ON Semiconductor
Picha inaweza kuwa uwakilishi.
Angalia vipimo kwa maelezo ya bidhaa.
SMBJ18CA
Tazama Maelezo DataSheets

SMBJ18CA - Product Overview

Introduction

The SMBJ18CA is a part of the SMBJ series of transient voltage suppressor diodes. These diodes are designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients
  • Characteristics: Fast response time, low clamping voltage
  • Package: DO-214AA (SMB), 2-Pin package
  • Essence: Safeguarding electronic components from voltage spikes
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage - Reverse Standoff (Typ): 18V
  • Voltage - Breakdown: 20.1V
  • Clamping Voltage: 29.2V
  • Peak Pulse Current: 30.5A
  • Capacitance: 110pF
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ18CA has a simple 2-pin configuration with the anode and cathode terminals.

Functional Features

  • Fast response time to clamp transient voltages
  • Low clamping voltage to protect sensitive components
  • High surge current capability for robust protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited to specific voltage ranges
  • May require additional components for comprehensive transient protection

Working Principles

The SMBJ18CA operates by diverting excess transient current away from sensitive components, thereby limiting the voltage across the protected device during a transient event. This is achieved through the rapid conduction of the diode when the voltage exceeds its breakdown voltage.

Detailed Application Field Plans

The SMBJ18CA is widely used in various electronic systems and equipment, including: - Telecommunication equipment - Industrial control systems - Power supplies - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  • SMBJ10A: 10V reverse standoff voltage
  • SMBJ24A: 24V reverse standoff voltage
  • SMBJ36A: 36V reverse standoff voltage
  • SMBJ48A: 48V reverse standoff voltage

In conclusion, the SMBJ18CA transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in safeguarding sensitive electronic devices and systems.

(Word count: 366)

Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa SMBJ18CA katika suluhu za kiufundi

  1. What is SMBJ18CA used for?

    • SMBJ18CA is commonly used as a transient voltage suppressor to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum clamping voltage of SMBJ18CA?

    • The maximum clamping voltage of SMBJ18CA is 29.2 volts at 10A.

  3. What is the peak pulse current rating of SMBJ18CA?

    • The peak pulse current rating of SMBJ18CA is 100A.

  4. What are the typical applications of SMBJ18CA?

    • Typical applications of SMBJ18CA include protection of telecommunications equipment, power supplies, industrial control systems, and automotive electronics.

  5. What is the breakdown voltage of SMBJ18CA?

    • The breakdown voltage of SMBJ18CA is 20 volts.

  6. Is SMBJ18CA RoHS compliant?

    • Yes, SMBJ18CA is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  7. What is the operating temperature range of SMBJ18CA?

    • The operating temperature range of SMBJ18CA is -55°C to 150°C, making it suitable for a wide range of environments.

  8. Does SMBJ18CA require a heat sink for operation?

    • No, SMBJ18CA does not require a heat sink for normal operation due to its low power dissipation.

  9. Can SMBJ18CA be used for surge protection in consumer electronics?

    • Yes, SMBJ18CA can be used for surge protection in consumer electronics such as TVs, computers, and home entertainment systems.

  10. What is the packaging option available for SMBJ18CA?

    • SMBJ18CA is available in a variety of packaging options including DO-214AA (SMB) and DO-214AB (SMC) packages for surface mount applications.