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SMAJ78A R3G
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SMAJ78A R3G

Product Overview

  • Belongs to: Electronic Components
  • Category: Diode
  • Use: Voltage regulation and protection
  • Characteristics: Fast response, high reliability
  • Package: DO-214AC
  • Essence: Rectifier diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 78V
  • Voltage - Breakdown (Min): 86.7V
  • Voltage - Clamping (Max) @ Ipp: 126V
  • Current - Peak Pulse (10/1000µs): 5.56A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ78A R3G diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Fast response time
  • Low leakage current
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Provides effective voltage regulation - Fast response to transient overvoltage conditions - High reliability and durability

Disadvantages: - Limited power dissipation capability - May require additional circuitry for complex protection needs

Working Principles

The SMAJ78A R3G operates by allowing current to flow in one direction while blocking it in the reverse direction, providing voltage regulation and protection against transient overvoltage events.

Detailed Application Field Plans

This diode is commonly used in electronic circuits requiring voltage regulation and transient overvoltage protection, such as power supplies, automotive electronics, and industrial control systems.

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE82CA
  • Alternative Model 2: 1.5KE100CA
  • Alternative Model 3: SMBJ78CA

In conclusion, the SMAJ78A R3G diode is a reliable and efficient component for voltage regulation and transient overvoltage protection in various electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMAJ78A R3G i tekniska lösningar

  1. What is the maximum reverse voltage of SMAJ78A R3G?

    • The maximum reverse voltage of SMAJ78A R3G is 78V.

  2. What is the typical junction capacitance of SMAJ78A R3G?

    • The typical junction capacitance of SMAJ78A R3G is 150pF.

  3. What is the peak pulse power dissipation of SMAJ78A R3G?

    • The peak pulse power dissipation of SMAJ78A R3G is 400W.

  4. What is the operating temperature range of SMAJ78A R3G?

    • The operating temperature range of SMAJ78A R3G is -55°C to +150°C.

  5. What is the clamping voltage of SMAJ78A R3G at a specified peak pulse current?

    • The clamping voltage of SMAJ78A R3G at a specified peak pulse current is typically 100V.

  6. What are the typical applications for SMAJ78A R3G?

    • SMAJ78A R3G is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  7. Is SMAJ78A R3G RoHS compliant?

    • Yes, SMAJ78A R3G is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What is the package type of SMAJ78A R3G?

    • SMAJ78A R3G is available in a DO-214AC (SMA) package.

  9. What are the key features of SMAJ78A R3G?

    • Key features of SMAJ78A R3G include low profile, fast response time, and high reliability.

  10. Can SMAJ78A R3G be used for ESD protection?

    • Yes, SMAJ78A R3G can be used for electrostatic discharge (ESD) protection in various electronic circuits and systems.