Vishay Semiconductor Diodes Division
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SMBJ43AHE3/5B
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SMBJ43AHE3/5B

Product Overview

The SMBJ43AHE3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used for protecting sensitive electronics from voltage spikes and transients. The SMBJ43AHE3/5B is characterized by its high surge capability, low clamping voltage, and fast response time. It is available in a compact package, making it suitable for various applications where space is limited. The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage. The SMBJ43AHE3/5B is typically packaged in tape and reel format, with quantities varying based on customer requirements.

Specifications

  • Part Number: SMBJ43AHE3/5B
  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: SMB (DO-214AA)
  • Essence: Divert excessive current away from sensitive components
  • Packaging/Quantity: Tape and Reel, quantity varies

Detailed Pin Configuration

The SMBJ43AHE3/5B follows the standard pin configuration for SMB package diodes, with two pins for connection to the circuit board.

Functional Features

  • High surge capability for robust protection
  • Low clamping voltage to limit the voltage across the protected circuit
  • Fast response time to quickly divert transient currents

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes and transients
  • Compact package suitable for space-constrained applications
  • Fast response time enhances system reliability

Disadvantages

  • May exhibit some leakage current in normal operating conditions
  • Limited to specific voltage and current ratings

Working Principles

The SMBJ43AHE3/5B operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts excess current to ground, preventing it from reaching the sensitive components. This action effectively limits the voltage across the protected circuit, safeguarding it from potential damage.

Detailed Application Field Plans

The SMBJ43AHE3/5B finds extensive use in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ33AHE3/5B: Similar TVS diode with lower clamping voltage
  • SMBJ48AHE3/5B: Similar TVS diode with higher surge capability
  • SMBJ43CAHE3/5B: Similar TVS diode with different voltage rating

In conclusion, the SMBJ43AHE3/5B transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in safeguarding sensitive electronics across various industries.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ43AHE3/5B i tekniska lösningar

  1. What is the SMBJ43AHE3/5B?

    • The SMBJ43AHE3/5B is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and surges.

  2. What is the maximum working voltage of the SMBJ43AHE3/5B?

    • The maximum working voltage of the SMBJ43AHE3/5B is 43V.

  3. What is the peak pulse power of the SMBJ43AHE3/5B?

    • The peak pulse power of the SMBJ43AHE3/5B is 600W.

  4. In what type of applications can the SMBJ43AHE3/5B be used?

    • The SMBJ43AHE3/5B can be used in various applications such as telecommunications equipment, industrial automation, automotive electronics, and power supplies.

  5. What are the key features of the SMBJ43AHE3/5B?

    • The key features of the SMBJ43AHE3/5B include low clamping voltage, fast response time, and high surge capability.

  6. How does the SMBJ43AHE3/5B protect electronic circuits?

    • The SMBJ43AHE3/5B diverts excessive current away from sensitive components during voltage transients, thereby protecting them from damage.

  7. What is the operating temperature range of the SMBJ43AHE3/5B?

    • The SMBJ43AHE3/5B has an operating temperature range of -55°C to 150°C.

  8. Is the SMBJ43AHE3/5B RoHS compliant?

    • Yes, the SMBJ43AHE3/5B is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. Can the SMBJ43AHE3/5B be used in high-speed data lines?

    • Yes, the SMBJ43AHE3/5B is suitable for protecting high-speed data lines from voltage transients.

  10. Are there any recommended layout considerations when using the SMBJ43AHE3/5B?

    • It is recommended to minimize the length and impedance of the traces connecting the SMBJ43AHE3/5B to the protected circuit and to provide a low-inductance path to ground for optimal performance.