Vishay Semiconductor Diodes Division
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SMBG12AHE3/52
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SMBG12AHE3/52

Product Overview

Category

The SMBG12AHE3/52 belongs to the category of surface mount 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 profile package
  • Ideal for automated placement
  • Glass passivated junction
  • Low inductance
  • High temperature stability

Package

The SMBG12AHE3/52 is available in a DO-215AB (SMB) package.

Essence

This product is essential for safeguarding electronic circuits from voltage spikes and surges.

Packaging/Quantity

The SMBG12AHE3/52 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage Range: 13.3V to 14.7V
  • Maximum Clamping Voltage: 21.5V
  • Operating Temperature Range: -55°C to +175°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBG12AHE3/52 has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge capability
  • ESD protection

Advantages

  • Compact size
  • High reliability
  • Wide operating temperature range
  • RoHS compliant

Disadvantages

  • Limited breakdown voltage options
  • Sensitive to reverse voltage

Working Principles

The SMBG12AHE3/52 operates by diverting excessive current away from the protected circuit when a transient voltage spike occurs. It does this by quickly providing a low impedance path to ground, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMBG12AHE3/52 is commonly used in various applications including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMBG12AHE3/52 include: - SMAJ12A - SMCJ12A - P6KE15CA

In conclusion, the SMBG12AHE3/52 is a crucial component in protecting electronic devices from voltage transients, offering fast response times and high surge capabilities. Its compact size and wide operating temperature range make it suitable for various applications, although it may have limited breakdown voltage options and sensitivity to reverse voltage. When considering alternatives, other models such as the SMAJ12A, SMCJ12A, and P6KE15CA can be explored based on specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de SMBG12AHE3/52 dans les solutions techniques

  1. What is the SMBG12AHE3/52 used for in technical solutions?

    • The SMBG12AHE3/52 is a Schottky barrier diode designed for use in high-frequency rectification and freewheeling applications.

  2. What are the key features of the SMBG12AHE3/52?

    • The key features include a low forward voltage drop, high surge capability, and a compact SMB package.

  3. What is the maximum forward voltage of the SMBG12AHE3/52?

    • The maximum forward voltage is typically around 0.55V at a forward current of 12A.

  4. Can the SMBG12AHE3/52 be used in high-frequency applications?

    • Yes, the SMBG12AHE3/52 is specifically designed for high-frequency rectification.

  5. What is the reverse voltage rating of the SMBG12AHE3/52?

    • The reverse voltage rating is 20V, making it suitable for low voltage applications.

  6. Is the SMBG12AHE3/52 suitable for freewheeling applications?

    • Yes, the SMBG12AHE3/52 is designed for use in freewheeling applications due to its fast reverse recovery time.

  7. What is the typical junction capacitance of the SMBG12AHE3/52?

    • The typical junction capacitance is around 300pF at a reverse bias of 4V.

  8. Does the SMBG12AHE3/52 have a high surge capability?

    • Yes, the SMBG12AHE3/52 is capable of handling high surge currents, making it suitable for demanding applications.

  9. What is the operating temperature range of the SMBG12AHE3/52?

    • The SMBG12AHE3/52 is rated for operation over a temperature range of -65°C to 175°C.

  10. Are there any recommended applications for the SMBG12AHE3/52?

    • Common applications include power supplies, LED lighting, and DC-DC converters.