Taiwan Semiconductor Corporation
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1SMA4755HR3G
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1SMA4755HR3G

Product Overview

Category

The 1SMA4755HR3G belongs to the category of semiconductor devices, specifically a type of diode.

Use

This product is commonly used for voltage regulation and transient voltage suppression in various electronic circuits.

Characteristics

  • Low forward voltage drop
  • High surge capability
  • Fast response time
  • Compact package size

Package

The 1SMA4755HR3G is typically available in a surface mount DO-214AC (SMA) package.

Essence

The essence of this product lies in its ability to protect sensitive electronic components from voltage spikes and surges.

Packaging/Quantity

It is usually supplied in reels or tubes with varying quantities depending on the manufacturer's specifications.

Specifications

  • Peak Pulse Power: 500 W
  • Breakdown Voltage Range: 51.7 V to 57.3 V
  • Maximum Reverse Leakage Current: 1 µA at 25°C
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1SMA4755HR3G typically has two pins, with the anode and cathode connections clearly marked on the package.

Functional Features

  • Transient voltage suppression
  • Overvoltage protection
  • Reverse polarity protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited power dissipation capability
  • May require additional heat sinking for high-power applications

Working Principles

The 1SMA4755HR3G operates based on the principle of avalanche breakdown, where it rapidly clamps excessive voltage levels to protect downstream components.

Detailed Application Field Plans

This product finds extensive use in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - 1SMA4748HR3G - 1SMA4760HR3G - 1SMA4782HR3G

In conclusion, the 1SMA4755HR3G diode offers effective transient voltage suppression and overvoltage protection in a compact package, making it a valuable component in various electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1SMA4755HR3G en soluciones técnicas

  1. What is 1SMA4755HR3G?

    • 1SMA4755HR3G is a high-reliability, surface mount, silicon 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 peak pulse power of 1SMA4755HR3G?

    • The maximum peak pulse power of 1SMA4755HR3G is 500 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of 1SMA4755HR3G?

    • The breakdown voltage of 1SMA4755HR3G is 58.9V.

  4. What are the typical applications of 1SMA4755HR3G?

    • Typical applications of 1SMA4755HR3G include protecting telecommunications equipment, industrial control systems, and automotive electronics from voltage surges.

  5. What is the operating temperature range of 1SMA4755HR3G?

    • The operating temperature range of 1SMA4755HR3G is -55°C to +150°C.

  6. What is the package type of 1SMA4755HR3G?

    • 1SMA4755HR3G is available in a DO-214AC (SMA) package.

  7. What is the clamping voltage of 1SMA4755HR3G?

    • The clamping voltage of 1SMA4755HR3G is 93.6V at 10A.

  8. Does 1SMA4755HR3G meet industry standards for surge protection?

    • Yes, 1SMA4755HR3G meets industry standards such as IEC 61000-4-5 for surge protection.

  9. Can 1SMA4755HR3G be used in automotive applications?

    • Yes, 1SMA4755HR3G is suitable for use in automotive electronics to protect against transient voltage events.

  10. Is 1SMA4755HR3G RoHS compliant?

    • Yes, 1SMA4755HR3G is RoHS compliant, making it suitable for use in environmentally sensitive applications.