Littelfuse Inc.
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SMBJ14A
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SMBJ14A

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor
Package: DO-214AA
Essence: Protects against voltage transients
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 12.8V
  • Voltage - Breakdown (Min): 14.3V
  • Voltage - Clamping (Max) @ Ipp: 20.6V
  • Current - Peak Pulse (10/1000µs): 26.3A
  • Power - Peak Pulse: 400W
  • Type: Zener
  • Bidirectional: No

Detailed Pin Configuration

The SMBJ14A has two pins: 1. Anode 2. Cathode

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Provides effective protection against transient voltage events - Fast reaction time ensures minimal damage to sensitive components

Disadvantages: - May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMBJ14A operates by diverting excess current away from sensitive electronic components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

The SMBJ14A is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMBJ12A: Similar specifications with lower breakdown voltage
  • SMBJ15A: Similar specifications with higher breakdown voltage
  • SMBJ14CA: Unidirectional variant with similar characteristics

This information provides a comprehensive understanding of the SMBJ14A, its specifications, functionality, and applications, enabling informed decision-making for its integration into electronic designs.

10 domande e risposte comuni relative all'applicazione di SMBJ14A nelle soluzioni tecniche

Sure, here are 10 common questions and answers related to the application of SMBJ14A in technical solutions:

  1. What is the SMBJ14A?

    • The SMBJ14A is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMBJ14A?

    • The maximum peak pulse power of the SMBJ14A is 600 watts.

  3. What is the breakdown voltage of the SMBJ14A?

    • The breakdown voltage of the SMBJ14A is 14 volts.

  4. What are the typical applications of the SMBJ14A?

    • The SMBJ14A is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls.

  5. What is the response time of the SMBJ14A?

    • The response time of the SMBJ14A is very fast, typically responding to transient events in nanoseconds.

  6. How does the SMBJ14A provide protection against voltage transients?

    • The SMBJ14A clamps the voltage to a safe level, diverting excess current away from sensitive components and preventing damage.

  7. Can the SMBJ14A be used for overvoltage protection in automotive systems?

    • Yes, the SMBJ14A is suitable for overvoltage protection in automotive systems, providing reliable protection for sensitive electronics.

  8. What is the operating temperature range of the SMBJ14A?

    • The SMBJ14A has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  9. Is the SMBJ14A RoHS compliant?

    • Yes, the SMBJ14A is RoHS compliant, meeting environmental standards for lead-free manufacturing.

  10. Can multiple SMBJ14A devices be used in parallel for higher power handling?

    • Yes, multiple SMBJ14A devices can be used in parallel to increase power handling capability and provide redundancy in critical applications.