Vishay Semiconductor Diodes Division
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SMBG18CAHE3/5B
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SMBG18CAHE3/5B

Product Overview

  • Category: Electronic Component
  • Use: Voltage Suppressor Diode
  • Characteristics: High surge capability, low clamping voltage, compact package
  • Package: SMB (DO-214AA)
  • Essence: Protects sensitive electronic devices from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage Range: 15.3V to 17V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMBG18CAHE3/5B has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Provides transient voltage suppression for electronic circuits
  • Fast response time
  • Low leakage current

Advantages and Disadvantages

Advantages: - High surge capability - Compact size - Low clamping voltage

Disadvantages: - Limited breakdown voltage range - Sensitive to temperature extremes

Working Principles

The SMBG18CAHE3/5B operates by diverting excess voltage away from sensitive components, thereby protecting them from damage due to voltage spikes.

Detailed Application Field Plans

This diode is commonly used in electronic circuits where protection against voltage transients is required, such as in power supplies, communication equipment, and automotive electronics.

Detailed and Complete Alternative Models

  • SMBJ18A: Similar specifications, different package (SMB)
  • P6SMB18CA: Higher peak pulse power, larger package (DO-214AA)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBG18CAHE3/5B v technických řešeních

  1. What is the SMBG18CAHE3/5B component used for in technical solutions?

    • The SMBG18CAHE3/5B is a high-efficiency surface mount Schottky barrier rectifier diode commonly used for power supply and voltage regulation in various technical solutions.

  2. What are the key electrical specifications of the SMBG18CAHE3/5B?

    • The SMBG18CAHE3/5B typically has a maximum forward voltage of 0.55V, a maximum reverse current of 500µA at 25°C, and a maximum forward current of 10A.

  3. How does the SMBG18CAHE3/5B contribute to improving energy efficiency in technical solutions?

    • The SMBG18CAHE3/5B's low forward voltage drop and high current capability help minimize power losses and improve overall energy efficiency in applications such as power supplies and voltage regulators.

  4. Can the SMBG18CAHE3/5B be used in automotive electronics applications?

    • Yes, the SMBG18CAHE3/5B is suitable for automotive electronics due to its robust construction and ability to handle high currents and voltages.

  5. What are the recommended operating conditions for the SMBG18CAHE3/5B?

    • The SMBG18CAHE3/5B is typically designed to operate within a temperature range of -65°C to +175°C and can handle peak pulse currents of up to 200A.

  6. Does the SMBG18CAHE3/5B have any special packaging or mounting requirements?

    • The SMBG18CAHE3/5B is available in a compact SMB package designed for surface mount applications, making it suitable for automated assembly processes.

  7. Are there any specific design considerations when using the SMBG18CAHE3/5B in high-frequency switching power supplies?

    • When used in high-frequency applications, careful attention should be paid to layout and thermal management to ensure optimal performance and reliability.

  8. What are the typical applications where the SMBG18CAHE3/5B is commonly used?

    • The SMBG18CAHE3/5B is often employed in DC-DC converters, voltage clamping circuits, reverse polarity protection, and other power management functions.

  9. Is the SMBG18CAHE3/5B suitable for use in industrial control systems?

    • Yes, the SMBG18CAHE3/5B is well-suited for industrial control systems due to its high current handling capability and rugged design.

  10. What are the potential failure modes to consider when using the SMBG18CAHE3/5B in technical solutions?

    • Potential failure modes include overcurrent conditions, excessive junction temperatures, and voltage transients, so proper protection and thermal management should be implemented.