Vishay Semiconductor Diodes Division
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SMBJ12CAHE3/5B
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SMBJ12CAHE3/5B

Product Overview

Category

The SMBJ12CAHE3/5B belongs to the category of transient voltage suppressor diodes.

Use

It is used for protecting sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

  • Low clamping voltage
  • Fast response time
  • High surge current capability

Package

The SMBJ12CAHE3/5B is available in a surface mount DO-214AA (SMB) package.

Essence

The essence of the SMBJ12CAHE3/5B lies in its ability to provide robust protection against transient voltage events.

Packaging/Quantity

The SMBJ12CAHE3/5B is typically packaged in reels and is available in quantities specified by the manufacturer.

Specifications

  • Standoff Voltage: 10.2V
  • Breakdown Voltage: 11.4V
  • Maximum Clamping Voltage: 16.7V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ12CAHE3/5B has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Responds quickly to voltage transients
  • Limits the voltage across the protected circuit

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact surface mount package

Disadvantages

  • Limited peak pulse current compared to some higher-rated devices
  • Clamping voltage may be higher than some other options

Working Principles

The SMBJ12CAHE3/5B works by diverting excess current away from the protected circuit when a transient voltage event occurs. It does this by rapidly switching into a low-resistance state, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The SMBJ12CAHE3/5B is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ12CAHE3/5B include: - SMAJ12A - P6SMB12A - SMCJ12A

In conclusion, the SMBJ12CAHE3/5B is a reliable transient voltage suppressor diode that offers effective protection for sensitive electronic equipment. Its fast response time and high surge current capability make it suitable for a wide range of applications, although users should consider its limitations in peak pulse current and clamping voltage when selecting a device for specific requirements.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ12CAHE3/5B i tekniska lösningar

  1. What is the SMBJ12CAHE3/5B?

    • The SMBJ12CAHE3/5B 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 SMBJ12CAHE3/5B?

    • The maximum peak pulse power of the SMBJ12CAHE3/5B is 600 watts.

  3. What is the breakdown voltage of the SMBJ12CAHE3/5B?

    • The breakdown voltage of the SMBJ12CAHE3/5B is 12 volts.

  4. What are the typical applications for the SMBJ12CAHE3/5B?

    • The SMBJ12CAHE3/5B is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage surges and transients.

  5. What is the operating temperature range of the SMBJ12CAHE3/5B?

    • The SMBJ12CAHE3/5B has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ12CAHE3/5B?

    • The response time of the SMBJ12CAHE3/5B is very fast, typically responding within nanoseconds to clamp the voltage spike.

  7. Does the SMBJ12CAHE3/5B require any external components for proper operation?

    • No, the SMBJ12CAHE3/5B does not require any external components for proper operation.

  8. Can the SMBJ12CAHE3/5B be used in high-frequency applications?

    • Yes, the SMBJ12CAHE3/5B can be used in high-frequency applications due to its fast response time and low capacitance.

  9. Is the SMBJ12CAHE3/5B RoHS compliant?

    • Yes, the SMBJ12CAHE3/5B is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  10. What is the packaging type of the SMBJ12CAHE3/5B?

    • The SMBJ12CAHE3/5B is available in a surface mount package, making it easy to integrate into printed circuit boards.