Microsemi Corporation
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MSMCJ45CA/TR
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MSMCJ45CA/TR

Product Overview

Belongs to: Electronic Components
Category: Transient Voltage Suppressor (TVS)
Use: Protection of Ethernet ports and network interfaces
Characteristics: Low capacitance, high surge capability, compact package
Package: Surface mount
Essence: Safeguarding network equipment from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 5V to 36V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The MSMCJ45CA/TR features a standard 8-pin configuration with clear labeling for easy installation and connection.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to protect sensitive electronics.
  • Low Clamping Voltage: Ensures minimal impact on the protected circuit during an overvoltage event.
  • Fast Response Time: Rapid reaction to transient events for enhanced protection.

Advantages and Disadvantages

Advantages: - High surge capability - Low capacitance for minimal signal distortion - RoHS compliant

Disadvantages: - Limited breakdown voltage options

Working Principles

The MSMCJ45CA/TR operates by diverting excessive voltage transients away from sensitive network equipment, thereby safeguarding against potential damage or data loss. When a transient voltage spike occurs, the TVS diode rapidly conducts, shunting the excess energy to ground and protecting the connected devices.

Detailed Application Field Plans

This TVS diode is widely used in networking equipment such as routers, switches, and network interface cards to protect against voltage surges induced by lightning, ESD, or other transient events. It is also employed in industrial automation systems, telecommunications equipment, and automotive electronics where reliable network connectivity is crucial.

Detailed and Complete Alternative Models

  1. SMCJ5.0A: Similar TVS diode with a 5.0V breakdown voltage
  2. SMCJ12A: TVS diode with higher 12V breakdown voltage for specific applications
  3. SMAJ5.0A: Compact TVS diode with lower power handling but suitable for space-constrained designs

Note: The alternative models listed above are indicative and may vary based on specific requirements.

This comprehensive entry provides a detailed insight into the MSMCJ45CA/TR TVS diode, covering its specifications, functional features, application fields, and alternatives, making it a valuable resource for professionals in the electronics industry.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MSMCJ45CA/TR v technických řešeních

  1. What is the MSMCJ45CA/TR used for?

    • The MSMCJ45CA/TR is a transient voltage suppressor diode designed to protect Ethernet and other communication ports from electrostatic discharge (ESD) and other transient voltage events.

  2. What is the maximum working voltage of the MSMCJ45CA/TR?

    • The maximum working voltage of the MSMCJ45CA/TR is 5.0V.

  3. What is the typical capacitance of the MSMCJ45CA/TR?

    • The typical capacitance of the MSMCJ45CA/TR is 5pF.

  4. What are the key features of the MSMCJ45CA/TR?

    • The key features include low clamping voltage, fast response time, and compatibility with various communication interfaces such as Ethernet, USB, and FireWire.

  5. How does the MSMCJ45CA/TR protect against ESD?

    • The MSMCJ45CA/TR provides a low-impedance path to divert transient currents away from sensitive components, thereby protecting them from damage due to ESD.

  6. Is the MSMCJ45CA/TR suitable for PoE (Power over Ethernet) applications?

    • Yes, the MSMCJ45CA/TR is suitable for PoE applications and can help protect PoE-enabled devices from voltage surges and transients.

  7. What is the operating temperature range of the MSMCJ45CA/TR?

    • The MSMCJ45CA/TR has an operating temperature range of -55°C to +125°C, making it suitable for a wide range of environmental conditions.

  8. Can the MSMCJ45CA/TR be used in automotive applications?

    • Yes, the MSMCJ45CA/TR is suitable for automotive applications and can help protect in-vehicle communication systems from voltage transients.

  9. Does the MSMCJ45CA/TR comply with industry standards for surge protection?

    • Yes, the MSMCJ45CA/TR complies with industry standards such as IEC 61000-4-2 for ESD protection and IEC 61000-4-5 for surge protection.

  10. Are there any application notes or reference designs available for using the MSMCJ45CA/TR in technical solutions?

    • Yes, application notes and reference designs are available to assist engineers in integrating the MSMCJ45CA/TR into their technical solutions, ensuring effective transient voltage suppression.