SMBJ110-E3/5B

Product Overview

The SMBJ110-E3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage events, diverting excessive current away from sensitive components. The SMBJ110-E3/5B is typically packaged in a surface-mount design, making it suitable for compact electronic devices. It is an essential component for safeguarding electronic equipment against voltage transients and surges.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Surge Protection in Electronic Circuits
• Characteristics: Rapid Response, High Current Diversion Capability
• Package: Surface Mount
• Essence: Overvoltage Protection
• Packaging/Quantity: Typically supplied in reels or tubes, quantity varies based on manufacturer specifications

Specifications

• Voltage - Reverse Standoff (Typ): 110V
• Power (Watts): 600W
• Polarity: Unidirectional
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 122V
• Clamping Voltage: 177V
• Peak Pulse Current: 19.4A
• Reverse Leakage Current: 1µA

Detailed Pin Configuration

The SMBJ110-E3/5B typically features a standard SMC (DO-214AB) package with two pins for surface mounting onto printed circuit boards. The pinout configuration includes the anode and cathode terminals, which are crucial for proper installation and functionality.

Functional Features

• Fast Response Time: Ensures rapid reaction to overvoltage events.
• High Current Handling Capacity: Capable of diverting substantial surge currents.
• Low Clamping Voltage: Provides effective protection for connected circuits.

Advantages and Disadvantages

Advantages

• Effective surge protection for electronic circuits.
• Compact surface-mount package for space-constrained applications.
• Rapid response time ensures minimal impact on connected devices.

Disadvantages

• Unidirectional protection may not be suitable for bidirectional surge events.
• Limited power dissipation capability compared to larger TVS diode packages.

Working Principles

When an overvoltage event occurs, the SMBJ110-E3/5B conducts excess current away from the protected circuit, limiting the voltage across the load. This action helps prevent damage to sensitive components by effectively clamping the voltage to a safe level.

Detailed Application Field Plans

The SMBJ110-E3/5B finds extensive use in various electronic systems, including: - Consumer Electronics - Telecommunication Equipment - Industrial Control Systems - Automotive Electronics - Power Supplies

Detailed and Complete Alternative Models

• SMBJ100A: Similar specifications with a slightly lower reverse standoff voltage.
• SMBJ120CA: Higher reverse standoff voltage and peak pulse current handling.

In conclusion, the SMBJ110-E3/5B transient voltage suppressor diode offers efficient surge protection for electronic circuits, especially in space-constrained applications. Its fast response time, high current diversion capability, and low clamping voltage make it a valuable component in safeguarding sensitive electronics from overvoltage events.

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