Littelfuse Inc.
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P6SMBJ18
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P6SMBJ18 - Product Overview and Analysis

Introduction

The P6SMBJ18 is a transient voltage suppressor diode designed to protect sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This entry provides an in-depth analysis of the P6SMBJ18, covering its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Product Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients induced by lightning, inductive load switching, and electrostatic discharge
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: SMB (DO-214AA)
  • Essence: Safeguarding sensitive electronic devices from voltage transients
  • Packaging/Quantity: Available in tape and reel packaging with various quantities

Specifications

  • Voltage - Reverse Standoff (Typ): 15.3V
  • Voltage - Breakdown (Min): 17.1V
  • Voltage - Clamping (Max) @ Ipp: 27.4V
  • Peak Pulse Power: 600W
  • Power Dissipation (Max): 5W
  • Operating Temperature: -55°C to 150°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The P6SMBJ18 features a standard SMB (DO-214AA) package with two pins for easy integration into circuit designs. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast Response Time: Rapid reaction to transient voltage spikes
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Capability: Ability to handle large surge currents without degradation

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact SMB package for space-constrained applications
  • High surge capability for robust performance

Disadvantages

  • Limited to unidirectional protection
  • Sensitive to reverse polarity connection

Working Principles

The P6SMBJ18 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

The P6SMBJ18 finds extensive use in various applications, including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

For users seeking alternative options, the following models can be considered: - P6SMBJ10CA - P6SMBJ15A - P6SMBJ24CA - P6SMBJ33A

In conclusion, the P6SMBJ18 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in safeguarding sensitive electronic devices across diverse applications.

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Énumérez 10 questions et réponses courantes liées à l'application de P6SMBJ18 dans les solutions techniques

  1. What is the voltage rating of P6SMBJ18?

    • The voltage rating of P6SMBJ18 is 18V.

  2. What is the peak pulse power of P6SMBJ18?

    • The peak pulse power of P6SMBJ18 is typically 600W at 10/1000μs.

  3. What is the maximum clamping voltage of P6SMBJ18?

    • The maximum clamping voltage of P6SMBJ18 is 29.2V at 10A.

  4. What are the typical applications of P6SMBJ18?

    • P6SMBJ18 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the breakdown voltage of P6SMBJ18?

    • The breakdown voltage of P6SMBJ18 is typically between 20.0V and 22.2V.

  6. What is the operating temperature range of P6SMBJ18?

    • P6SMBJ18 is designed to operate within a temperature range of -55°C to 150°C.

  7. Is P6SMBJ18 RoHS compliant?

    • Yes, P6SMBJ18 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. What package type does P6SMBJ18 come in?

    • P6SMBJ18 is available in a DO-214AA (SMB) package.

  9. What is the response time of P6SMBJ18 to a surge event?

    • P6SMBJ18 has a very fast response time, typically responding to surge events in less than 1 nanosecond.

  10. Can P6SMBJ18 be used for overvoltage protection in power supply circuits?

    • Yes, P6SMBJ18 is suitable for overvoltage protection in power supply circuits, providing reliable protection against transient voltage spikes.