Taiwan Semiconductor Corporation
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1SMA5938 R3G
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1SMA5938 R3G

Product Overview

The 1SMA5938 R3G belongs to the category of semiconductor devices and is specifically classified as a Zener diode. It is commonly used for voltage regulation and transient suppression in electronic circuits. The characteristics of this product include its high power dissipation capability, low leakage current, and precise voltage regulation. The package type for the 1SMA5938 R3G is SMA, and it is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Voltage Range: 6.2V to 200V
  • Power Dissipation: 1.5W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1SMA5938 R3G has two pins, anode (A) and cathode (K), which are essential for its proper installation and functioning in a circuit.

Functional Features

  • Voltage Regulation: The 1SMA5938 R3G provides stable voltage output under varying load conditions.
  • Transient Suppression: It effectively suppresses voltage transients and protects sensitive components in the circuit.

Advantages and Disadvantages

Advantages

  • High power dissipation capability
  • Low leakage current
  • Precise voltage regulation

Disadvantages

  • Limited voltage range compared to some other Zener diodes
  • Sensitive to temperature variations

Working Principles

The 1SMA5938 R3G operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when it is operated in the reverse breakdown region.

Detailed Application Field Plans

The 1SMA5938 R3G finds extensive application in various electronic circuits such as voltage regulators, overvoltage protection circuits, and surge suppressors. It is particularly useful in automotive electronics, industrial equipment, and power supply units.

Detailed and Complete Alternative Models

Some alternative models to the 1SMA5938 R3G include: - 1N4728A - BZX55C6V2 - MMSZ5245B

In conclusion, the 1SMA5938 R3G Zener diode offers reliable voltage regulation and transient suppression capabilities, making it a valuable component in a wide range of electronic applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1SMA5938 R3G dalam solusi teknis

  1. What is 1SMA5938 R3G?

    • 1SMA5938 R3G is a surface mount, high-power 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 1SMA5938 R3G?

    • The maximum peak pulse power of 1SMA5938 R3G is 400 watts.

  3. What is the breakdown voltage of 1SMA5938 R3G?

    • The breakdown voltage of 1SMA5938 R3G is 64.4V.

  4. What are the typical applications of 1SMA5938 R3G?

    • Typical applications of 1SMA5938 R3G include protection of telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics from voltage transients.

  5. What is the operating temperature range of 1SMA5938 R3G?

    • The operating temperature range of 1SMA5938 R3G is -55°C to +150°C.

  6. What is the reverse stand-off voltage of 1SMA5938 R3G?

    • The reverse stand-off voltage of 1SMA5938 R3G is 58.1V.

  7. Is 1SMA5938 R3G RoHS compliant?

    • Yes, 1SMA5938 R3G is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of 1SMA5938 R3G?

    • 1SMA5938 R3G is available in a DO-214AC (SMA) package.

  9. What are the key features of 1SMA5938 R3G?

    • Key features of 1SMA5938 R3G include low clamping voltage, fast response time, and high surge capability.

  10. Can 1SMA5938 R3G be used for overvoltage protection in power supply circuits?

    • Yes, 1SMA5938 R3G can be used for overvoltage protection in power supply circuits to safeguard sensitive components from voltage spikes and surges.