Taiwan Semiconductor Corporation
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1SMA5945HR3G
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1SMA5945HR3G

Product Overview

Category

The 1SMA5945HR3G belongs to the category of semiconductor devices.

Use

It is primarily used for voltage clamping and transient suppression in electronic circuits.

Characteristics

  • High surge capability
  • Low clamping voltage
  • Fast response time

Package

The 1SMA5945HR3G is available in a DO-214AC (SMA) package.

Essence

This product serves as a protective component in electronic circuits, safeguarding against voltage spikes and transients.

Packaging/Quantity

The 1SMA5945HR3G is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 51V
  • Clamping Voltage: 82.4V
  • Maximum Leakage Current: 1μA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1SMA5945HR3G has two pins, with pin 1 being the anode and pin 2 being the cathode.

Functional Features

  • Transient voltage suppression
  • Surge protection
  • Fast response to voltage spikes

Advantages and Disadvantages

Advantages

  • High surge capability
  • Low clamping voltage
  • Fast response time

Disadvantages

  • Limited breakdown voltage compared to some alternative models

Working Principles

The 1SMA5945HR3G operates by diverting excessive voltage away from sensitive components in a circuit, thereby protecting them from damage due to transient events.

Detailed Application Field Plans

The 1SMA5945HR3G is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1SMA5945HR3G include: - 1SMA5936BT3G - 1SMA5950BT3G - 1SMA5913BT3G

In conclusion, the 1SMA5945HR3G is a semiconductor device designed for voltage clamping and transient suppression in various electronic applications, offering high surge capability, low clamping voltage, and fast response time. Its primary function is to protect sensitive components from voltage spikes and transients, making it a crucial component in many electronic circuits.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 1SMA5945HR3G i tekniske løsninger

  1. What is 1SMA5945HR3G?

    • 1SMA5945HR3G is a high-reliability, low-voltage, transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum working voltage of 1SMA5945HR3G?

    • The maximum working voltage of 1SMA5945HR3G is 36.8V.

  3. What is the peak pulse power of 1SMA5945HR3G?

    • The peak pulse power of 1SMA5945HR3G is 400W.

  4. What are the typical applications of 1SMA5945HR3G?

    • Typical applications of 1SMA5945HR3G include protection of portable electronics, automotive electronics, industrial equipment, and telecommunications equipment from voltage transients.

  5. What is the operating temperature range of 1SMA5945HR3G?

    • The operating temperature range of 1SMA5945HR3G is -55°C to +150°C.

  6. What is the package type of 1SMA5945HR3G?

    • 1SMA5945HR3G comes in a DO-214AC (SMA) package.

  7. What are the key features of 1SMA5945HR3G?

    • Key features of 1SMA5945HR3G include low clamping voltage, fast response time, and high surge capability.

  8. How does 1SMA5945HR3G provide protection against voltage transients?

    • 1SMA5945HR3G suppresses voltage transients by diverting excess current away from sensitive components, thereby protecting them from damage.

  9. Can 1SMA5945HR3G be used in automotive applications?

    • Yes, 1SMA5945HR3G is suitable for use in automotive electronics to protect against voltage transients.

  10. Is 1SMA5945HR3G compliant with industry standards?

    • Yes, 1SMA5945HR3G is compliant with industry standards such as AEC-Q101 for automotive applications and is also RoHS compliant.