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3.0SMCJ20A-13
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3.0SMCJ20A-13

Product Overview

Category

The 3.0SMCJ20A-13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

  • Voltage Suppression: Provides protection against voltage spikes.
  • Fast Response Time: Rapidly clamps transient voltages to a safe level.
  • Low Leakage Current: Ensures minimal power dissipation during normal operation.
  • High Surge Current Capability: Capable of handling high surge currents without degradation.

Package

The 3.0SMCJ20A-13 is typically available in a DO-214AB (SMC) package.

Essence

The essence of the 3.0SMCJ20A-13 lies in its ability to safeguard electronic circuits from transient voltage events, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: 3.0SMCJ20A-13
  • Standoff Voltage: 17.8V
  • Breakdown Voltage: 19.8V
  • Peak Pulse Power: 3000W
  • Operating Temperature Range: -55°C to 150°C
  • Polarity: Unidirectional
  • Mounting Type: Surface Mount
  • RoHS Compliance: Yes

Detailed Pin Configuration

The 3.0SMCJ20A-13 typically features two pins for surface mount installation, with the cathode identified by a band on the body of the diode.

Functional Features

  • Transient Voltage Suppression: Clamps transient voltages to safe levels, protecting downstream components.
  • Fast Response Time: Quickly responds to voltage transients, minimizing the risk of damage to sensitive electronics.
  • Low Clamping Voltage: Limits the voltage across the protected circuit, preventing overvoltage-related failures.

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events.
  • Fast response time ensures minimal impact on the protected circuit.
  • Low leakage current minimizes power dissipation.

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection in complex systems.
  • Unidirectional nature limits applicability in bidirectional protection scenarios.

Working Principles

The 3.0SMCJ20A-13 operates based on the principle of avalanche breakdown, where it rapidly conducts once the voltage across it exceeds the breakdown voltage, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The 3.0SMCJ20A-13 finds extensive use in various applications, including: - Telecommunication Equipment: Protects sensitive communication circuits from lightning-induced surges. - Industrial Control Systems: Safeguards control electronics from inductive load switching transients. - Consumer Electronics: Provides surge protection for electronic devices in residential and commercial settings.

Detailed and Complete Alternative Models

  • Alternative Model 1: 3.0SMCJ15A-13
  • Alternative Model 2: 3.0SMCJ30A-13
  • Alternative Model 3: 3.0SMCJ40A-13

In conclusion, the 3.0SMCJ20A-13 serves as a crucial component in protecting electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its application spans across diverse industries, ensuring the reliable operation of electronic systems in the face of unpredictable voltage fluctuations.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 3.0SMCJ20A-13 i tekniska lösningar

  1. What is the maximum voltage rating of 3.0SMCJ20A-13?

    • The maximum voltage rating of 3.0SMCJ20A-13 is 20 volts.

  2. What is the peak pulse power dissipation of 3.0SMCJ20A-13?

    • The peak pulse power dissipation of 3.0SMCJ20A-13 is 3000 watts.

  3. What is the breakdown voltage of 3.0SMCJ20A-13?

    • The breakdown voltage of 3.0SMCJ20A-13 is typically 22.2 volts.

  4. What is the forward voltage drop of 3.0SMCJ20A-13 at a specified current?

    • The forward voltage drop of 3.0SMCJ20A-13 at 20A is typically 0.5 volts.

  5. What is the clamping voltage of 3.0SMCJ20A-13 under surge conditions?

    • The clamping voltage of 3.0SMCJ20A-13 under surge conditions is typically 32.4 volts.

  6. What is the operating temperature range of 3.0SMCJ20A-13?

    • The operating temperature range of 3.0SMCJ20A-13 is -55°C to +150°C.

  7. Is 3.0SMCJ20A-13 suitable for overvoltage protection in power supplies?

    • Yes, 3.0SMCJ20A-13 is commonly used for overvoltage protection in power supplies.

  8. Can 3.0SMCJ20A-13 be used for transient voltage suppression in automotive electronics?

    • Yes, 3.0SMCJ20A-13 is often employed for transient voltage suppression in automotive electronics.

  9. What are the typical applications of 3.0SMCJ20A-13 in circuit protection?

    • Typical applications of 3.0SMCJ20A-13 include surge protection in telecommunications, industrial equipment, and consumer electronics.

  10. Does 3.0SMCJ20A-13 require additional heat sinking in high-power applications?

    • Yes, in high-power applications, it is recommended to provide adequate heat sinking for 3.0SMCJ20A-13 to ensure proper thermal management.