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SMBJ48A-HR
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SMBJ48A-HR

Product Overview

Category: Electronic Component
Use: Protection against transient voltage spikes
Characteristics: High reliability, fast response time, low clamping voltage
Package: DO-214AB (SMC)
Essence: Transient Voltage Suppressor (TVS) diode
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 53.3V
  • Clamping Voltage: 86.5V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ48A-HR has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Fast response to transient over-voltage conditions
  • Low clamping voltage for effective protection
  • High reliability and robustness

Advantages

  • Provides effective protection against transient voltage spikes
  • Fast response time ensures minimal damage to sensitive components
  • High reliability and durability

Disadvantages

  • May require additional circuitry for comprehensive surge protection
  • Limited to specific voltage and power ratings

Working Principles

The SMBJ48A-HR operates by diverting excessive current away from sensitive components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.

Detailed Application Field Plans

  • Telecommunications: Protects communication equipment from lightning-induced surges
  • Automotive: Safeguards electronic systems from voltage transients in automotive applications
  • Industrial Control Systems: Shields control circuits from voltage spikes in industrial environments

Detailed and Complete Alternative Models

  • P6KE51CA: Similar TVS diode with higher peak pulse power rating
  • 1.5SMC48CA: TVS diode with similar characteristics but in a different package

This TVS diode is widely used in various electronic systems to protect against transient voltage spikes, making it an essential component in ensuring the reliability and longevity of electronic devices.

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技術ソリューションにおける SMBJ48A-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。

  1. What is the SMBJ48A-HR?

    • The SMBJ48A-HR is a high-reliability, surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of the SMBJ48A-HR?

    • The maximum peak pulse power of the SMBJ48A-HR is 600 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of the SMBJ48A-HR?

    • The breakdown voltage of the SMBJ48A-HR is 53.3 volts.

  4. What are the typical applications for the SMBJ48A-HR?

    • Typical applications for the SMBJ48A-HR include protection of telecommunications equipment, industrial controls, consumer electronics, and automotive electronics.

  5. What is the operating temperature range of the SMBJ48A-HR?

    • The operating temperature range of the SMBJ48A-HR is -55°C to +150°C.

  6. What is the response time of the SMBJ48A-HR?

    • The response time of the SMBJ48A-HR is less than 1 picosecond.

  7. What is the package type of the SMBJ48A-HR?

    • The SMBJ48A-HR is available in a DO-214AA (SMB) package.

  8. Is the SMBJ48A-HR RoHS compliant?

    • Yes, the SMBJ48A-HR is RoHS compliant.

  9. What are the key features of the SMBJ48A-HR?

    • The key features of the SMBJ48A-HR include low clamping voltage, fast response time, and high reliability.

  10. What are the recommended PCB layout guidelines for the SMBJ48A-HR?

    • It is recommended to keep the traces short and direct between the SMBJ48A-HR and the protected circuitry, and to provide adequate clearance around the device for heat dissipation. Additionally, it is important to ensure proper grounding and minimize loop area for optimal performance.