Microsemi Corporation
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SMAJ4734CE3/TR13
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SMAJ4734CE3/TR13

Product Overview

Category

The SMAJ4734CE3/TR13 belongs to the category of semiconductor devices, specifically a transient voltage suppressor (TVS) diode.

Use

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

Characteristics

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

Package

The SMAJ4734CE3/TR13 is typically available in a DO-214AC (SMA) package.

Essence

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

Packaging/Quantity

The SMAJ4734CE3/TR13 is commonly packaged in reels or tape and reel, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 43.2V
  • Breakdown Voltage: 47.8V
  • Maximum Clamping Voltage: 77.4V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ4734CE3/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 protection
  • Low leakage current
  • High reliability
  • Compact size

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

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

Working Principles

When a transient voltage event occurs, the TVS diode conducts current to divert the excess energy away from the protected components, thus limiting the voltage across the circuit.

Detailed Application Field Plans

The SMAJ4734CE3/TR13 is widely used in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMAJ4734CE3/TR13 include: - P6KE39CA - 1.5KE33CA - SMBJ36CA - SMCJ40CA

In conclusion, the SMAJ4734CE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients and finds extensive use in diverse electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4734CE3/TR13 v technických řešeních

  1. What is SMAJ4734CE3/TR13?

    • SMAJ4734CE3/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 SMAJ4734CE3/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 technical solutions can SMAJ4734CE3/TR13 be used?

    • SMAJ4734CE3/TR13 can be used in various technical solutions such as power supplies, automotive electronics, industrial controls, and telecommunications equipment to protect against voltage surges.

  4. How does SMAJ4734CE3/TR13 provide protection against voltage spikes?

    • SMAJ4734CE3/TR13 diverts excessive current away from sensitive components by clamping the voltage to a safe level during transient events.

  5. What is the operating temperature range of SMAJ4734CE3/TR13?

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

  6. Is SMAJ4734CE3/TR13 RoHS compliant?

    • Yes, SMAJ4734CE3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  7. What is the typical application circuit for SMAJ4734CE3/TR13?

    • A typical application circuit includes placing the diode in parallel with the protected circuit, with appropriate current-limiting resistors if necessary.

  8. What are the packaging options available for SMAJ4734CE3/TR13?

    • SMAJ4734CE3/TR13 is available in various package options such as DO-214AC (SMA) and DO-214AB (SMC).

  9. Can SMAJ4734CE3/TR13 be used for ESD protection?

    • While SMAJ4734CE3/TR13 is primarily designed for transient voltage suppression, it can also provide some level of electrostatic discharge (ESD) protection.

  10. Are there any specific layout considerations when using SMAJ4734CE3/TR13 in a design?

    • It is important to minimize the trace length between the protected component and the SMAJ4734CE3/TR13 to reduce inductance and ensure effective transient suppression.

Please let me know if you need further information on any of these questions!