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SMCJ51A-HR
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SMCJ51A-HR

Product Overview

The SMCJ51A-HR belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMCJ51A-HR is characterized by its high reliability, fast response time, and low clamping voltage. It is typically packaged in a surface-mount package and is available in various quantities per package.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High reliability, fast response time, low clamping voltage
  • Package: Surface-mount package
  • Essence: Protecting sensitive electronic components
  • Packaging/Quantity: Available in various quantities per package

Specifications

  • Voltage - Breakdown (Min): 56.1V
  • Voltage - Clamping (Max) @ Ipp: 85.9V
  • Current - Peak Pulse (10/1000µs): 30.6A
  • Power - Peak Pulse: 1500W
  • Type: Zener

Detailed Pin Configuration

The SMCJ51A-HR typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Transient Voltage Suppression: Effectively suppresses voltage spikes and transients.
  • Fast Response Time: Quickly responds to transient events, protecting downstream components.

Advantages and Disadvantages

Advantages

  • Reliable protection for sensitive electronic components
  • Fast response time
  • Low clamping voltage

Disadvantages

  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMCJ51A-HR works by diverting excessive current away from sensitive components when a voltage spike or transient occurs. This helps to limit the voltage across the protected component, preventing damage.

Detailed Application Field Plans

The SMCJ51A-HR is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMCJ51A-HR include: - P6SMBJ51CA: Similar specifications and functionality - 1.5SMCJ51A: Higher power dissipation capability - 5KP51A: Suitable for higher power applications

In conclusion, the SMCJ51A-HR transient voltage suppressor diode offers reliable protection against voltage spikes and transients, making it an essential component in various electronic systems.

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  1. What is the SMCJ51A-HR?

    • The SMCJ51A-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 SMCJ51A-HR?

    • The maximum peak pulse power of the SMCJ51A-HR is 1500 watts.

  3. What is the breakdown voltage of the SMCJ51A-HR?

    • The breakdown voltage of the SMCJ51A-HR is 51 volts.

  4. What are the typical applications for the SMCJ51A-HR?

    • The SMCJ51A-HR is commonly used in telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage surges and transients.

  5. What is the operating temperature range of the SMCJ51A-HR?

    • The SMCJ51A-HR has an operating temperature range of -55°C to +175°C.

  6. What is the package type of the SMCJ51A-HR?

    • The SMCJ51A-HR is available in a DO-214AB (SMC) package.

  7. Does the SMCJ51A-HR comply with industry standards?

    • Yes, the SMCJ51A-HR complies with industry standards such as AEC-Q101 for automotive applications and is RoHS compliant.

  8. What is the clamping voltage of the SMCJ51A-HR?

    • The clamping voltage of the SMCJ51A-HR at its maximum peak pulse current is 82.4 volts.

  9. Can the SMCJ51A-HR be used for surge protection in power supply units?

    • Yes, the SMCJ51A-HR is suitable for surge protection in power supply units and can help safeguard sensitive components from voltage spikes.

  10. Is the SMCJ51A-HR suitable for high-reliability applications?

    • Yes, the SMCJ51A-HR is specifically designed for high-reliability applications and is well-suited for use in critical electronic systems where robust transient voltage suppression is required.