Microsemi Corporation
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SMCJ18E3/TR13
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SMCJ18E3/TR13

Product Overview

Category

The SMCJ18E3/TR13 belongs to the category of transient voltage suppressor diodes.

Use

It is used for protecting sensitive electronic devices 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 SMCJ18E3/TR13 is available in a DO-214AB (SMC) package.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMCJ18E3/TR13 is typically packaged in reels with a quantity of 1500 units per reel.

Specifications

  • Standoff Voltage: 18V
  • Breakdown Voltage: 20V
  • Peak Pulse Power Dissipation: 1500W
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ18E3/TR13 has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Bi-directional protection
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Fast response to transient events
  • Low clamping voltage ensures minimal impact on protected circuits
  • High surge current capability for robust protection

Disadvantages

  • Limited effectiveness against sustained overvoltage conditions
  • May require additional circuitry for comprehensive protection in some applications

Working Principles

When a transient voltage surge occurs, the SMCJ18E3/TR13 conducts current to ground, limiting the voltage across the protected circuit. This rapid response helps prevent damage to sensitive components.

Detailed Application Field Plans

The SMCJ18E3/TR13 is commonly used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ18E3/TR13 include: - P6KE18CA - 1.5SMC18CA - SA18CA

In conclusion, the SMCJ18E3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in safeguarding sensitive electronic devices across various industries.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMCJ18E3/TR13 у технічних рішеннях

  1. What is the SMCJ18E3/TR13 used for?

    • The SMCJ18E3/TR13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMCJ18E3/TR13?

    • The maximum voltage rating of the SMCJ18E3/TR13 is 18V.

  3. What is the peak pulse power dissipation of the SMCJ18E3/TR13?

    • The peak pulse power dissipation of the SMCJ18E3/TR13 is 1500W.

  4. What are the typical applications of the SMCJ18E3/TR13?

    • Typical applications of the SMCJ18E3/TR13 include protection of integrated circuits, power supplies, communication systems, and other sensitive electronic equipment from voltage surges.

  5. What is the breakdown voltage of the SMCJ18E3/TR13?

    • The breakdown voltage of the SMCJ18E3/TR13 is typically 20.2V.

  6. What is the response time of the SMCJ18E3/TR13?

    • The response time of the SMCJ18E3/TR13 is very fast, typically in the nanosecond range.

  7. Is the SMCJ18E3/TR13 RoHS compliant?

    • Yes, the SMCJ18E3/TR13 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  8. Can the SMCJ18E3/TR13 be used for overvoltage protection in automotive applications?

    • Yes, the SMCJ18E3/TR13 can be used for overvoltage protection in automotive applications, such as protecting sensitive electronics in vehicles.

  9. What is the operating temperature range of the SMCJ18E3/TR13?

    • The operating temperature range of the SMCJ18E3/TR13 is typically -55°C to 150°C, making it suitable for a wide range of environments.

  10. Are there any recommended layout considerations when using the SMCJ18E3/TR13 in a circuit?

    • Yes, it is recommended to minimize the length of the traces connecting the SMCJ18E3/TR13 to the protected circuit and to provide a low-inductance path to ground for optimal performance.