Taiwan Semiconductor Corporation
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SMBJ120CAHM4G
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SMBJ120CAHM4G

Product Overview

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

Specifications

  • Peak Pulse Power: 600 Watts
  • Breakdown Voltage: 120V
  • Operating Voltage: 103V
  • Reverse Standoff Voltage: 96.8V
  • Clamping Voltage: 164V
  • Maximum Surge Current: 30A

Detailed Pin Configuration

The SMBJ120CAHM4G TVS diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Provides effective protection against transient voltage events
  • Fast response time ensures minimal damage to protected circuits
  • Low clamping voltage limits voltage excursion during transient events
  • High surge capability allows the diode to handle large transient currents

Advantages

  • Robust overvoltage protection for sensitive electronic components
  • Fast response time for rapid protection activation
  • Compact SMB package for space-constrained applications

Disadvantages

  • Clamping voltage may be higher than some alternative models
  • Limited surge current handling compared to larger TVS diodes

Working Principles

When a transient voltage event occurs, the SMBJ120CAHM4G TVS diode conducts and clamps the voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

  • SMBJ5.0CA: Lower breakdown voltage, suitable for lower voltage applications
  • SMBJ200CA: Higher breakdown voltage, suitable for higher voltage applications
  • SMBJ120A: Similar characteristics but in a different package (DO-214AC)

In conclusion, the SMBJ120CAHM4G TVS diode offers reliable overvoltage protection with fast response times and high surge capability, making it suitable for a wide range of electronic applications.

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10个与SMBJ120CAHM4G在技术解决方案中的应用相关的常见问题及解答

  1. What is the SMBJ120CAHM4G?

    • The SMBJ120CAHM4G 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 SMBJ120CAHM4G?

    • The maximum working voltage of the SMBJ120CAHM4G is 120V.

  3. What is the peak pulse power of the SMBJ120CAHM4G?

    • The peak pulse power of the SMBJ120CAHM4G is 600W.

  4. What are the typical applications of the SMBJ120CAHM4G?

    • The SMBJ120CAHM4G is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls to protect against voltage transients.

  5. What is the clamping voltage of the SMBJ120CAHM4G?

    • The clamping voltage of the SMBJ120CAHM4G is 193V at 1A.

  6. What is the operating temperature range of the SMBJ120CAHM4G?

    • The SMBJ120CAHM4G has an operating temperature range of -55°C to 150°C.

  7. Does the SMBJ120CAHM4G meet any specific industry standards?

    • Yes, the SMBJ120CAHM4G complies with the requirements of RoHS and is also halogen-free.

  8. What is the package type of the SMBJ120CAHM4G?

    • The SMBJ120CAHM4G is available in a surface mount DO-214AA (SMB) package.

  9. Can the SMBJ120CAHM4G be used for ESD protection?

    • Yes, the SMBJ120CAHM4G can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  10. Is the SMBJ120CAHM4G suitable for high-speed data lines?

    • Yes, the SMBJ120CAHM4G is suitable for protecting high-speed data lines in applications such as Ethernet, USB, and HDMI interfaces.