Microsemi Corporation
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MSMLJ45CAE3
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MSMLJ45CAE3

Product Overview

Category: Electronic Component
Use: Protection against transient voltage spikes in Ethernet and LAN applications
Characteristics: Low capacitance, high surge capability
Package: SMD/SMT
Essence: Transient Voltage Suppressor (TVS) Diode
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 5V
  • Voltage - Breakdown (Min): 6.4V
  • Voltage - Clamping (Max) @ Ipp: 9.2V
  • Current - Peak Pulse (10/1000µs): 30A
  • Power - Peak Pulse: 600W
  • Capacitance @ Frequency: 5pF @ 1MHz

Detailed Pin Configuration

The MSMLJ45CAE3 is a surface mount TVS diode with a 4-pin configuration. Pins are labeled as follows: 1. Input/Output 1 2. Input/Output 2 3. Ground 4. Ground

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • ESD protection

Advantages and Disadvantages

Advantages: - Effective protection against transient voltage spikes - Low capacitance preserves signal integrity - Compact SMD package for space-constrained designs

Disadvantages: - Limited to low voltage applications - May require additional components for comprehensive surge protection

Working Principles

The MSMLJ45CAE3 operates by diverting excess voltage away from sensitive circuitry during transient events. When a surge occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

This TVS diode is specifically designed for use in Ethernet and LAN applications where protection against transient voltage spikes is critical. It can be integrated into network interface cards, switches, routers, and other networking equipment to safeguard against damage from lightning strikes, ESD, and other transient events.

Detailed and Complete Alternative Models

  1. MSMLJ5.0CAE3: Similar characteristics, but with higher breakdown voltage
  2. MSMLJ12CAE3: Higher voltage rating, suitable for broader range of applications
  3. MSMLJ24CAE3: Increased surge capability, ideal for harsh environments

Note: The alternative models listed above are representative examples and not an exhaustive list of alternatives.

This entry provides a comprehensive overview of the MSMLJ45CAE3 TVS diode, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MSMLJ45CAE3 en soluciones técnicas

  1. What is MSMLJ45CAE3?

    • MSMLJ45CAE3 is a surface mount TVS diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What are the key features of MSMLJ45CAE3?

    • The key features include a low profile package, low clamping voltage, fast response time, and high surge current capability.

  3. What are the typical applications for MSMLJ45CAE3?

    • Typical applications include Ethernet ports, industrial control systems, telecommunications equipment, and other sensitive electronic devices requiring protection from transient voltage events.

  4. What is the maximum clamping voltage of MSMLJ45CAE3?

    • The maximum clamping voltage is typically around 77 volts at 10A.

  5. What is the operating temperature range of MSMLJ45CAE3?

    • The operating temperature range is usually between -55°C to +150°C.

  6. How does MSMLJ45CAE3 provide protection against transient voltage events?

    • MSMLJ45CAE3 diverts excessive current away from sensitive components by providing a low impedance path to ground during transient voltage events.

  7. Is MSMLJ45CAE3 RoHS compliant?

    • Yes, MSMLJ45CAE3 is typically RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the recommended PCB layout for MSMLJ45CAE3?

    • A recommended PCB layout includes short traces to minimize inductance, proper grounding, and placement close to the protected circuitry.

  9. Can MSMLJ45CAE3 be used in outdoor applications?

    • Yes, MSMLJ45CAE3 is suitable for outdoor applications due to its ability to protect against lightning-induced transients.

  10. Are there any alternative part numbers or equivalents to MSMLJ45CAE3?

    • Yes, similar TVS diodes with comparable specifications include SMAJ45A and P6SMBJ45CA.