Vishay Semiconductor Diodes Division
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SM8S12HE3/2D
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SM8S12HE3/2D

Product Overview

Category

The SM8S12HE3/2D belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, particularly in applications where protection against transient voltage spikes is crucial.

Characteristics

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

Package

The SM8S12HE3/2D is available in a DO-218AB package.

Essence

The essence of the SM8S12HE3/2D lies in its ability to provide robust protection against transient voltage events, safeguarding sensitive electronic components.

Packaging/Quantity

The SM8S12HE3/2D is typically packaged in reels and is available in varying quantities depending on the supplier.

Specifications

  • Peak Pulse Power: 8000W
  • Breakdown Voltage: 12V
  • Maximum Clamping Voltage: 19.9V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 10.5V
  • Leakage Current: 1µA

Detailed Pin Configuration

The SM8S12HE3/2D has a standard DO-218AB pin configuration with two leads.

Functional Features

  • High surge capability for reliable protection
  • Fast response time to clamp transient voltage spikes
  • Low clamping voltage to minimize stress on protected circuits

Advantages

  • Robust surge protection
  • Fast response time
  • RoHS compliant

Disadvantages

  • Higher cost compared to some alternative models
  • Larger physical size due to high power handling capability

Working Principles

The SM8S12HE3/2D operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SM8S12HE3/2D is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as alternatives to the SM8S12HE3/2D include: - SMAJ12A - P6KE12CA - 1.5KE12A

In conclusion, the SM8S12HE3/2D is a high-performance TVS diode that offers robust surge protection and fast response times, making it suitable for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SM8S12HE3/2D en soluciones técnicas

  1. What is the maximum peak pulse power of SM8S12HE3/2D?

    • The maximum peak pulse power of SM8S12HE3/2D is 800 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of SM8S12HE3/2D?

    • The breakdown voltage of SM8S12HE3/2D is 13.3V minimum and 14.7V maximum at 1mA.

  3. What is the operating temperature range of SM8S12HE3/2D?

    • The operating temperature range of SM8S12HE3/2D is -55°C to +150°C.

  4. What is the typical clamping voltage of SM8S12HE3/2D?

    • The typical clamping voltage of SM8S12HE3/2D is 19.9V at 42A.

  5. What is the package type of SM8S12HE3/2D?

    • SM8S12HE3/2D comes in an SMB package.

  6. What are the applications of SM8S12HE3/2D?

    • SM8S12HE3/2D is commonly used in surge protection for telecommunications equipment, Ethernet, and other high-speed data lines.

  7. What is the reverse stand-off voltage of SM8S12HE3/2D?

    • The reverse stand-off voltage of SM8S12HE3/2D is 12V.

  8. What is the peak pulse current of SM8S12HE3/2D?

    • The peak pulse current of SM8S12HE3/2D is 42A.

  9. Does SM8S12HE3/2D meet RoHS requirements?

    • Yes, SM8S12HE3/2D is compliant with RoHS requirements.

  10. What is the lead-free status of SM8S12HE3/2D?

    • SM8S12HE3/2D is lead-free and meets the requirements of the European Union's Restriction of Hazardous Substances (RoHS) directive.