Microsemi Corporation
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SMAJ4730AE3/TR13
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SMAJ4730AE3/TR13

Product Overview

  • Belongs to: Diode
  • Category: Electronic Component
  • Use: Voltage Regulation and Protection
  • Characteristics: Small form factor, high reliability, low forward voltage drop
  • Package: DO-214AC (SMA), 2-Pin
  • Essence: Provides transient voltage suppression for electronic circuits
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMAJ4730AE3/TR13
  • Type: Zener Diode
  • Voltage - Reverse Standoff (Typ): 30V
  • Voltage - Breakdown (Min): 33.3V
  • Clamping Voltage @ Ipp: 48.4V
  • Current - Peak Pulse (10/1000µs): 34.1A
  • Power - Peak Pulse: 400W
  • Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The SMAJ4730AE3/TR13 is a two-pin diode with the following pin configuration: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides protection against transient voltage spikes
  • Low clamping voltage ensures minimal stress on protected circuits
  • Fast response time for effective transient suppression

Advantages and Disadvantages

Advantages

  • Compact size allows for easy integration into circuit designs
  • High reliability and durability
  • Low forward voltage drop minimizes power dissipation

Disadvantages

  • Limited maximum clamping voltage may not be suitable for some high-voltage applications
  • Requires careful consideration of peak pulse current ratings in design

Working Principles

The SMAJ4730AE3/TR13 operates by diverting excess transient voltage away from sensitive components in electronic circuits. When a voltage spike occurs, the diode rapidly conducts, providing a low-resistance path for the transient energy to dissipate, thus protecting downstream components.

Detailed Application Field Plans

The SMAJ4730AE3/TR13 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ4730AE3/TR13 include: - P6SMB33CA - 1.5KE33CA - SMBJ33CA - P4SMA33CA

In conclusion, the SMAJ4730AE3/TR13 Zener diode offers reliable transient voltage suppression in a compact package, making it an essential component in various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4730AE3/TR13 v technických řešeních

  1. What is SMAJ4730AE3/TR13?

    • SMAJ4730AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What are the key features of SMAJ4730AE3/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 SMAJ4730AE3/TR13 be used?

    • It is commonly used in applications such as telecommunications equipment, industrial automation, consumer electronics, and automotive electronics to protect against voltage surges.

  4. What is the operating voltage range of SMAJ4730AE3/TR13?

    • The operating voltage range is from 5V to 440V, making it suitable for a wide range of electronic devices.

  5. How does SMAJ4730AE3/TR13 provide protection?

    • It diverts excessive current away from sensitive components by clamping the voltage during transient events, thereby safeguarding the circuitry.

  6. What is the typical response time of SMAJ4730AE3/TR13?

    • The typical response time is less than 1 picosecond, ensuring rapid protection against voltage spikes.

  7. Is SMAJ4730AE3/TR13 RoHS compliant?

    • Yes, it is compliant with the Restriction of Hazardous Substances directive, making it environmentally friendly.

  8. Can SMAJ4730AE3/TR13 be used in high-speed data lines?

    • Yes, it is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  9. What is the temperature range for SMAJ4730AE3/TR13?

    • It has an operating temperature range of -55°C to 150°C, allowing for reliable performance in various environments.

  10. Are there any recommended layout considerations when using SMAJ4730AE3/TR13?

    • Yes, it is advisable to minimize the length and impedance of the traces connecting the diode to the protected circuit and to ensure proper grounding for optimal performance.