Littelfuse Inc.
Das Bild kann eine Darstellung sein.
Siehe Spezifikationen für Produktdetails.
SMBJ26A
Im Detail sehen Datenblätter

SMBJ26A - Product Overview

Introduction

The SMBJ26A belongs to the category of transient voltage suppressor (TVS) diodes, which are used to protect sensitive electronic components from voltage spikes and transients. These diodes exhibit characteristics such as high surge capability, low clamping voltage, and fast response time. They are typically packaged in a small, surface-mount package and are available in various quantities per package.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Surface-mount package
  • Essence: Protecting sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, with varying quantities per reel

Specifications

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

Detailed Pin Configuration

The SMBJ26A TVS diode typically features a standard SOD-123 package with two pins. Pin 1 is the anode, while pin 2 is the cathode.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level.
  • Fast Response Time: Rapid reaction to voltage spikes, minimizing potential damage.
  • High Surge Capability: Able to withstand large surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection of sensitive electronic components
  • Fast response time for immediate suppression of transients
  • Small form factor for space-constrained applications

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • Higher capacitance may affect high-frequency signal integrity

Working Principles

When a voltage spike or transient occurs, the SMBJ26A TVS diode conducts current and clamps the voltage to a safe level, diverting excess energy away from the protected circuit. This rapid response helps prevent damage to sensitive components by limiting the voltage across them.

Detailed Application Field Plans

The SMBJ26A TVS diode finds application in various fields, including: - Telecommunications: Protection of communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage transients - Industrial Control Systems: Shielding control circuits from electrical disturbances - Consumer Electronics: Protecting sensitive components in electronic devices

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5.0V reverse standoff voltage
  • SMBJ15A: 15V reverse standoff voltage
  • SMBJ40A: 40V reverse standoff voltage
  • SMBJ100A: 100V reverse standoff voltage

In conclusion, the SMBJ26A TVS diode offers effective transient voltage suppression with fast response times, making it a valuable component in safeguarding sensitive electronic circuits from damaging voltage spikes and transients.

[Word Count: 498]

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SMBJ26A in technischen Lösungen auf

  1. What is the SMBJ26A?

    • The SMBJ26A 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 SMBJ26A?

    • The SMBJ26A has a maximum voltage rating of 26 volts.

  3. What is the peak pulse power dissipation of the SMBJ26A?

    • The peak pulse power dissipation of the SMBJ26A is typically 600 watts.

  4. What are the typical applications of the SMBJ26A?

    • The SMBJ26A is commonly used in applications such as telecommunications equipment, industrial automation, and automotive electronics for transient voltage protection.

  5. What is the clamping voltage of the SMBJ26A?

    • The clamping voltage of the SMBJ26A is the voltage at which it starts to conduct significant current during a transient event, and for SMBJ26A, it is typically around 34.4 volts.

  6. What is the response time of the SMBJ26A?

    • The response time of the SMBJ26A is very fast, typically responding to transient events in nanoseconds.

  7. Can the SMBJ26A be used for overvoltage protection in power supply circuits?

    • Yes, the SMBJ26A can be used to protect power supply circuits from overvoltage events.

  8. Is the SMBJ26A suitable for high-speed data lines protection?

    • Yes, the SMBJ26A is suitable for protecting high-speed data lines from voltage transients.

  9. What is the operating temperature range of the SMBJ26A?

    • The SMBJ26A typically operates within a temperature range of -55°C to 150°C.

  10. Does the SMBJ26A require any external components for proper operation?

    • The SMBJ26A does not require any external components for its basic operation, but additional circuitry may be needed depending on the specific application requirements.