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SMBJ12AHM4G
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SMBJ12AHM4G

Product Category: Electronic Component

Use: The SMBJ12AHM4G is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage transients in various applications.

Characteristics: This diode offers low clamping voltage, fast response time, and high surge capability. It is designed for use in applications where space is at a premium and protection is required against voltage transients caused by electrostatic discharge (ESD), electrical fast transients (EFT), and lightning-induced surges.

Package: The SMBJ12AHM4G is available in a compact SMB package, making it suitable for use in small form factor electronic devices.

Essence: The essence of the SMBJ12AHM4G lies in its ability to provide reliable overvoltage protection for sensitive electronic circuits.

Packaging/Quantity: The SMBJ12AHM4G is typically supplied in tape and reel packaging for automated assembly and is available in quantities suitable for both prototyping and production runs.

Specifications:

  • Peak Power Dissipation: 600W
  • Breakdown Voltage Range: 10.5V to 12.2V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 9.4V
  • Maximum Clamping Voltage: 15.6V
  • Leakage Current: 1µA

Detailed Pin Configuration:

The SMBJ12AHM4G features a standard SMB package with two pins for surface mounting onto a printed circuit board. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features:

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • RoHS compliant

Advantages:

  • Compact size
  • Reliable overvoltage protection
  • Suitable for automated assembly

Disadvantages:

  • Limited breakdown voltage range
  • Sensitive to reverse polarity connection

Working Principles:

The SMBJ12AHM4G operates by diverting excess current away from sensitive electronic components when a voltage transient occurs. It does this by rapidly switching into a low impedance state, effectively shunting the transient energy away from the protected circuit.

Detailed Application Field Plans:

The SMBJ12AHM4G is commonly used in a wide range of electronic devices and systems, including:

  • Consumer electronics
  • Telecommunications equipment
  • Industrial control systems
  • Automotive electronics
  • Medical devices

Detailed and Complete Alternative Models:

  • SMAJ12A: Similar specifications in a different package
  • P6KE12A: Axial leaded alternative with comparable characteristics
  • SMCJ12A: Higher power dissipation alternative for more demanding applications

In conclusion, the SMBJ12AHM4G is a versatile and reliable transient voltage suppressor diode suitable for a variety of electronic applications, providing essential protection against voltage transients while offering fast response times and high surge capability.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMBJ12AHM4G dalam penyelesaian teknikal

  1. What is the SMBJ12AHM4G?

    • The SMBJ12AHM4G is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMBJ12AHM4G?

    • The maximum peak pulse power of the SMBJ12AHM4G is 600 watts.

  3. What is the breakdown voltage of the SMBJ12AHM4G?

    • The breakdown voltage of the SMBJ12AHM4G is 12V.

  4. What are the typical applications of the SMBJ12AHM4G?

    • The SMBJ12AHM4G is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics for transient voltage protection.

  5. What is the operating temperature range of the SMBJ12AHM4G?

    • The SMBJ12AHM4G has an operating temperature range of -55°C to 150°C.

  6. What is the response time of the SMBJ12AHM4G?

    • The response time of the SMBJ12AHM4G is very fast, typically responding within nanoseconds to clamp transient voltages.

  7. Is the SMBJ12AHM4G RoHS compliant?

    • Yes, the SMBJ12AHM4G is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the packaging type of the SMBJ12AHM4G?

    • The SMBJ12AHM4G is available in a compact SMB package, which is suitable for surface mount applications.

  9. What are the key features of the SMBJ12AHM4G?

    • The key features of the SMBJ12AHM4G include low clamping voltage, high surge capability, and fast response time.

  10. Can the SMBJ12AHM4G be used for ESD protection?

    • Yes, the SMBJ12AHM4G can be used for electrostatic discharge (ESD) protection in various electronic circuits and systems.