Microsemi Corporation
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
SMAJ4729E3/TR13
Ver Detalle Hojas de datos

SMAJ4729E3/TR13

Product Overview

Category

The SMAJ4729E3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

Characteristics

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

Package

The SMAJ4729E3/TR13 is typically available in a DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to provide robust protection against transient voltage events, thereby safeguarding electronic circuits and components.

Packaging/Quantity

It is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 43.6V
  • Breakdown Voltage: 48.4V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ4729E3/TR13 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

  • Bi-directional clamping capability
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Fast response time
  • Compact size

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage event occurs, the TVS diode conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The SMAJ4729E3/TR13 is commonly used in various applications including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMAJ4729E3/TR13 include: - SMBJ4729 from Vishay - P6SMBJ4729A from Littelfuse - SMCJ4729A from ON Semiconductor

In conclusion, the SMAJ4729E3/TR13 is a crucial component in protecting electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its compact size and bi-directional clamping capability make it suitable for a wide range of applications across various industries.

[Word Count: 398]

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4729E3/TR13 en soluciones técnicas

  1. What is SMAJ4729E3/TR13?

    • SMAJ4729E3/TR13 is a type of surface mount transient voltage suppressor diode that is commonly used to protect electronic circuits from voltage spikes and transients.

  2. What are the key features of SMAJ4729E3/TR13?

    • The key features of SMAJ4729E3/TR13 include its low clamping voltage, fast response time, high surge capability, and compact surface mount package.

  3. How does SMAJ4729E3/TR13 protect electronic circuits?

    • SMAJ4729E3/TR13 protects electronic circuits by diverting excessive voltage and current away from sensitive components, thereby preventing damage due to transient events.

  4. In what applications is SMAJ4729E3/TR13 commonly used?

    • SMAJ4729E3/TR13 is commonly used in applications such as power supplies, communication equipment, automotive electronics, industrial controls, and consumer electronics.

  5. What is the maximum peak pulse power of SMAJ4729E3/TR13?

    • The maximum peak pulse power of SMAJ4729E3/TR13 is typically specified in the datasheet and is an important parameter for determining its suitability for specific applications.

  6. How should SMAJ4729E3/TR13 be mounted on a PCB?

    • SMAJ4729E3/TR13 should be mounted using appropriate soldering techniques and layout considerations to ensure proper heat dissipation and electrical performance.

  7. What are the temperature specifications for SMAJ4729E3/TR13?

    • The temperature specifications for SMAJ4729E3/TR13, including operating and storage temperatures, should be carefully considered to ensure reliable performance in various environmental conditions.

  8. Are there any recommended test procedures for evaluating SMAJ4729E3/TR13 in a circuit?

    • Yes, the datasheet for SMAJ4729E3/TR13 typically provides recommended test procedures for evaluating its performance, including transient suppression characteristics and reliability testing.

  9. Can SMAJ4729E3/TR13 be used in high-frequency applications?

    • SMAJ4729E3/TR13 can be used in high-frequency applications, but it's important to consider its frequency response and parasitic effects to ensure optimal performance.

  10. Where can I find additional technical information about SMAJ4729E3/TR13?

    • Additional technical information about SMAJ4729E3/TR13 can be found in the datasheet provided by the manufacturer, as well as through technical support channels and industry resources.