Vishay Semiconductor Diodes Division
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SMA5J12AHE3/5A
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SMA5J12AHE3/5A

Product Overview

Category

The SMA5J12AHE3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against transient voltage spikes.

Characteristics

  • Package: SMA (DO-214AC)
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Available in tape and reel packaging, with quantities varying based on supplier and order size.

Specifications

  • Peak Pulse Power: 5000W
  • Breakdown Voltage: 12V
  • Clamping Voltage: 19.9V
  • Maximum Reverse Standoff Voltage: 10.5V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMA5J12AHE3/5A has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Provides low clamping voltage under surge conditions
  • Fast response time to transient events
  • High surge capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Compact size
  • RoHS compliance

Disadvantages

  • Limited to specific voltage and power ratings
  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

When a transient voltage spike occurs, the TVS diode conducts and clamps the voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

The SMA5J12AHE3/5A is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMA6J12AHE3/5A
  • SMAJ12AHE3/5A
  • P6SMB12A

In conclusion, the SMA5J12AHE3/5A TVS diode offers effective surge protection in a compact package, making it suitable for various electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de SMA5J12AHE3/5A dans les solutions techniques

  1. What is the maximum voltage rating of SMA5J12AHE3/5A?

    • The maximum voltage rating of SMA5J12AHE3/5A is 12V.

  2. What is the maximum peak pulse current for SMA5J12AHE3/5A?

    • The maximum peak pulse current for SMA5J12AHE3/5A is 5A.

  3. What is the typical clamping voltage of SMA5J12AHE3/5A?

    • The typical clamping voltage of SMA5J12AHE3/5A is 19.9V at 10A.

  4. What are the typical applications for SMA5J12AHE3/5A?

    • SMA5J12AHE3/5A is commonly used in surge protection for telecommunications equipment, power supplies, and other electronic devices.

  5. What is the operating temperature range of SMA5J12AHE3/5A?

    • The operating temperature range of SMA5J12AHE3/5A is -55°C to +150°C.

  6. Is SMA5J12AHE3/5A RoHS compliant?

    • Yes, SMA5J12AHE3/5A is RoHS compliant.

  7. What is the package type of SMA5J12AHE3/5A?

    • SMA5J12AHE3/5A comes in a DO-214AC (SMA) package.

  8. Does SMA5J12AHE3/5A have low leakage current?

    • Yes, SMA5J12AHE3/5A has low leakage current, making it suitable for sensitive electronic applications.

  9. What is the response time of SMA5J12AHE3/5A?

    • The response time of SMA5J12AHE3/5A is very fast, providing rapid protection against transient overvoltages.

  10. Can SMA5J12AHE3/5A be used in automotive electronics?

    • Yes, SMA5J12AHE3/5A is suitable for use in automotive electronics for surge protection.