SMB8J18C-E3/5B

Product Overview

Category

The SMB8J18C-E3/5B belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

This TVS diode is designed to protect sensitive electronic components from voltage transients and surges in various electronic circuits.

Characteristics

• Low clamping voltage
• Fast response time
• High surge current capability
• Compact package size

Package

The SMB8J18C-E3/5B is typically available in a surface-mount package, offering ease of installation and space-saving benefits.

Essence

The essence of this TVS diode lies in its ability to provide reliable overvoltage protection for electronic circuits, ensuring the longevity and reliability of the connected components.

Packaging/Quantity

The SMB8J18C-E3/5B is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 800W
• Standoff Voltage: 18V
• Breakdown Voltage: 20V
• Maximum Clamping Voltage: 29.2V
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMB8J18C-E3/5B typically features a two-pin configuration, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

• Bi-directional TVS diode
• Low incremental surge resistance
• High temperature stability
• ESD protection

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on connected circuits
• Compact form factor for space-constrained applications
• Wide operating temperature range for versatility

Disadvantages

• Limited maximum clamping voltage may not be suitable for high-voltage applications
• Requires careful consideration of placement within the circuit for optimal performance

Working Principles

The SMB8J18C-E3/5B operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit. This is achieved through the rapid conduction of the TVS diode when subjected to overvoltage conditions.

Detailed Application Field Plans

• Consumer electronics
• Telecommunication equipment
• Automotive electronics
• Industrial control systems
• Power supply units

Detailed and Complete Alternative Models

• SMAJ18A
• SMCJ18CA
• P6SMB18CA

In conclusion, the SMB8J18C-E3/5B transient voltage suppressor diode offers efficient protection against voltage transients, making it a valuable component in various electronic applications. Its compact design, fast response time, and high surge current capability make it a versatile choice for designers seeking reliable overvoltage protection. However, careful consideration of its limitations, such as the maximum clamping voltage, is necessary when integrating it into high-voltage circuits.