Taiwan Semiconductor Corporation
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SMAJ120CA R3G
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SMAJ120CA R3G

Product Overview

  • Belongs to: Electronic Components
  • Category: Diode
  • Use: Protection against transient voltage spikes
  • Characteristics: Fast response time, low clamping voltage
  • Package: DO-214AC (SMA)
  • Essence: Transient Voltage Suppressor (TVS) diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 120V
  • Operating Voltage: 103V
  • Clamping Voltage: 177V
  • Peak Pulse Current: 10A
  • Reverse Standoff Voltage: 120V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ120CA R3G has two pins in a standard DO-214AC package.

Functional Features

  • Provides protection against voltage transients
  • Fast response time ensures minimal damage to protected components
  • Low clamping voltage diverts excessive current away from sensitive circuits

Advantages

  • Robust protection against voltage surges
  • Compact size for easy integration into circuit designs
  • Wide operating temperature range for versatile applications

Disadvantages

  • Limited peak pulse power compared to higher-rated TVS diodes
  • Higher clamping voltage than some alternative models

Working Principles

When a transient voltage spike occurs, the SMAJ120CA R3G conducts and clamps the voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

  • Telecommunications: Protecting communication equipment from lightning-induced surges
  • Automotive: Safeguarding electronic systems from voltage transients in automotive environments
  • Industrial Control Systems: Shielding control circuitry from power line disturbances

Detailed and Complete Alternative Models

  • P6KE120CA: Similar specifications with a different package (DO-15)
  • 1.5SMC120CA: Higher peak pulse power rating for more demanding applications
  • SMBJ120CA: Lower profile package for space-constrained designs

This comprehensive entry provides an in-depth understanding of the SMAJ120CA R3G, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ120CA R3G en soluciones técnicas

  1. What is the maximum peak pulse power of SMAJ120CA R3G?

    • The maximum peak pulse power of SMAJ120CA R3G is 400 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of SMAJ120CA R3G?

    • The breakdown voltage of SMAJ120CA R3G is typically 133 volts at 1mA.

  3. What is the operating temperature range for SMAJ120CA R3G?

    • The operating temperature range for SMAJ120CA R3G is -55°C to +150°C.

  4. What are the typical applications for SMAJ120CA R3G?

    • SMAJ120CA R3G is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of SMAJ120CA R3G?

    • The response time of SMAJ120CA R3G is less than 1.0 nanosecond from 0 volts to minimum breakdown voltage.

  6. Does SMAJ120CA R3G meet RoHS compliance?

    • Yes, SMAJ120CA R3G is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  7. What is the package type of SMAJ120CA R3G?

    • SMAJ120CA R3G is available in a DO-214AC (SMA) package.

  8. Is SMAJ120CA R3G suitable for high-speed data line protection?

    • Yes, SMAJ120CA R3G is suitable for high-speed data line protection due to its fast response time and low clamping voltage.

  9. What is the reverse stand-off voltage of SMAJ120CA R3G?

    • The reverse stand-off voltage of SMAJ120CA R3G is 120 volts.

  10. Can SMAJ120CA R3G be used in outdoor applications?

    • Yes, SMAJ120CA R3G can be used in outdoor applications, but proper environmental protection and sealing should be considered to ensure long-term reliability.