Microsemi Corporation
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SMAJ4748CE3/TR13
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SMAJ4748CE3/TR13

Product Overview

Category

The SMAJ4748CE3/TR13 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is commonly used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and transients.

Characteristics

  • Voltage Suppression: Capable of suppressing voltage spikes and transients.
  • Fast Response Time: Provides rapid response to transient events.
  • Compact Size: Designed to be space-efficient for integration into various electronic systems.

Package

The SMAJ4748CE3/TR13 is typically available in a surface mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from voltage surges, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

The product is usually supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: SMAJ4748CE3/TR13
  • Breakdown Voltage: 48V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ4748CE3/TR13 features a standard DO-214AC (SMA) package with two pins. The pin configuration is as follows: 1. Anode 2. Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage during transient events.
  • Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor for easy integration

Disadvantages

  • Limited to specific voltage ratings
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMAJ4748CE3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This effectively diverts the excess energy away from the protected circuitry, preventing damage.

Detailed Application Field Plans

The SMAJ4748CE3/TR13 finds extensive use in various applications, including: - Telecommunications: Protecting sensitive communication equipment from lightning-induced surges. - Consumer Electronics: Safeguarding electronic devices such as smartphones, tablets, and laptops from power surges. - Automotive Electronics: Providing surge protection for automotive control systems and entertainment units.

Detailed and Complete Alternative Models

  • P6KE48CA: Similar transient voltage suppressor diode with a 48V breakdown voltage.
  • 1.5KE48A: Transient voltage suppressor diode offering similar protection characteristics.

In conclusion, the SMAJ4748CE3/TR13 serves as a crucial component in protecting electronic circuits from voltage transients, offering fast response times and compact form factors. Its application spans across various industries, ensuring the reliability and longevity of electronic systems.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4748CE3/TR13 en soluciones técnicas

  1. What is SMAJ4748CE3/TR13?

    • SMAJ4748CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What are the key features of SMAJ4748CE3/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 SMAJ4748CE3/TR13 be used?

    • SMAJ4748CE3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.

  4. How does SMAJ4748CE3/TR13 provide protection?

    • It provides protection by diverting excessive current away from sensitive components when a voltage surge occurs, thus preventing damage to the circuitry.

  5. What is the operating temperature range of SMAJ4748CE3/TR13?

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

  6. What is the recommended soldering profile for SMAJ4748CE3/TR13?

    • The recommended soldering profile includes a peak temperature of 260°C for 10 seconds, ensuring proper soldering without damaging the diode.

  7. Does SMAJ4748CE3/TR13 comply with any industry standards?

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

  8. Can SMAJ4748CE3/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.

  9. What are the typical failure modes of SMAJ4748CE3/TR13?

    • Typical failure modes include short-circuit failure due to excessive current or open-circuit failure if the diode is subjected to prolonged overvoltage conditions.

  10. Are there any application notes or design guidelines available for using SMAJ4748CE3/TR13?

    • Yes, the manufacturer provides detailed application notes and design guidelines to help engineers integrate SMAJ4748CE3/TR13 effectively into their technical solutions.