Vishay Semiconductor Diodes Division
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SMBJ43HE3/5B
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SMBJ43HE3/5B

Product Overview

Category

The SMBJ43HE3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes).

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The SMBJ43HE3/5B is available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMBJ43HE3/5B is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 43V
  • Breakdown Voltage: 47.8V
  • Maximum Clamping Voltage: 69.4V
  • Peak Pulse Current: 30.6A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ43HE3/5B TVS diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Bi-directional clamping capability
  • Low incremental surge resistance
  • High temperature stability

Advantages

  • Provides effective protection against voltage transients
  • Fast response time helps in minimizing damage to sensitive components
  • RoHS compliant, making it environmentally friendly

Disadvantages

  • May exhibit some leakage current at high temperatures
  • Limited to specific voltage ranges

Working Principles

When a transient voltage surge occurs, the SMBJ43HE3/5B TVS diode conducts and clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMBJ43HE3/5B is commonly used in various applications including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ43HE3/5B TVS diode include: - P6SMBJ43CA - SMCJ43A - 1.5SMCJ43A

In conclusion, the SMBJ43HE3/5B transient voltage suppressor diode offers reliable overvoltage protection with its fast response time, low clamping voltage, and high surge current capability. While it has advantages such as effective protection and RoHS compliance, it may have limitations related to leakage current and voltage range restrictions. Its application spans across various industries, and there are alternative models available for different design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ43HE3/5B i tekniska lösningar

  1. What is the SMBJ43HE3/5B?

    • The SMBJ43HE3/5B 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 SMBJ43HE3/5B?

    • The maximum peak pulse power of the SMBJ43HE3/5B is 600 watts.

  3. What is the breakdown voltage of the SMBJ43HE3/5B?

    • The breakdown voltage of the SMBJ43HE3/5B is 43 volts.

  4. What are the typical applications for the SMBJ43HE3/5B?

    • The SMBJ43HE3/5B is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics to protect against voltage surges.

  5. What is the operating temperature range of the SMBJ43HE3/5B?

    • The SMBJ43HE3/5B has an operating temperature range of -55°C to 150°C.

  6. What is the response time of the SMBJ43HE3/5B?

    • The response time of the SMBJ43HE3/5B is very fast, typically responding within nanoseconds to clamp the voltage spike.

  7. Is the SMBJ43HE3/5B RoHS compliant?

    • Yes, the SMBJ43HE3/5B is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. Can the SMBJ43HE3/5B be used for ESD protection?

    • Yes, the SMBJ43HE3/5B can be used for electrostatic discharge (ESD) protection in various electronic circuits and systems.

  9. What is the package type of the SMBJ43HE3/5B?

    • The SMBJ43HE3/5B comes in a surface mount DO-214AA (SMB) package.

  10. What are the key features of the SMBJ43HE3/5B?

    • The key features of the SMBJ43HE3/5B include low clamping voltage, high surge capability, and fast response time, making it ideal for protecting sensitive electronic components from voltage transients.