Microsemi Corporation
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SMBJ120AE3/TR13
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SMBJ120AE3/TR13

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor
Package: DO-214AB
Essence: Protects sensitive electronic devices from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 120V
  • Voltage - Breakdown (Min): 133V
  • Voltage - Clamping (Max) @ Ipp: 193V
  • Current - Peak Pulse (10/1000µs): 6.5A
  • Power - Peak Pulse: 600W
  • Type: Zener
  • Unidirectional: Yes

Detailed Pin Configuration

The SMBJ120AE3/TR13 has two pins in a DO-214AB package.

Functional Features

  • Provides protection against voltage transients
  • Fast response time
  • Low clamping voltage
  • High surge capability

Advantages and Disadvantages

Advantages: - Effective voltage suppression - Fast reaction to transient events - Compact size

Disadvantages: - Limited peak pulse current handling capacity - Unidirectional protection only

Working Principles

The SMBJ120AE3/TR13 operates based on the principle of Zener breakdown. When the voltage across the device exceeds the breakdown voltage, it conducts heavily to suppress the transient voltage and protect the connected circuitry.

Detailed Application Field Plans

This component is commonly used in various electronic systems such as power supplies, communication equipment, industrial controls, and automotive electronics to safeguard against voltage spikes and surges.

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5.0V reverse standoff voltage
  • SMBJ15CA: 15V reverse standoff voltage
  • SMBJ30A: 30V reverse standoff voltage
  • SMBJ58A: 58V reverse standoff voltage

In conclusion, the SMBJ120AE3/TR13 is a reliable transient voltage suppressor that offers effective protection against voltage transients in a compact package. Its fast response time and low clamping voltage make it suitable for a wide range of applications, although its unidirectional nature and limited peak pulse current handling capacity should be considered when selecting alternative models for specific requirements.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMBJ120AE3/TR13 dalam penyelesaian teknikal

  1. What is the SMBJ120AE3/TR13?

    • The SMBJ120AE3/TR13 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 SMBJ120AE3/TR13?

    • The maximum working voltage of the SMBJ120AE3/TR13 is 120V.

  3. What is the peak pulse power dissipation of the SMBJ120AE3/TR13?

    • The peak pulse power dissipation of the SMBJ120AE3/TR13 is typically 600W.

  4. What are the typical applications of the SMBJ120AE3/TR13?

    • The SMBJ120AE3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ120AE3/TR13?

    • The clamping voltage of the SMBJ120AE3/TR13 is the voltage at which it starts to conduct significantly during a transient event and is typically around 193V.

  6. What is the operating temperature range of the SMBJ120AE3/TR13?

    • The SMBJ120AE3/TR13 has an operating temperature range of -55°C to 150°C.

  7. How does the SMBJ120AE3/TR13 provide protection?

    • The SMBJ120AE3/TR13 diverts excess current away from sensitive components by providing a low-impedance path to ground during transient events.

  8. Is the SMBJ120AE3/TR13 RoHS compliant?

    • Yes, the SMBJ120AE3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What package type does the SMBJ120AE3/TR13 come in?

    • The SMBJ120AE3/TR13 is available in a surface mount DO-214AA (SMB) package.

  10. Are there any recommended layout considerations when using the SMBJ120AE3/TR13?

    • It is recommended to minimize the length and impedance of the traces connecting the SMBJ120AE3/TR13 to the protected circuit and to ensure a low-inductance path to ground for optimal performance.