Microsemi Corporation
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SMBJ4730/TR13
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SMBJ4730/TR13

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: Transient voltage suppressor diode, low clamping voltage, fast response time
  • Package: DO-214AA (SMB), 2-Pin
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 30V
  • Voltage - Breakdown (Min): 33.3V
  • Clamping Voltage (Max) @ Ipp: 48.4V
  • Peak Pulse Current: 10A
  • Power Dissipation (Max): 600W
  • Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

  • Pin 1: Anode
  • Pin 2: Cathode

Functional Features

  • Provides transient voltage protection for sensitive electronics
  • Fast response time to clamp transient voltages to safe levels
  • Low clamping voltage ensures minimal impact on protected circuits

Advantages and Disadvantages

  • Advantages:
    • Effective protection against voltage transients
    • Fast response time
    • Compact package size
  • Disadvantages:
    • Limited peak pulse current handling compared to larger devices
    • Higher clamping voltage than some specialized diodes

Working Principles

The SMBJ4730/TR13 operates by diverting excess voltage away from sensitive components when a transient voltage spike occurs. When the voltage exceeds the breakdown voltage, the diode conducts, shunting the excess energy to protect the circuit.

Detailed Application Field Plans

  • Telecommunications: Protecting communication equipment from lightning-induced surges
  • Automotive Electronics: Safeguarding vehicle electronics from voltage transients
  • Industrial Control Systems: Shielding control circuitry from power line disturbances

Detailed and Complete Alternative Models

  • SMBJ4728/TR13: Lower reverse standoff voltage (28V)
  • SMBJ4748/TR13: Higher reverse standoff voltage (48V)
  • SMBJ4760/TR13: Higher peak pulse current (60A)

This comprehensive entry provides an in-depth understanding of the SMBJ4730/TR13 diode, including its specifications, functional features, application fields, and alternative models.

기술 솔루션에 SMBJ4730/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the SMBJ4730/TR13?

    • The SMBJ4730/TR13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ4730/TR13?

    • The maximum working voltage of the SMBJ4730/TR13 is 30 volts.

  3. What is the peak pulse power dissipation of the SMBJ4730/TR13?

    • The peak pulse power dissipation of the SMBJ4730/TR13 is typically 600 watts.

  4. What are the typical applications of the SMBJ4730/TR13?

    • The SMBJ4730/TR13 is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems for transient voltage protection.

  5. What is the clamping voltage of the SMBJ4730/TR13?

    • The clamping voltage of the SMBJ4730/TR13 is the voltage at which it starts to conduct significant current during a transient event and is typically around 48.4 volts.

  6. What is the operating temperature range of the SMBJ4730/TR13?

    • The SMBJ4730/TR13 has an operating temperature range of -55°C to +150°C, making it suitable for a wide range of environments.

  7. How does the SMBJ4730/TR13 provide transient voltage protection?

    • The SMBJ4730/TR13 diverts excessive current away from sensitive components by shunting it to ground during transient events, thereby protecting the circuit.

  8. Is the SMBJ4730/TR13 RoHS compliant?

    • Yes, the SMBJ4730/TR13 is RoHS compliant, ensuring that it meets environmental standards for hazardous substance restrictions.

  9. What is the package type of the SMBJ4730/TR13?

    • The SMBJ4730/TR13 is available in a surface mount DO-214AA (SMB) package, which is compact and suitable for automated assembly processes.

  10. Can the SMBJ4730/TR13 be used for ESD protection?

    • While the primary function of the SMBJ4730/TR13 is transient voltage suppression, it can also provide some level of electrostatic discharge (ESD) protection for sensitive components. However, dedicated ESD protection devices may be more suitable for specific ESD protection requirements.