Microsemi Corporation
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SMBJ4738A/TR13
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SMBJ4738A/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): 43.6V
  • Voltage - Breakdown (Min): 48.5V
  • Voltage - Clamping (Max) @ Ipp: 70.1V
  • Current - Peak Pulse (10/1000µs): 19.2A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMBJ4738A/TR13 has a simple 2-pin configuration with no specific pinout requirements.

Functional Features

  • Provides transient voltage suppression for electronic circuits
  • Fast response time to protect sensitive components
  • Low clamping voltage ensures minimal impact on the circuit

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited peak pulse current handling capacity
  • Requires careful consideration of placement in the circuit for optimal performance

Working Principles

The SMBJ4738A/TR13 operates by diverting excess voltage away from sensitive components in the circuit, thereby protecting them from damage due to voltage spikes. When a transient voltage surge occurs, the diode rapidly conducts, providing a low-resistance path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMBJ4738A/TR13 is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ4728A/TR13: Similar specifications with slightly lower voltage ratings
  • SMBJ4748A/TR13: Similar specifications with slightly higher voltage ratings
  • SMBJ4768A/TR13: Higher voltage and power ratings for more demanding applications

This concludes the detailed entry for the SMBJ4738A/TR13 diode, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Texniki həllərdə SMBJ4738A/TR13 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the SMBJ4738A/TR13?

    • The SMBJ4738A/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 SMBJ4738A/TR13?

    • The maximum working voltage of the SMBJ4738A/TR13 is 38 volts.

  3. What is the peak pulse power dissipation of the SMBJ4738A/TR13?

    • The peak pulse power dissipation of the SMBJ4738A/TR13 is 600 watts.

  4. In what applications can the SMBJ4738A/TR13 be used?

    • The SMBJ4738A/TR13 can be used in various applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls.

  5. What is the clamping voltage of the SMBJ4738A/TR13?

    • The clamping voltage of the SMBJ4738A/TR13 is 61.4 volts at 10A.

  6. What is the operating temperature range of the SMBJ4738A/TR13?

    • The operating temperature range of the SMBJ4738A/TR13 is -55°C to +150°C.

  7. Does the SMBJ4738A/TR13 meet any specific industry standards?

    • Yes, the SMBJ4738A/TR13 meets the requirements of the RoHS directive and is also halogen-free.

  8. What is the package type of the SMBJ4738A/TR13?

    • The SMBJ4738A/TR13 comes in a surface mount DO-214AA (SMB) package.

  9. What are the recommended storage conditions for the SMBJ4738A/TR13?

    • It is recommended to store the SMBJ4738A/TR13 in a dry environment with a temperature range of -55°C to +150°C.

  10. Is there any application note or design guide available for using the SMBJ4738A/TR13 in technical solutions?

    • Yes, there are application notes and design guides provided by the manufacturer that offer guidance on incorporating the SMBJ4738A/TR13 into technical solutions.