Microsemi Corporation
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SMLJ18E3/TR13
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SMLJ18E3/TR13

Product Overview

The SMLJ18E3/TR13 belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMLJ18E3/TR13 is known for its high surge capability, fast response time, and compact package, making it suitable for a wide range of applications. It is typically available in tape and reel packaging with a specified quantity per reel.

Specifications

  • Voltage Rating: 18V
  • Peak Pulse Power: 3000W
  • Package Type: DO-214AB (SMC)
  • Quantity per Reel: 1500 units

Detailed Pin Configuration

The SMLJ18E3/TR13 follows the standard pin configuration for diodes, with anode and cathode terminals clearly marked on the DO-214AB package.

Functional Features

  • High surge capability
  • Fast response time
  • Low clamping voltage
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact size for space-constrained applications
  • RoHS compliance for environmental considerations

Disadvantages

  • Limited to a maximum voltage rating of 18V
  • May require additional circuitry for higher voltage protection

Working Principles

The SMLJ18E3/TR13 operates by diverting excessive voltage transients away from sensitive components, thereby preventing damage due to overvoltage conditions. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMLJ18E3/TR13 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMLJ Series: Includes various voltage ratings and package options
  • P6SMB Series: Similar transient voltage suppressor diodes with different specifications
  • 1.5SMC Series: Offers alternative voltage ratings and package styles

In conclusion, the SMLJ18E3/TR13 transient voltage suppressor diode provides effective protection against voltage transients in a compact and reliable package, making it a popular choice for diverse electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMLJ18E3/TR13 en soluciones técnicas

  1. What is the SMLJ18E3/TR13?

    • The SMLJ18E3/TR13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What are the key features of the SMLJ18E3/TR13?

    • The key features include a peak pulse power dissipation of 3000W, low clamping voltage, fast response time, and compatibility with automated placement equipment.

  3. In what applications can the SMLJ18E3/TR13 be used?

    • It is commonly used in applications such as power supplies, automotive electronics, industrial controls, and telecommunications equipment to protect against voltage surges.

  4. How does the SMLJ18E3/TR13 provide protection against voltage transients?

    • The diode clamps the voltage to a safe level by diverting excess current away from the protected circuit, preventing damage to sensitive components.

  5. What is the maximum working voltage of the SMLJ18E3/TR13?

    • The maximum working voltage is 18V, making it suitable for protecting circuits operating within this voltage range.

  6. Can the SMLJ18E3/TR13 be used for ESD protection?

    • Yes, it can be used for electrostatic discharge (ESD) protection in electronic devices to safeguard against static electricity discharges.

  7. What is the temperature range for the SMLJ18E3/TR13?

    • The diode is designed to operate within a wide temperature range, typically from -55°C to 150°C, ensuring reliability in various environments.

  8. Does the SMLJ18E3/TR13 require any external components for proper operation?

    • No, it is a standalone device and does not require additional external components for its basic function as a transient voltage suppressor.

  9. Is the SMLJ18E3/TR13 RoHS compliant?

    • Yes, it complies with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly and safe for use in electronic products.

  10. What are the recommended mounting and soldering techniques for the SMLJ18E3/TR13?

    • The diode is typically surface-mounted using reflow soldering techniques, and manufacturers' guidelines should be followed for proper handling and mounting.