Taiwan Semiconductor Corporation
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1SMA5947 R3G
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1SMA5947 R3G

Product Overview

Category

The 1SMA5947 R3G belongs to the category of surface mount silicon zener diodes.

Use

It is commonly used for voltage regulation and transient suppression in electronic circuits.

Characteristics

  • Voltage: 15V
  • Power Dissipation: 1.5W
  • Zener Impedance: 40Ω
  • Package: DO-214AC (SMA)

Packaging/Quantity

The 1SMA5947 R3G is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Essence

This zener diode provides stable and reliable voltage regulation, making it suitable for various electronic applications.

Specifications

  • Zener Voltage: 15V
  • Tolerance: ±5%
  • Maximum Reverse Leakage Current: 5µA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA5947 R3G has two pins, anode, and cathode, which are denoted by the markings on the diode body.

Functional Features

  • Precise Voltage Regulation: Provides a stable 15V output under specified conditions.
  • Transient Suppression: Effectively suppresses voltage spikes and transients to protect sensitive components.

Advantages

  • High Power Dissipation: Capable of handling transient surges without damage.
  • Small Form Factor: The DO-214AC package allows for space-efficient circuit designs.

Disadvantages

  • Limited Voltage Range: The fixed 15V zener voltage may not be suitable for all applications.
  • Temperature Sensitivity: Performance may vary significantly with temperature changes.

Working Principles

The 1SMA5947 R3G operates based on the principle of the zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased.

Detailed Application Field Plans

This zener diode is widely used in: - Voltage Regulators - Overvoltage Protection Circuits - Signal Clipping and Limiting

Detailed and Complete Alternative Models

  • 1N4744A: 15V, 1W Zener Diode
  • BZX85C15: 15V, 1.3W Zener Diode
  • MMSZ5245B: 15V, 500mW Zener Diode

In conclusion, the 1SMA5947 R3G zener diode offers precise voltage regulation and transient suppression, making it a valuable component in various electronic circuits.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 1SMA5947 R3G בפתרונות טכניים

  1. What is 1SMA5947 R3G?

    • 1SMA5947 R3G is a surface mount, high-power, transient voltage suppressor diode designed to protect sensitive electronics from voltage transients.

  2. What is the maximum peak pulse power of 1SMA5947 R3G?

    • The maximum peak pulse power is 400 watts.

  3. What is the breakdown voltage of 1SMA5947 R3G?

    • The breakdown voltage is 64.4 volts.

  4. What are the typical applications for 1SMA5947 R3G?

    • Typical applications include protection of sensitive electronic equipment such as telecommunication systems, industrial controls, and automotive electronics.

  5. What is the operating temperature range of 1SMA5947 R3G?

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

  6. What is the reverse stand-off voltage of 1SMA5947 R3G?

    • The reverse stand-off voltage is 58 volts.

  7. What is the clamping voltage of 1SMA5947 R3G?

    • The clamping voltage at peak pulse current is typically 93.6 volts.

  8. What package type does 1SMA5947 R3G come in?

    • It comes in a DO-214AC (SMA) package.

  9. What are the key features of 1SMA5947 R3G?

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

  10. How should 1SMA5947 R3G be mounted on a PCB?

    • It should be mounted using appropriate techniques to minimize thermal resistance and ensure good electrical contact.