Microsemi Corporation
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SMAJ4755AE3/TR13
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SMAJ4755AE3/TR13

Product Overview

Category

The SMAJ4755AE3/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

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

Package

The SMAJ4755AE3/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.

Packaging/Quantity

The SMAJ4755AE3/TR13 is commonly packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 51.7V
  • Breakdown Voltage: 57.2V
  • Maximum Clamping Voltage: 82.4V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ4755AE3/TR13 typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Transient voltage suppression
  • Reverse standoff voltage protection
  • Fast response to transient events

Advantages

  • Provides effective protection against voltage transients
  • Fast response time helps in minimizing potential damage to sensitive components
  • RoHS compliance ensures environmental friendliness

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection
  • Clamping voltage may still allow some level of transient energy to pass through

Working Principles

When a transient voltage spike occurs, the SMAJ4755AE3/TR13 conducts current to divert the excess energy away from the protected components, thus limiting the voltage across the circuit.

Detailed Application Field Plans

The SMAJ4755AE3/TR13 is widely used in various applications including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ4755AE3/TR13 include: - P6KE51CA - 1.5KE51CA - SA51CA

In conclusion, the SMAJ4755AE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in various electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4755AE3/TR13 v technických řešeních

  1. What is SMAJ4755AE3/TR13?

    • SMAJ4755AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of SMAJ4755AE3/TR13?

    • The maximum peak pulse power of SMAJ4755AE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4755AE3/TR13?

    • The breakdown voltage of SMAJ4755AE3/TR13 is 55 volts.

  4. What are the typical applications of SMAJ4755AE3/TR13?

    • SMAJ4755AE3/TR13 is commonly used in telecommunications equipment, industrial control systems, consumer electronics, and automotive electronics to protect against voltage surges.

  5. What is the operating temperature range of SMAJ4755AE3/TR13?

    • The operating temperature range of SMAJ4755AE3/TR13 is -55°C to +150°C.

  6. What is the clamping voltage of SMAJ4755AE3/TR13?

    • The clamping voltage of SMAJ4755AE3/TR13 at its peak pulse current is typically 77.4 volts.

  7. How does SMAJ4755AE3/TR13 provide protection?

    • SMAJ4755AE3/TR13 diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events.

  8. Can SMAJ4755AE3/TR13 be used for overvoltage protection in power supply circuits?

    • Yes, SMAJ4755AE3/TR13 can be used to protect power supply circuits from overvoltage events and voltage spikes.

  9. What is the package type of SMAJ4755AE3/TR13?

    • SMAJ4755AE3/TR13 is available in a DO-214AC (SMA) package.

  10. Is SMAJ4755AE3/TR13 RoHS compliant?

    • Yes, SMAJ4755AE3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive.