Vishay Semiconductor Diodes Division
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SMAJ70-E3/61
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SMAJ70-E3/61

Product Overview

Category

The SMAJ70-E3/61 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

  • Voltage Suppression: Capable of suppressing transient voltages up to 70V.
  • Fast Response Time: Provides rapid response to voltage transients, safeguarding connected circuits.
  • Compact Package: Designed in a small form factor for easy integration into circuit designs.
  • RoHS Compliant: Environmentally friendly construction.

Package

The SMAJ70-E3/61 is typically available in a DO-214AC (SMA) package, which offers efficient heat dissipation and mechanical robustness.

Packaging/Quantity

It is commonly supplied in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 77.4V
  • Clamping Voltage: 112V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ70-E3/61 features a two-pin configuration, with the anode and cathode connections clearly labeled for ease of integration into circuit layouts.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Low Clamping Voltage: Ensures that the protected circuitry is not subjected to excessive voltages during transient events.
  • Fast Response Time: Rapid reaction to voltage spikes, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients.
  • Compact size for easy integration into circuit designs.
  • RoHS compliant, environmentally friendly construction.

Disadvantages

  • Limited to specific voltage suppression capabilities.
  • May require additional components for comprehensive surge protection in complex systems.

Working Principles

The SMAJ70-E3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage, effectively diverting the transient energy away from the protected circuitry.

Detailed Application Field Plans

Consumer Electronics

  • Used in power supply units and interface circuits to safeguard against voltage surges.

Automotive Electronics

  • Integrated into vehicle control modules and entertainment systems to protect against electrical disturbances.

Industrial Equipment

  • Employed in control systems and sensor interfaces to ensure reliable operation in harsh electrical environments.

Detailed and Complete Alternative Models

  • P6KE68CA: Offers similar transient voltage suppression characteristics.
  • 1.5KE75A: Provides higher peak pulse power handling capability for more demanding applications.

In conclusion, the SMAJ70-E3/61 serves as a crucial component in protecting electronic circuits from transient voltage events, finding applications across various industries due to its compact design and effective voltage suppression capabilities.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ70-E3/61 en soluciones técnicas

  1. What is the maximum repetitive peak reverse voltage of SMAJ70-E3/61?

    • The maximum repetitive peak reverse voltage of SMAJ70-E3/61 is 70V.

  2. What is the typical junction capacitance of SMAJ70-E3/61?

    • The typical junction capacitance of SMAJ70-E3/61 is 110pF.

  3. What is the forward voltage drop of SMAJ70-E3/61 at a specified current?

    • The forward voltage drop of SMAJ70-E3/61 at a specified current is typically 3.5V at 10A.

  4. What is the peak pulse power dissipation of SMAJ70-E3/61?

    • The peak pulse power dissipation of SMAJ70-E3/61 is 400W for a 10/1000μs waveform.

  5. What are the typical applications for SMAJ70-E3/61?

    • SMAJ70-E3/61 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and power supplies.

  6. What is the operating temperature range of SMAJ70-E3/61?

    • The operating temperature range of SMAJ70-E3/61 is -55°C to +150°C.

  7. Does SMAJ70-E3/61 have a low leakage current?

    • Yes, SMAJ70-E3/61 has a low leakage current, typically less than 1μA at its rated voltage.

  8. Is SMAJ70-E3/61 RoHS compliant?

    • Yes, SMAJ70-E3/61 is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing.

  9. What is the package type of SMAJ70-E3/61?

    • SMAJ70-E3/61 is available in a DO-214AC (SMA) package.

  10. Can SMAJ70-E3/61 be used for overvoltage protection in automotive applications?

    • Yes, SMAJ70-E3/61 can be used for overvoltage protection in automotive applications, such as in vehicle electronics and onboard systems.