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SMBJ300A
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SMBJ300A - Product Overview

Introduction

The SMBJ300A is a part of the SMBJ series of transient voltage suppressor diodes designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry will provide an in-depth overview of the SMBJ300A, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients induced by lightning and other transient voltage events
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: DO-214AA (SMB), SMD/SMT package
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel (3,000 units)

Specifications

  • Voltage - Reverse Standoff (Typ): 300V
  • Voltage - Breakdown (Min): 333V
  • Clamping Voltage @ Ipp: 486V
  • Current - Peak Pulse (10/1000µs): 17.6A
  • Power Peak Pulse: 600W
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ300A follows the standard pin configuration for SMB packages: 1. Anode 2. Cathode

Functional Features

  • Fast Response Time: Rapid reaction to transient voltage events
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Capability: Ability to withstand high surge currents

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Compact SMD/SMT package for easy integration
  • High surge capability for enhanced reliability

Disadvantages

  • Limited to low to medium power applications
  • May require additional components for comprehensive transient protection

Working Principles

The SMBJ300A operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from the protected circuit when a transient voltage event occurs. This action helps to limit the voltage across the circuit, preventing damage to sensitive electronic components.

Detailed Application Field Plans

The SMBJ300A is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

For users seeking alternatives to the SMBJ300A, the following models can be considered: - SMBJ5.0A: 5.0V reverse standoff voltage - SMBJ12A: 12V reverse standoff voltage - SMBJ24A: 24V reverse standoff voltage - SMBJ58A: 58V reverse standoff voltage

In conclusion, the SMBJ300A transient voltage suppressor diode offers effective protection against transient voltage events, making it a crucial component in safeguarding sensitive electronic equipment across various industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ300A v technických řešeních

  1. What is the SMBJ300A used for?

    • The SMBJ300A is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ300A?

    • The SMBJ300A has a maximum voltage rating of 300V.

  3. What is the peak pulse power handling capability of the SMBJ300A?

    • The SMBJ300A can handle peak pulse power up to 600W.

  4. What are the typical applications of the SMBJ300A?

    • The SMBJ300A is commonly used in power supplies, telecommunications equipment, automotive electronics, and industrial control systems.

  5. What is the clamping voltage of the SMBJ300A?

    • The clamping voltage of the SMBJ300A is typically around 485V at 10A.

  6. How does the SMBJ300A respond to transient voltage spikes?

    • The SMBJ300A quickly conducts excess current to ground, limiting the voltage across the protected circuit.

  7. Is the SMBJ300A suitable for high-speed data lines?

    • Yes, the SMBJ300A is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  8. What is the operating temperature range of the SMBJ300A?

    • The SMBJ300A typically operates within a temperature range of -55°C to 150°C.

  9. Does the SMBJ300A require any external components for proper operation?

    • No, the SMBJ300A is a standalone device and does not require additional external components for its operation.

  10. Can the SMBJ300A be used in conjunction with other protective devices?

    • Yes, the SMBJ300A can be used in combination with other protective devices such as varistors or gas discharge tubes for enhanced transient protection.