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SMBJ26
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SMBJ26 Product Overview

Introduction

The SMBJ26 belongs to the category of transient voltage suppressor (TVS) diodes, which are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. This entry provides a comprehensive overview of the SMBJ26, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMB (DO-214AA)
  • Essence: TVS diode for circuit protection
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 26V
  • Voltage - Breakdown: 28.9V
  • Clamping Voltage: 42.1V
  • Peak Pulse Current: 10A
  • Power Dissipation: 600W
  • Polarity: Unidirectional
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ26 TVS diode typically has two pins, with the cathode identified by a line on the body of the diode.

Functional Features

  • Transient Voltage Suppression: Quickly clamps excessive voltage to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the circuit.
  • High Surge Current Capability: Can handle large surges without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • Higher clamping voltage compared to some specialized TVS diodes

Working Principles

When a voltage spike occurs in the circuit, the SMBJ26 TVS diode conducts, diverting the excess current away from sensitive components and limiting the voltage across the circuit.

Detailed Application Field Plans

The SMBJ26 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5V reverse standoff voltage
  • SMBJ15CA: 15V reverse standoff voltage
  • SMBJ33A: 33V reverse standoff voltage
  • SMBJ58CA: 58V reverse standoff voltage

In conclusion, the SMBJ26 TVS diode offers effective protection against voltage spikes and transients in a wide range of electronic applications, making it an essential component for ensuring the reliability and longevity of electronic systems.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMBJ26 in technische oplossingen

  1. What is the SMBJ26?

    • The SMBJ26 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ26?

    • The SMBJ26 has a maximum working voltage of 26 volts.

  3. What is the peak pulse power of the SMBJ26?

    • The peak pulse power of the SMBJ26 is typically 600 watts.

  4. What are the typical applications of the SMBJ26?

    • The SMBJ26 is commonly used in applications such as protection of electronic circuits, power supplies, telecommunications equipment, and automotive electronics.

  5. What is the clamping voltage of the SMBJ26?

    • The clamping voltage of the SMBJ26 is the voltage at which it starts to conduct significant current during a transient event, and for SMBJ26, it is typically around 34.4 volts.

  6. What is the response time of the SMBJ26?

    • The response time of the SMBJ26 is very fast, typically responding within nanoseconds to clamp the transient voltage.

  7. How does the SMBJ26 provide protection to electronic circuits?

    • The SMBJ26 diverts excess current away from sensitive components by providing a low-impedance path to ground during transient events.

  8. Is the SMBJ26 suitable for high-speed data lines?

    • Yes, the SMBJ26 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.

  9. What is the operating temperature range of the SMBJ26?

    • The SMBJ26 is designed to operate within a temperature range of -55°C to 150°C.

  10. Can the SMBJ26 be used in conjunction with other protective devices?

    • Yes, the SMBJ26 can be used in combination with other protective devices such as varistors and gas discharge tubes to provide comprehensive transient protection for electronic systems.