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SMBJ45CA-HR
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SMBJ45CA-HR

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor
Package: DO-214AB
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 45V
  • Voltage - Breakdown (Min): 50V
  • Voltage - Clamping (Max) @ Ipp: 72.7V
  • Current - Peak Pulse (10/1000µs): 18.2A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMBJ45CA-HR has two pins, with the cathode connected to the ground and the anode connected to the protected circuit.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time
  • Low clamping voltage
  • High surge current capability

Advantages

  • Robust overvoltage protection
  • Compact size
  • Easy to install
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • May require additional heat sinking in high-power applications

Working Principles

The SMBJ45CA-HR operates by diverting excessive current away from sensitive components when a voltage spike occurs. It acts as a shunt to redirect the excess energy to the ground, protecting the connected circuitry.

Detailed Application Field Plans

The SMBJ45CA-HR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ5.0CA-HR: 5V reverse standoff voltage
  • SMBJ12CA-HR: 12V reverse standoff voltage
  • SMBJ24CA-HR: 24V reverse standoff voltage
  • SMBJ58CA-HR: 58V reverse standoff voltage

In conclusion, the SMBJ45CA-HR is a reliable transient voltage suppressor that offers robust protection for sensitive electronic devices. Its compact size and fast response make it suitable for a wide range of applications, although it may require additional heat sinking in high-power scenarios.

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技術ソリューションにおける SMBJ45CA-HR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure, here are 10 common questions and answers related to the application of SMBJ45CA-HR in technical solutions:

  1. What is the maximum peak pulse power dissipation of SMBJ45CA-HR?

    • The maximum peak pulse power dissipation of SMBJ45CA-HR is 600 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of SMBJ45CA-HR?

    • The breakdown voltage of SMBJ45CA-HR is typically 50.2V.

  3. What is the operating temperature range of SMBJ45CA-HR?

    • The operating temperature range of SMBJ45CA-HR is -55°C to +150°C.

  4. What is the typical reverse stand-off voltage of SMBJ45CA-HR?

    • The typical reverse stand-off voltage of SMBJ45CA-HR is 45V.

  5. What is the clamping voltage of SMBJ45CA-HR at a peak pulse current of 10A?

    • The clamping voltage of SMBJ45CA-HR at a peak pulse current of 10A is 77.4V.

  6. Is SMBJ45CA-HR RoHS compliant?

    • Yes, SMBJ45CA-HR is RoHS compliant.

  7. What is the package type of SMBJ45CA-HR?

    • SMBJ45CA-HR comes in a DO-214AA (SMB) package.

  8. What are the typical applications of SMBJ45CA-HR?

    • Typical applications of SMBJ45CA-HR include protection of sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

  9. What is the response time of SMBJ45CA-HR to a transient voltage surge?

    • The response time of SMBJ45CA-HR to a transient voltage surge is less than 1.0 nanosecond.

  10. What is the recommended mounting position for SMBJ45CA-HR?

    • The recommended mounting position for SMBJ45CA-HR is with the cathode end facing the circuit board.

I hope these answers provide the information you were looking for! If you have any more questions, feel free to ask.