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1SMA12AT3
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1SMA12AT3

Product Overview

Category: Semiconductor
Use: Voltage suppressor diode
Characteristics: Low leakage current, fast response time
Package: DO-214AC (SMA)
Essence: Protects electronic circuits from voltage spikes
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 12V
  • Voltage - Breakdown (Min): 13.3V
  • Voltage - Clamping (Max) @ Ipp: 19.9V
  • Current - Peak Pulse (10/1000µs): 27.3A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The 1SMA12AT3 has two pins in a standard DO-214AC package. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

  • Fast response time to transient overvoltage events
  • Low clamping voltage
  • High surge capability

Advantages and Disadvantages

Advantages: - Provides effective protection against voltage surges - Fast response time helps prevent damage to sensitive components - Low leakage current minimizes power loss

Disadvantages: - Limited to specific voltage ratings - May require additional circuitry for comprehensive surge protection

Working Principles

The 1SMA12AT3 operates by shunting excess voltage away from sensitive components when a transient overvoltage event occurs. It achieves this by rapidly conducting current when the voltage exceeds its breakdown voltage, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 1SMA12AT3 is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1SMA12AT3 include: - P6SMB12AT3G - 1.5SMC12AT3G - SMBJ12AT3

In conclusion, the 1SMA12AT3 is a vital component in protecting electronic circuits from voltage spikes, offering fast response times and low leakage current. Its application spans across diverse industries, making it an essential part of modern electronic systems.

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10个与1SMA12AT3在技术解决方案中的应用相关的常见问题及解答

Sure, here are 10 common questions and answers related to the application of 1SMA12AT3 in technical solutions:

  1. What is the maximum reverse stand-off voltage of 1SMA12AT3?

    • The maximum reverse stand-off voltage of 1SMA12AT3 is 12V.

  2. What is the peak pulse power dissipation of 1SMA12AT3?

    • The peak pulse power dissipation of 1SMA12AT3 is 400W.

  3. What is the typical junction capacitance of 1SMA12AT3?

    • The typical junction capacitance of 1SMA12AT3 is 150pF.

  4. What is the forward voltage drop of 1SMA12AT3 at a specified current?

    • The forward voltage drop of 1SMA12AT3 at a specified current is typically 0.9V.

  5. What are the typical applications of 1SMA12AT3?

    • 1SMA12AT3 is commonly used in surge protection, voltage clamping, and transient voltage suppression applications.

  6. What is the operating temperature range of 1SMA12AT3?

    • The operating temperature range of 1SMA12AT3 is -55°C to +150°C.

  7. What is the package type of 1SMA12AT3?

    • 1SMA12AT3 is available in a DO-214AC (SMA) package.

  8. What is the reverse leakage current of 1SMA12AT3 at its maximum reverse stand-off voltage?

    • The reverse leakage current of 1SMA12AT3 at its maximum reverse stand-off voltage is typically 1µA.

  9. Can 1SMA12AT3 be used for ESD protection?

    • Yes, 1SMA12AT3 can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  10. Is 1SMA12AT3 RoHS compliant?

    • Yes, 1SMA12AT3 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.