Vishay Semiconductor Diodes Division
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SMBJ120A-M3/52
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SMBJ120A-M3/52

Product Overview

Category: Diode
Use: Voltage suppression in electronic circuits
Characteristics: Fast response time, low clamping voltage, compact package
Package: DO-214AB (SMC)
Essence: Transient Voltage Suppressor (TVS) diode
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 120V
  • Voltage - Breakdown (Min): 133V
  • Voltage - Clamping (Max) @ Ipp: 193V
  • Current - Peak Pulse (10/1000µs): 17.6A
  • Power - Peak Pulse: 600W
  • Type: Unidirectional

Detailed Pin Configuration

The SMBJ120A-M3/52 has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Rapid response to transient overvoltage conditions
  • Low clamping voltage to protect sensitive electronic components
  • Compact size for space-constrained applications

Advantages and Disadvantages

Advantages: 1. Fast response time 2. Low clamping voltage 3. Compact package

Disadvantages: 1. Unidirectional protection only 2. Limited power dissipation capability

Working Principles

The SMBJ120A-M3/52 operates by diverting excess current away from sensitive components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting the circuit from damage.

Detailed Application Field Plans

This diode is commonly used in: - Power supplies - Communication systems - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

  1. P6KE120CA: Similar specifications, axial package
  2. 1.5SMC120CA: Higher power dissipation, SMC package

This entry provides comprehensive information about the SMBJ120A-M3/52 diode, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

تکنیکی حل میں SMBJ120A-M3/52 کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is the SMBJ120A-M3/52?

    • The SMBJ120A-M3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of the SMBJ120A-M3/52?

    • The maximum peak pulse power of the SMBJ120A-M3/52 is 600 watts for an 8/20μs waveform.

  3. What is the breakdown voltage of the SMBJ120A-M3/52?

    • The breakdown voltage of the SMBJ120A-M3/52 is 120V.

  4. What are the typical applications for the SMBJ120A-M3/52?

    • Typical applications for the SMBJ120A-M3/52 include protection of telecommunications equipment, industrial controls, consumer electronics, and automotive systems.

  5. What is the operating temperature range of the SMBJ120A-M3/52?

    • The SMBJ120A-M3/52 has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ120A-M3/52?

    • The response time of the SMBJ120A-M3/52 is less than 1 picosecond.

  7. What is the package type of the SMBJ120A-M3/52?

    • The SMBJ120A-M3/52 is available in a DO-214AA (SMB) package.

  8. What are the key features of the SMBJ120A-M3/52?

    • The key features of the SMBJ120A-M3/52 include low clamping voltage, fast response time, and high surge capability.

  9. What are the recommended PCB layout guidelines for the SMBJ120A-M3/52?

    • It is recommended to minimize the length and area of the traces connecting the SMBJ120A-M3/52 to the circuit, and to provide a low impedance path to ground.

  10. How does the SMBJ120A-M3/52 compare to other similar devices?

    • The SMBJ120A-M3/52 offers a combination of high surge capability, low clamping voltage, and fast response time, making it suitable for a wide range of technical solutions.