Vishay Semiconductor Diodes Division
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SMA5J12-E3/61
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SMA5J12-E3/61

Product Overview

Category

The SMA5J12-E3/61 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 overvoltage events is required.

Characteristics

  • Voltage Suppression: Capable of suppressing voltage spikes and transients.
  • Fast Response Time: Provides rapid response to transient events.
  • High Power Handling Capacity: Able to handle high power surges.
  • Compact Size: Small form factor for easy integration into circuit designs.

Package

The SMA5J12-E3/61 is typically available in a surface mount package.

Essence

The essence of SMA5J12-E3/61 lies in its ability to protect sensitive electronic components from voltage transients and surges, thereby ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

The product is usually packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

  • Standoff Voltage: 12V
  • Peak Pulse Power: 5000W
  • Breakdown Voltage: 13.3V
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: SMA

Detailed Pin Configuration

The SMA5J12-E3/61 typically has two pins for surface mount soldering onto the PCB. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients and surges.
  • Low Clamping Voltage: Ensures that the protected circuitry is not subjected to excessive voltages during transient events.
  • Fast Reaction Time: Rapid response to transient events ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High power handling capacity

Disadvantages

  • Sensitive to reverse polarity
  • Limited to low voltage applications

Working Principles

The SMA5J12-E3/61 operates based on the principle of avalanche breakdown, where it rapidly clamps the voltage across the circuit when a transient event occurs, diverting excess current away from the protected components.

Detailed Application Field Plans

The SMA5J12-E3/61 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to SMA5J12-E3/61 include: - P6KE12CA - 1.5KE12A - SMBJ12A

In conclusion, the SMA5J12-E3/61 is a crucial component in electronic circuit protection, providing effective transient voltage suppression and ensuring the reliability of electronic systems in various applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMA5J12-E3/61 en soluciones técnicas

  1. What is the maximum reverse voltage of SMA5J12-E3/61?

    • The maximum reverse voltage of SMA5J12-E3/61 is 12V.

  2. What is the peak pulse power dissipation of SMA5J12-E3/61?

    • The peak pulse power dissipation of SMA5J12-E3/61 is 500W.

  3. What is the forward voltage drop of SMA5J12-E3/61 at 5A?

    • The forward voltage drop of SMA5J12-E3/61 at 5A is typically 0.9V.

  4. What is the operating temperature range of SMA5J12-E3/61?

    • The operating temperature range of SMA5J12-E3/61 is -55°C to +150°C.

  5. What is the typical junction capacitance of SMA5J12-E3/61?

    • The typical junction capacitance of SMA5J12-E3/61 is 300pF.

  6. Is SMA5J12-E3/61 RoHS compliant?

    • Yes, SMA5J12-E3/61 is RoHS compliant.

  7. What is the package type of SMA5J12-E3/61?

    • SMA5J12-E3/61 comes in a DO-214AC (SMA) package.

  8. What are the typical applications for SMA5J12-E3/61?

    • SMA5J12-E3/61 is commonly used in surge protection for electronic equipment, power supplies, and telecommunications systems.

  9. Does SMA5J12-E3/61 have a low leakage current?

    • Yes, SMA5J12-E3/61 has a low leakage current, making it suitable for sensitive electronic devices.

  10. What are the key differences between SMA5J12-E3/61 and other similar diodes?

    • The main differences lie in the maximum reverse voltage, peak pulse power dissipation, and forward voltage drop characteristics, which should be carefully considered based on specific application requirements.