Vishay Semiconductor Diodes Division
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SMBJ45CHE3/52
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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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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ45CHE3/52 i tekniska lösningar

  1. What is the SMBJ45CHE3/52?

    • The SMBJ45CHE3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ45CHE3/52?

    • The maximum working voltage of the SMBJ45CHE3/52 is 45V.

  3. What is the peak pulse power dissipation of the SMBJ45CHE3/52?

    • The peak pulse power dissipation of the SMBJ45CHE3/52 is 600W.

  4. What are the typical applications of the SMBJ45CHE3/52?

    • The SMBJ45CHE3/52 is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ45CHE3/52?

    • The clamping voltage of the SMBJ45CHE3/52 is typically around 77V at 10A.

  6. What is the operating temperature range of the SMBJ45CHE3/52?

    • The SMBJ45CHE3/52 has an operating temperature range of -55°C to 150°C.

  7. How does the SMBJ45CHE3/52 provide protection against voltage transients?

    • The SMBJ45CHE3/52 conducts excess current to ground during voltage transients, limiting the voltage across the protected circuit.

  8. Can the SMBJ45CHE3/52 be used for ESD protection?

    • Yes, the SMBJ45CHE3/52 can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  9. Is the SMBJ45CHE3/52 RoHS compliant?

    • Yes, the SMBJ45CHE3/52 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. What are the packaging options available for the SMBJ45CHE3/52?

    • The SMBJ45CHE3/52 is available in various surface mount packages, including SMB, SMC, and DO-214AA, providing flexibility for different application requirements.