Taiwan Semiconductor Corporation
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1SMA5947HM2G
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1SMA5947HM2G - Product Overview

Introduction

The 1SMA5947HM2G is a high-performance, surface-mount, Zener diode designed for voltage regulation and transient protection in a wide range of applications. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and transient protection
  • Characteristics: High performance, surface-mount design
  • Package: SMA (DO-214AC)
  • Essence: Regulating voltage and protecting against transients
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Voltage - Zener (Nom) (Vz): 15V
  • Power - Max: 1.5W
  • Impedance (Max) (Zzt): 10 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 12V
  • Operating Temperature: -65°C to 150°C

Detailed Pin Configuration

The 1SMA5947HM2G has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Voltage Regulation: Provides stable voltage output under varying load conditions.
  • Transient Protection: Safeguards sensitive components from voltage spikes and surges.
  • High Performance: Offers reliable and consistent performance in demanding environments.

Advantages and Disadvantages

Advantages

  • High power dissipation capability
  • Compact surface-mount package
  • Wide operating temperature range

Disadvantages

  • Sensitive to excessive current and voltage levels
  • Requires careful handling during assembly and soldering

Working Principles

The 1SMA5947HM2G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

The 1SMA5947HM2G finds extensive use in various applications, including: - Power supplies - Automotive electronics - Industrial control systems - Telecommunications equipment - Consumer electronics

Detailed and Complete Alternative Models

  • 1N4744A: 15V, 1W Zener Diode
  • BZX85C15: 15V, 1.3W Zener Diode
  • P6KE15CA: 15V, 600W Transient Voltage Suppressor

In conclusion, the 1SMA5947HM2G Zener diode offers reliable voltage regulation and transient protection in a compact surface-mount package, making it suitable for a wide range of applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1SMA5947HM2G v technických řešeních

  1. What is the maximum forward voltage of 1SMA5947HM2G?

    • The maximum forward voltage of 1SMA5947HM2G is 3.5V at 1A.

  2. What is the reverse standoff voltage of 1SMA5947HM2G?

    • The reverse standoff voltage of 1SMA5947HM2G is 40V.

  3. What is the peak pulse power dissipation of 1SMA5947HM2G?

    • The peak pulse power dissipation of 1SMA5947HM2G is 400W.

  4. What is the typical junction capacitance of 1SMA5947HM2G?

    • The typical junction capacitance of 1SMA5947HM2G is 150pF.

  5. What are the applications of 1SMA5947HM2G?

    • 1SMA5947HM2G is commonly used in surge protection, voltage clamping, and transient voltage suppression applications.

  6. What is the operating temperature range of 1SMA5947HM2G?

    • The operating temperature range of 1SMA5947HM2G is -55°C to +150°C.

  7. What is the package type of 1SMA5947HM2G?

    • 1SMA5947HM2G is available in a DO-214AC (SMA) package.

  8. What is the reverse leakage current of 1SMA5947HM2G at its maximum working voltage?

    • The reverse leakage current of 1SMA5947HM2G at its maximum working voltage is typically less than 1µA.

  9. Is 1SMA5947HM2G RoHS compliant?

    • Yes, 1SMA5947HM2G is RoHS compliant.

  10. What are the key features of 1SMA5947HM2G?

    • The key features of 1SMA5947HM2G include low profile package, excellent clamping capability, and fast response time.