SMBJ18CA-TR

Product Overview

The SMBJ18CA-TR belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic devices from voltage spikes and transients. The SMBJ18CA-TR is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface mount package and is available in various quantities to suit different application needs.

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: Surface mount
• Essence: Protecting sensitive electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantities vary

Specifications

• Voltage - Reverse Standoff (Typ): 18V
• Voltage - Breakdown (Min): 20.1V
• Voltage - Clamping (Max) @ Ipp: 29.2V
• Current - Peak Pulse (10/1000µs): 34.4A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMBJ18CA-TR typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

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

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal damage to protected devices
• Suitable for a wide range of applications

Disadvantages

• May exhibit some leakage current in normal operation
• Can be susceptible to thermal runaway under extreme conditions

Working Principles

The SMBJ18CA-TR operates by diverting excessive current away from sensitive components when a voltage spike occurs. This helps to limit the voltage across the protected device, preventing damage due to overvoltage conditions.

Detailed Application Field Plans

The SMBJ18CA-TR is commonly used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ18CA-TR include: - SMBJ15A: Lower voltage rating - SMBJ20CA: Higher voltage rating - SMBJ18A: Lower surge capability

In conclusion, the SMBJ18CA-TR transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in safeguarding sensitive electronic devices across a wide range of applications.

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