Vishay Semiconductor Diodes Division
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SMBJ70C-E3/52
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SMBJ70C-E3/52

Product Overview

The SMBJ70C-E3/52 belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMBJ70C-E3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically available in a DO-214AA (SMB) package and is designed to dissipate high amounts of transient power.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-214AA (SMB)
  • Essence: Protecting sensitive electronic components
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Peak Power Dissipation: 600W
  • Breakdown Voltage Range: 64.4V to 71.1V
  • Operating Temperature Range: -55°C to 150°C
  • Reverse Standoff Voltage: 58.1V
  • Forward Voltage: 3.5V at 10A

Detailed Pin Configuration

The SMBJ70C-E3/52 typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • High surge capability

Disadvantages

  • Clamping voltage may not be suitable for all applications
  • Requires careful consideration of placement within the circuit

Working Principles

When a transient voltage spike occurs, the SMBJ70C-E3/52 conducts and clamps the voltage to a safe level, diverting excess current away from sensitive components. This action protects the circuit from damage caused by the transient event.

Detailed Application Field Plans

The SMBJ70C-E3/52 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • P6KE68CA: Similar TVS diode with slightly different specifications
  • 1.5SMC75CA: TVS diode with higher peak power dissipation
  • SMAJ70A: TVS diode with similar characteristics but in a different package

In conclusion, the SMBJ70C-E3/52 is a crucial component in protecting electronic circuits from voltage transients, offering effective and reliable performance in a wide range of applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ70C-E3/52 en soluciones técnicas

  1. What is the SMBJ70C-E3/52?

    • The SMBJ70C-E3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of the SMBJ70C-E3/52?

    • The maximum peak pulse power of the SMBJ70C-E3/52 is 600 watts for an 8/20μs waveform.

  3. What is the breakdown voltage of the SMBJ70C-E3/52?

    • The breakdown voltage of the SMBJ70C-E3/52 is 77.8V.

  4. What are the typical applications of the SMBJ70C-E3/52?

    • The SMBJ70C-E3/52 is commonly used in telecommunications equipment, computers, industrial and consumer electronics, and automotive systems to protect against voltage transients.

  5. What is the operating temperature range of the SMBJ70C-E3/52?

    • The SMBJ70C-E3/52 has an operating temperature range of -55°C to +150°C.

  6. What is the clamping voltage of the SMBJ70C-E3/52?

    • The clamping voltage of the SMBJ70C-E3/52 at peak pulse current is 112V.

  7. Does the SMBJ70C-E3/52 meet industry standards for surge protection?

    • Yes, the SMBJ70C-E3/52 meets the requirements of IEC 61000-4-2 (ESD) and IEC 61000-4-5 (surge).

  8. Can the SMBJ70C-E3/52 be used for overvoltage protection in power supply circuits?

    • Yes, the SMBJ70C-E3/52 is suitable for overvoltage protection in power supply circuits and can help safeguard sensitive components from voltage spikes.

  9. What is the response time of the SMBJ70C-E3/52 to a transient event?

    • The response time of the SMBJ70C-E3/52 to a transient event is very fast, typically less than 1 nanosecond.

  10. Is the SMBJ70C-E3/52 RoHS compliant?

    • Yes, the SMBJ70C-E3/52 is RoHS compliant, making it suitable for use in environmentally conscious designs.