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMBJ45CA-E3/5B is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a compact SMB package and is available in tape and reel packaging with varying quantities.

Specifications

• Part Number: SMBJ45CA-E3/5B
• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMB
• Packaging/Quantity: Tape and Reel, Various Quantities

Detailed Pin Configuration

The SMBJ45CA-E3/5B features a standard SMB package with two pins. Pin 1 is the anode, while pin 2 is the cathode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact SMB package for space-constrained applications

Disadvantages

• Limited power dissipation capability compared to larger diode packages
• Lower maximum clamping voltage compared to some other diode types

Working Principles

The SMBJ45CA-E3/5B operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuitry and limiting the voltage across it.

Detailed Application Field Plans

The SMBJ45CA-E3/5B finds extensive use in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ5.0A-E3/52 - Similar characteristics with a lower clamping voltage
• SMBJ15A-E3/52 - Higher power dissipation capability with slightly slower response time
• SMBJ24A-E3/52 - Higher clamping voltage for applications requiring greater protection

In conclusion, the SMBJ45CA-E3/5B transient voltage suppressor diode offers effective protection against voltage spikes and transients in a compact SMB package. Its fast response time and high surge capability make it suitable for a wide range of electronic applications.

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