Taiwan Semiconductor Corporation
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1SMA4754HR3G
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1SMA4754HR3G

Product Overview

Category:

The 1SMA4754HR3G belongs to the category of semiconductor devices, specifically a Zener diode.

Use:

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

Characteristics:

  • Voltage: 15V
  • Power Dissipation: 1.5W
  • Package: SMA
  • Reverse Standoff Voltage: 12.8V
  • Forward Voltage: 1.5V
  • Leakage Current: 1µA
  • Operating Temperature Range: -65°C to +150°C

Packaging/Quantity:

The 1SMA4754HR3G is typically available in tape and reel packaging with quantities varying based on supplier and customer requirements.

Specifications

  • Zener Voltage: 14.25V to 15.75V
  • Maximum Reverse Leakage Current: 1µA
  • Maximum Reverse Voltage: 12.8V
  • Maximum Forward Voltage: 1.5V
  • Maximum Power Dissipation: 1.5W
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4754HR3G has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols respectively.

Functional Features

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

Advantages

  • Reliable voltage regulation
  • Robust transient suppression
  • Wide operating temperature range

Disadvantages

  • Limited voltage range
  • Sensitive to reverse voltage polarity

Working Principles

The 1SMA4754HR3G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased within its specified voltage range.

Detailed Application Field Plans

The 1SMA4754HR3G finds applications in various electronic circuits including: - Voltage regulators - Surge suppressors - Overvoltage protection circuits - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4754HR3G include: - 1N4744A - BZX55C15 - MMSZ5245B

In conclusion, the 1SMA4754HR3G Zener diode offers precise voltage regulation and transient suppression capabilities, making it a crucial component in many electronic circuits.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1SMA4754HR3G dalam solusi teknis

  1. What is 1SMA4754HR3G and what is its application in technical solutions?

    • 1SMA4754HR3G is a high-reliability, surface mount, 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 1SMA4754HR3G?

    • The maximum peak pulse power is 500 watts for a 10/1000μs waveform.

  3. What is the breakdown voltage of 1SMA4754HR3G?

    • The breakdown voltage is 58.9V.

  4. What are the typical applications of 1SMA4754HR3G in technical solutions?

    • It is commonly used in telecommunications equipment, computers, industrial and consumer electronics, and automotive systems to protect against voltage surges and spikes.

  5. What is the operating temperature range of 1SMA4754HR3G?

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

  6. What is the reverse stand-off voltage of 1SMA4754HR3G?

    • The reverse stand-off voltage is 43.6V.

  7. What is the clamping voltage of 1SMA4754HR3G?

    • The clamping voltage is 77.4V at 10A.

  8. Is 1SMA4754HR3G RoHS compliant?

    • Yes, it is RoHS compliant.

  9. What is the package type of 1SMA4754HR3G?

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

  10. What are the key features of 1SMA4754HR3G that make it suitable for technical solutions?

    • Its low clamping voltage, fast response time, and high surge capability make it ideal for protecting sensitive electronic components from transient voltage events.