Microsemi Corporation
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MASMLJ120A
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MASMLJ120A Product Overview

Introduction

The MASMLJ120A is a semiconductor device belonging to the category of transient voltage suppressors (TVS). It is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides an in-depth overview of the MASMLJ120A, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS)
  • Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMA package
  • Essence: Semiconductor TVS diode
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage Rating: 120V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Breakdown Voltage: 133V
  • Clamping Voltage: 193V at 1A
  • Maximum Reverse Leakage Current: 1μA at 100V
  • RoHS Compliant: Yes

Detailed Pin Configuration

The MASMLJ120A has a standard SMA package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
  • Fast Response Time: Reacts quickly to transient voltage events, minimizing the risk of damage to connected devices.
  • Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage
  • RoHS compliant

Disadvantages

  • Limited to specific voltage ratings
  • Requires proper installation for optimal performance

Working Principles

The MASMLJ120A operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the TVS diode rapidly conducts, diverting the excess current away from the protected circuit. This action prevents the voltage from reaching damaging levels and safeguards the connected electronics.

Detailed Application Field Plans

The MASMLJ120A is widely used in various applications, including: - Telecommunication Equipment: Protects sensitive communication devices from lightning-induced voltage surges. - Consumer Electronics: Safeguards electronic appliances and gadgets from ESD events. - Automotive Electronics: Provides protection for automotive control systems against voltage transients.

Detailed and Complete Alternative Models

  • MASMLJ5.0A: 5.0V TVS diode with similar characteristics
  • MASMLJ15A: 15V TVS diode suitable for lower voltage applications
  • MASMLJ200A: Higher voltage rating TVS diode for increased protection

In conclusion, the MASMLJ120A transient voltage suppressor offers effective protection against voltage transients, making it an essential component in various electronic systems. Its fast response time, low clamping voltage, and wide application range make it a valuable asset in safeguarding sensitive electronics.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MASMLJ120A v technických řešeních

Sure, here are 10 common questions and answers related to the application of MASMLJ120A in technical solutions:

  1. What is MASMLJ120A?

    • MASMLJ120A is a transient voltage suppressor diode used for protecting sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power dissipation of MASMLJ120A?

    • The maximum peak pulse power dissipation of MASMLJ120A is typically 400 watts.

  3. What is the breakdown voltage of MASMLJ120A?

    • The breakdown voltage of MASMLJ120A is typically 120 volts.

  4. How does MASMLJ120A protect electronic circuits?

    • MASMLJ120A clamps the voltage across the circuit to a safe level by diverting excess current away from sensitive components during transient events.

  5. What are the typical applications of MASMLJ120A?

    • MASMLJ120A is commonly used in surge protection for telecommunications equipment, automotive electronics, industrial control systems, and power supplies.

  6. What is the response time of MASMLJ120A?

    • The response time of MASMLJ120A is very fast, typically in the nanosecond range, providing quick protection against voltage spikes.

  7. Can MASMLJ120A be used for overvoltage protection in power supply designs?

    • Yes, MASMLJ120A is suitable for overvoltage protection in power supply designs, helping to safeguard sensitive components from voltage surges.

  8. What is the operating temperature range of MASMLJ120A?

    • The operating temperature range of MASMLJ120A is typically -55°C to +150°C, making it suitable for a wide range of environments.

  9. Does MASMLJ120A require any external components for proper operation?

    • MASMLJ120A does not require any external components for basic transient voltage suppression, but additional circuitry may be needed for specific applications.

  10. Is MASMLJ120A RoHS compliant?

    • Yes, MASMLJ120A is RoHS compliant, meeting the requirements for restriction of hazardous substances in electronic products.

I hope these questions and answers are helpful! Let me know if you need further assistance.