SMBJ45CHE3/52

Product Overview

The SMBJ45CHE3/52 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 SMBJ45CHE3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically available in a compact package and is designed for easy integration into various electronic circuits.

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 (DO-214AA)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

• Voltage - Reverse Standoff (Typ): 45V
• Voltage - Breakdown (Min): 50V
• Clamping Voltage @ Ipp: 77V
• Current - Peak Pulse (10/1000µs): 20.2A
• Power - Peak Pulse: 600W
• Type: Unidirectional

Detailed Pin Configuration

The SMBJ45CHE3/52 typically consists of two pins, with one serving as the anode and the other as the cathode. The pinout configuration follows industry-standard specifications, ensuring compatibility with various circuit designs.

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 substantial surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact form factor for easy integration

Disadvantages

• Limited to unidirectional transient voltage suppression
• Clamping voltage may not be suitable for all applications

Working Principles

The SMBJ45CHE3/52 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 sensitive components. This action effectively limits the voltage across the protected circuit, preventing damage.

Detailed Application Field Plans

The SMBJ45CHE3/52 finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Ensuring the reliability of control circuitry in industrial environments.

Detailed and Complete Alternative Models

• P6KE45CA: Similar TVS diode with comparable specifications and characteristics.
• 1.5SMC45CA: Alternative model offering similar transient voltage suppression capabilities.
• ESD9B5.0ST5G: TVS diode with enhanced ESD protection in addition to transient voltage suppression.

In conclusion, the SMBJ45CHE3/52 transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it a valuable component in various electronic systems.

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