Microsemi Corporation
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SMAJ4761AE3/TR13
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SMAJ4761AE3/TR13

Product Overview

Category: Diode
Use: Voltage clamping
Characteristics: Transient voltage suppressor diode
Package: DO-214AC (SMA)
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMAJ4761AE3/TR13
  • Voltage - Reverse Standoff (Typ): 43.6V
  • Voltage - Breakdown (Min): 48.5V
  • Voltage - Clamping (Max) @ Ipp: 77.4V
  • Current - Peak Pulse (10/1000µs): 34.8A
  • Power - Peak Pulse: 1500W
  • Type: Zener

Detailed Pin Configuration

The SMAJ4761AE3/TR13 diode has a standard DO-214AC (SMA) package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time to clamp transient voltages
  • Low clamping voltage to protect downstream components

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - Compact size

Disadvantages: - Limited power dissipation capability - May require additional circuitry for high-power applications

Working Principles

The SMAJ4761AE3/TR13 operates based on the principle of Zener breakdown. When a voltage transient occurs, the diode rapidly conducts, diverting the excess current away from the protected circuit. This action limits the voltage across the protected load, preventing damage.

Detailed Application Field Plans

The SMAJ4761AE3/TR13 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to SMAJ4761AE3/TR13 include: - P6SMBJ48CA - 1.5KE51CA - SMCJ48A

In conclusion, the SMAJ4761AE3/TR13 transient voltage suppressor diode is a crucial component in protecting sensitive electronic devices from voltage spikes. Its fast response time, low clamping voltage, and compact size make it an ideal choice for various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4761AE3/TR13 v technických řešeních

  1. What is SMAJ4761AE3/TR13?

    • SMAJ4761AE3/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 SMAJ4761AE3/TR13?

    • The maximum peak pulse power of SMAJ4761AE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4761AE3/TR13?

    • The breakdown voltage of SMAJ4761AE3/TR13 is 61 volts.

  4. What are the typical applications of SMAJ4761AE3/TR13?

    • SMAJ4761AE3/TR13 is commonly used in surge protection for telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.

  5. What is the operating temperature range of SMAJ4761AE3/TR13?

    • The operating temperature range of SMAJ4761AE3/TR13 is -55°C to +150°C.

  6. How does SMAJ4761AE3/TR13 provide overvoltage protection?

    • SMAJ4761AE3/TR13 clamps the voltage to a safe level by diverting excess current away from the protected circuit when an overvoltage event occurs.

  7. Is SMAJ4761AE3/TR13 RoHS compliant?

    • Yes, SMAJ4761AE3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the package type of SMAJ4761AE3/TR13?

    • SMAJ4761AE3/TR13 is available in a DO-214AC (SMA) package.

  9. What is the response time of SMAJ4761AE3/TR13?

    • The response time of SMAJ4761AE3/TR13 is very fast, typically in the nanosecond range.

  10. Can SMAJ4761AE3/TR13 be used for ESD protection?

    • Yes, SMAJ4761AE3/TR13 can be used for electrostatic discharge (ESD) protection in various electronic circuits and systems.