Taiwan Semiconductor Corporation
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1SMA4752HR3G
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1SMA4752HR3G

Product Overview

Category

The 1SMA4752HR3G belongs to the category of semiconductor devices, specifically a Zener diode.

Use

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

Characteristics

  • Voltage Regulation: Provides stable voltage output under varying load conditions.
  • Transient Voltage Suppression: Protects sensitive components from voltage spikes.
  • High Power Dissipation: Capable of handling high power dissipation.

Package

The 1SMA4752HR3G is typically available in a SMA package, which is a surface mount package with two leads.

Essence

The essence of this product lies in its ability to regulate voltage and protect electronic circuits from voltage surges.

Packaging/Quantity

It is usually packaged in reels or tubes and is available in quantities suitable for production runs.

Specifications

  • Voltage: 30V
  • Power Dissipation: 1.5W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4752HR3G has two pins, with one serving as the anode and the other as the cathode.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across the terminals.
  • Transient Voltage Suppression: Diverts excess voltage away from the circuit.
  • Fast Response Time: Reacts quickly to voltage fluctuations.

Advantages

  • Stable Voltage Output: Ensures consistent performance of connected circuits.
  • Transient Protection: Safeguards sensitive components from voltage spikes.
  • Compact Size: Suitable for space-constrained applications.

Disadvantages

  • Limited Voltage Range: Not suitable for applications requiring higher voltage regulation.
  • Heat Dissipation: May require additional heat sinking in high-power applications.

Working Principles

The 1SMA4752HR3G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Automotive electronics

Detailed and Complete Alternative Models

  • 1N4748A: Similar voltage rating and power dissipation.
  • BZX55C30: Comparable characteristics and package type.
  • P6KE30CA: Offers transient voltage suppression with similar specifications.

In conclusion, the 1SMA4752HR3G Zener diode serves as a crucial component in various electronic applications, providing voltage regulation and transient voltage suppression capabilities. Its compact size and functional features make it a preferred choice for many circuit designs.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng 1SMA4752HR3G sa mga teknikal na solusyon

  1. What is 1SMA4752HR3G?

    • 1SMA4752HR3G is a high-reliability, surface mount silicon transient voltage suppressor (TVS) 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 1SMA4752HR3G?

    • The maximum peak pulse power of 1SMA4752HR3G is 500 watts.

  3. What is the breakdown voltage of 1SMA4752HR3G?

    • The breakdown voltage of 1SMA4752HR3G is 52 volts.

  4. What are the typical applications of 1SMA4752HR3G?

    • Typical applications of 1SMA4752HR3G include protection of telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics from voltage transients.

  5. What is the operating temperature range of 1SMA4752HR3G?

    • The operating temperature range of 1SMA4752HR3G is -55°C to +150°C.

  6. What is the package type of 1SMA4752HR3G?

    • 1SMA4752HR3G is available in a DO-214AC (SMA) package.

  7. What are the key features of 1SMA4752HR3G?

    • Key features of 1SMA4752HR3G include low clamping voltage, fast response time, and high surge capability.

  8. What standards does 1SMA4752HR3G comply with?

    • 1SMA4752HR3G complies with AEC-Q101 automotive qualification and is RoHS compliant.

  9. What is the reverse standoff voltage of 1SMA4752HR3G?

    • The reverse standoff voltage of 1SMA4752HR3G is 43.6 volts.

  10. How should 1SMA4752HR3G be mounted on a PCB?

    • 1SMA4752HR3G should be mounted using appropriate soldering techniques and thermal management to ensure reliable performance in the intended application.