Vishay Semiconductor Diodes Division
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SMCJ188A-E3/9AT
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SMCJ188A-E3/9AT

Product Overview

Category

The SMCJ188A-E3/9AT belongs to the category of 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

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

Package

The SMCJ188A-E3/9AT is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ188A-E3/9AT lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMCJ188A-E3/9AT is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Power Dissipation: 1500W
  • Breakdown Voltage Range: 198V to 220V
  • Maximum Clamping Voltage: 321V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ188A-E3/9AT typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Transient voltage suppression
  • Reverse standoff voltage
  • Low leakage current

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited breakdown voltage range
  • Sensitivity to temperature variations

Working Principles

The SMCJ188A-E3/9AT works by diverting excessive voltage away from sensitive components, thereby limiting the voltage across the protected device.

Detailed Application Field Plans

The SMCJ188A-E3/9AT is commonly used in: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ188A-E3/9AT include: - P6KE200A - 1.5KE200CA - SA15CA

In conclusion, the SMCJ188A-E3/9AT is a crucial component in safeguarding electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its application spans across various industries, making it an essential part of modern electronic systems.

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تکنیکی حل میں SMCJ188A-E3/9AT کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is the maximum peak pulse current rating of SMCJ188A-E3/9AT?

    • The maximum peak pulse current rating of SMCJ188A-E3/9AT is 3000A.

  2. What is the breakdown voltage of SMCJ188A-E3/9AT?

    • The breakdown voltage of SMCJ188A-E3/9AT is 188V.

  3. What are the typical applications for SMCJ188A-E3/9AT?

    • SMCJ188A-E3/9AT is commonly used in surge protection for telecommunications equipment, power supplies, and other sensitive electronic devices.

  4. What is the clamping voltage of SMCJ188A-E3/9AT?

    • The clamping voltage of SMCJ188A-E3/9AT is 275V.

  5. Is SMCJ188A-E3/9AT RoHS compliant?

    • Yes, SMCJ188A-E3/9AT is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  6. What is the operating temperature range of SMCJ188A-E3/9AT?

    • The operating temperature range of SMCJ188A-E3/9AT is -55°C to +150°C.

  7. Does SMCJ188A-E3/9AT have a low leakage current?

    • Yes, SMCJ188A-E3/9AT has a low leakage current, which is beneficial for maintaining the integrity of sensitive circuits.

  8. What package type does SMCJ188A-E3/9AT come in?

    • SMCJ188A-E3/9AT is available in a surface mount SMC package.

  9. Can SMCJ188A-E3/9AT handle multiple surge events?

    • Yes, SMCJ188A-E3/9AT is designed to handle multiple surge events without degradation in performance.

  10. Are there any recommended layout considerations for using SMCJ188A-E3/9AT in a circuit?

    • It is recommended to minimize the length and impedance of the connection between the SMCJ188A-E3/9AT and the protected circuit to optimize its performance.