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SMBJ20ATR
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SMBJ20ATR

Product Information

Belongs to: Diode
Category: Transient Voltage Suppressor (TVS)
Use: Protects sensitive electronic devices from voltage transients
Characteristics: Fast response time, low clamping voltage, high surge current capability
Package: DO-214AA (SMB), 2-Pin
Essence: Provides overvoltage protection for electronic circuits
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600 Watts
  • Breakdown Voltage: 20V
  • Operating Voltage: 17.1V
  • Maximum Reverse Leakage Current: 1µA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ20ATR has two pins in a DO-214AA package. The anode is connected to pin 1 and the cathode to pin 2.

Functional Features

  • Transient Voltage Suppression: Quickly clamps voltage transients to a safe level.
  • Low Clamping Voltage: Protects sensitive components by limiting the voltage across them during transient events.
  • Fast Response Time: Reacts swiftly to transient voltage spikes, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - Low clamping voltage

Disadvantages: - Limited to specific voltage ratings - Requires careful consideration of reverse standoff voltage

Working Principles

The SMBJ20ATR works by diverting excess transient voltage away from sensitive electronic components. When a transient event occurs, the diode quickly conducts, providing a low-impedance path for the excess energy to be safely dissipated.

Detailed Application Field Plans

The SMBJ20ATR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5V Breakdown Voltage, 600W Peak Pulse Power
  • SMBJ12CA: 12V Breakdown Voltage, 600W Peak Pulse Power
  • SMBJ33A: 33V Breakdown Voltage, 600W Peak Pulse Power
  • SMBJ58CA: 58V Breakdown Voltage, 600W Peak Pulse Power

In conclusion, the SMBJ20ATR is a reliable transient voltage suppressor that offers fast response time and low clamping voltage, making it suitable for protecting sensitive electronic devices from voltage transients in various applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ20ATR i tekniska lösningar

  1. What is the SMBJ20ATR?

    • The SMBJ20ATR is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ20ATR?

    • The SMBJ20ATR has a maximum voltage rating of 20 volts.

  3. What is the peak pulse power dissipation of the SMBJ20ATR?

    • The peak pulse power dissipation of the SMBJ20ATR is 600 watts.

  4. What are the typical applications of the SMBJ20ATR?

    • The SMBJ20ATR is commonly used in applications such as protection of integrated circuits, small motors, and other sensitive electronic devices from voltage transients.

  5. What is the response time of the SMBJ20ATR?

    • The response time of the SMBJ20ATR is very fast, typically responding within nanoseconds to clamp the voltage spike.

  6. What is the operating temperature range of the SMBJ20ATR?

    • The SMBJ20ATR has an operating temperature range of -55°C to 150°C.

  7. How does the SMBJ20ATR compare to other similar transient voltage suppressors?

    • The SMBJ20ATR offers low clamping voltage and high surge capability, making it suitable for protecting sensitive electronics in various applications.

  8. Can the SMBJ20ATR be used in automotive applications?

    • Yes, the SMBJ20ATR is suitable for use in automotive electronics to protect against voltage transients.

  9. What is the packaging type of the SMBJ20ATR?

    • The SMBJ20ATR is available in a surface mount package.

  10. Are there any specific layout or mounting considerations for using the SMBJ20ATR?

    • It is recommended to minimize the length of the leads and keep the traces short between the SMBJ20ATR and the component it is protecting to maximize its effectiveness.