SMBJ15CHE3/5B

Product Overview

The SMBJ15CHE3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used to protect sensitive electronic components from voltage spikes and transients. The SMBJ15CHE3/5B 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 various packaging 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: SMB
• Packaging/Quantity: Available in tape and reel packaging, with varying quantities

Specifications

• Voltage - Reverse Standoff (Typ): 15V
• Voltage - Breakdown (Min): 16.7V
• Voltage - Clamping (Max) @ Ipp: 24.4V
• Current - Peak Pulse (10/1000µs): 34.1A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMBJ15CHE3/5B TVS diode has a standard SMB package with two pins. Pin 1 is the anode, and 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.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited to lower voltage applications
• May require additional components for comprehensive overvoltage protection

Working Principles

The SMBJ15CHE3/5B 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 SMBJ15CHE3/5B is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ15A: Similar specifications with slightly different voltage ratings
• SMBJ15CA: Higher clamping voltage but similar surge capability
• SMBJ15KE3/5B: Higher power dissipation capability for more demanding applications

In conclusion, the SMBJ15CHE3/5B transient voltage suppressor diode offers effective protection against voltage transients in a compact SMB package. Its fast response time and high surge capability make it suitable for a wide range of electronic applications, although it may require additional components for comprehensive overvoltage protection in some scenarios.