Littelfuse Inc.
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SMCJ20A-HR
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SMCJ20A-HR

Product Overview

Category

The SMCJ20A-HR belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage spikes and transients.

Characteristics

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

Package

The SMCJ20A-HR is available in a surface mount package.

Essence

The essence of the SMCJ20A-HR lies in its ability to provide robust protection against transient voltage events.

Packaging/Quantity

The SMCJ20A-HR is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 20V
  • Maximum Clamping Voltage: 32.4V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ20A-HR typically has two pins for surface mount installation. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides protection against voltage transients
  • Fast response time ensures minimal impact on protected circuits
  • Low clamping voltage prevents damage to sensitive components

Advantages and Disadvantages

Advantages

  • Robust transient voltage protection
  • Fast response time
  • Compact surface mount package

Disadvantages

  • Limited to low voltage applications
  • May require additional circuitry for comprehensive protection in high-energy environments

Working Principles

The SMCJ20A-HR operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ20A-HR is commonly used in the following applications: - Telecommunications equipment - Consumer electronics - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ20A-HR include: - P6SMB20A - 1.5SMC20A - SMBJ20A

In conclusion, the SMCJ20A-HR is a vital component in protecting electronic devices from transient voltage events. Its fast response time, low clamping voltage, and high surge current capability make it an essential part of modern electronic designs.

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기술 솔루션에 SMCJ20A-HR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum peak pulse current for SMCJ20A-HR?

    • The maximum peak pulse current for SMCJ20A-HR is 300A.

  2. What is the breakdown voltage of SMCJ20A-HR?

    • The breakdown voltage of SMCJ20A-HR is 22.2V.

  3. What is the typical clamping voltage of SMCJ20A-HR?

    • The typical clamping voltage of SMCJ20A-HR is 34.4V at 10A.

  4. What is the power dissipation of SMCJ20A-HR?

    • The power dissipation of SMCJ20A-HR is 1500W.

  5. What is the operating temperature range for SMCJ20A-HR?

    • The operating temperature range for SMCJ20A-HR is -55°C to +150°C.

  6. Is SMCJ20A-HR RoHS compliant?

    • Yes, SMCJ20A-HR is RoHS compliant.

  7. What are the typical applications for SMCJ20A-HR?

    • SMCJ20A-HR is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and automotive electronics.

  8. Does SMCJ20A-HR have a low leakage current?

    • Yes, SMCJ20A-HR has a low leakage current of less than 1µA.

  9. What is the package type for SMCJ20A-HR?

    • SMCJ20A-HR is available in a DO-214AB (SMC) package.

  10. Is SMCJ20A-HR suitable for high-reliability applications?

    • Yes, SMCJ20A-HR is designed for high-reliability applications and is well-suited for use in critical systems where protection against transient overvoltages is essential.