ON Semiconductor
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SMBJ40CA
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SMBJ40CA

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor
Package: SMB
Essence: Protects electronic circuits from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 40V
  • Voltage - Breakdown (Min): 44.4V
  • Voltage - Clamping (Max) @ Ipp: 64.5V
  • Current - Peak Pulse (10/1000µs): 10A
  • Power - Peak Pulse: 600W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMBJ40CA has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Provides protection against transient voltage events
  • Fast response time
  • Low clamping voltage

Advantages and Disadvantages

Advantages: - Effective in protecting sensitive electronic components - Fast reaction to voltage spikes - Low clamping voltage ensures minimal impact on the protected circuit

Disadvantages: - Limited to unidirectional protection - May require additional components for bidirectional protection

Working Principles

The SMBJ40CA operates by diverting excess current away from sensitive electronic components when a voltage spike occurs. It achieves this by rapidly clamping the voltage to a safe level, thereby safeguarding the circuit.

Detailed Application Field Plans

The SMBJ40CA is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMBJ40CA include: - P6SMBJ40CA - SMCJ40CA - 1.5SMCJ40CA - SMAJ40CA

In conclusion, the SMBJ40CA is a reliable transient voltage suppressor that offers effective protection for electronic circuits, particularly in applications where voltage spikes are a concern.

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Énumérez 10 questions et réponses courantes liées à l'application de SMBJ40CA dans les solutions techniques

  1. What is the SMBJ40CA used for?

    • The SMBJ40CA 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 SMBJ40CA?

    • The SMBJ40CA has a maximum working voltage of 40 volts.

  3. What is the peak pulse power dissipation of the SMBJ40CA?

    • The peak pulse power dissipation of the SMBJ40CA is 600 watts.

  4. How does the SMBJ40CA protect electronic circuits?

    • The SMBJ40CA clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. What are the typical applications of the SMBJ40CA?

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

  6. What is the response time of the SMBJ40CA during a transient event?

    • The response time of the SMBJ40CA is very fast, providing rapid protection against voltage spikes.

  7. Can the SMBJ40CA be used in high-speed data lines?

    • Yes, the SMBJ40CA is suitable for use in high-speed data lines due to its fast response time and low capacitance.

  8. Does the SMBJ40CA require external heat sinking?

    • In most cases, the SMBJ40CA does not require external heat sinking due to its ability to handle transient events efficiently.

  9. What is the operating temperature range of the SMBJ40CA?

    • The SMBJ40CA typically operates within a temperature range of -55°C to 150°C.

  10. Is the SMBJ40CA RoHS compliant?

    • Yes, the SMBJ40CA is RoHS compliant, making it suitable for use in environmentally conscious applications.