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SMAJ4491CE3/TR13
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SMAJ4491CE3/TR13

Product Overview

Category

SMAJ4491CE3/TR13 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 capability

Package

The SMAJ4491CE3/TR13 is available in a DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to provide reliable protection for electronic circuits against voltage surges.

Packaging/Quantity

The SMAJ4491CE3/TR13 is typically packaged in reels and is available in quantities suitable for production runs.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage Range: 485V to 535V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ4491CE3/TR13 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Transient voltage suppression
  • Bi-directional clamping capability
  • Low leakage current

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive surge protection

Working Principles

When a voltage transient occurs, the SMAJ4491CE3/TR13 conducts current to divert the excess energy away from the protected circuit. The device clamps the voltage to a safe level, preventing damage to downstream components.

Detailed Application Field Plans

The SMAJ4491CE3/TR13 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to SMAJ4491CE3/TR13 include: - P6KE510CA - 1.5KE510A - SMBJ510CA

In conclusion, the SMAJ4491CE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in various electronic applications.

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技術ソリューションにおける SMAJ4491CE3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SMAJ4491CE3/TR13?

    • SMAJ4491CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What are the key features of SMAJ4491CE3/TR13?

    • The key features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.

  3. In what applications can SMAJ4491CE3/TR13 be used?

    • It is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.

  4. How does SMAJ4491CE3/TR13 provide protection against voltage spikes?

    • It works by diverting excessive current away from sensitive components, thereby limiting the voltage across the protected device during transient events.

  5. What is the operating temperature range of SMAJ4491CE3/TR13?

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

  6. Does SMAJ4491CE3/TR13 comply with any industry standards?

    • Yes, it complies with various industry standards such as AEC-Q101 for automotive applications and is also RoHS compliant.

  7. Can SMAJ4491CE3/TR13 be used for ESD protection?

    • While it is primarily designed for transient voltage suppression, it can also provide some level of ESD protection due to its fast response time.

  8. What is the recommended PCB layout for SMAJ4491CE3/TR13?

    • It is recommended to minimize the trace length between the device and the protected circuit, and to provide a low impedance path to ground.

  9. Are there any specific soldering guidelines for SMAJ4491CE3/TR13?

    • It is recommended to use a reflow soldering process with a peak temperature of 260°C for 10 seconds, and to follow the manufacturer's soldering recommendations.

  10. Where can I find detailed specifications and application notes for SMAJ4491CE3/TR13?

    • Detailed specifications and application notes can be found in the product datasheet provided by the manufacturer or distributor, and on their respective websites.