Taiwan Semiconductor Corporation
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1SMA4762 R3G
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1SMA4762 R3G

Product Overview

Category

The 1SMA4762 R3G 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 Regulation: Provides stable voltage output under varying load conditions.
  • Transient Suppression: Protects sensitive components from voltage spikes.
  • High Power Dissipation: Capable of handling high power levels.
  • Low Leakage Current: Minimizes power loss in standby mode.

Package

The 1SMA4762 R3G is typically available in a surface mount SMA package.

Essence

The essence of this product lies in its ability to maintain a constant voltage across a wide range of operating conditions, while also offering protection against voltage transients.

Packaging/Quantity

It is commonly supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 12V
  • Power Dissipation: 1.5W
  • Zener Impedance: 10Ω
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1SMA4762 R3G typically features two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across the diode terminals.
  • Transient Suppression: Quickly clamps voltage spikes to protect downstream components.
  • High Power Dissipation: Capable of handling transient overvoltage events without damage.
  • Low Leakage Current: Minimizes power consumption during standby operation.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Effective transient suppression
  • High power dissipation capability
  • Low leakage current

Disadvantages

  • Limited voltage range compared to other Zener diodes
  • Sensitive to excessive temperature variations

Working Principles

The 1SMA4762 R3G 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. When subjected to voltage transients, it rapidly conducts to limit the voltage across its terminals, protecting connected components.

Detailed Application Field Plans

The 1SMA4762 R3G finds extensive use in various electronic systems, including: - Voltage regulators in power supplies - Overvoltage protection in communication equipment - Surge protection in automotive electronics - Voltage reference in instrumentation circuits

Detailed and Complete Alternative Models

  • 1N4742A: Similar voltage rating and power dissipation
  • BZX85C12: Comparable characteristics and package type
  • P6KE12CA: Offers transient suppression with similar voltage ratings

In conclusion, the 1SMA4762 R3G Zener diode offers reliable voltage regulation and transient suppression capabilities, making it a valuable component in diverse electronic applications.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του 1SMA4762 R3G σε τεχνικές λύσεις

  1. What is the maximum forward current for 1SMA4762 R3G?

    • The maximum forward current for 1SMA4762 R3G is 1000 mA.

  2. What is the reverse standoff voltage of 1SMA4762 R3G?

    • The reverse standoff voltage of 1SMA4762 R3G is 62 V.

  3. What is the peak pulse power dissipation of 1SMA4762 R3G?

    • The peak pulse power dissipation of 1SMA4762 R3G is 400 W.

  4. What is the operating temperature range for 1SMA4762 R3G?

    • The operating temperature range for 1SMA4762 R3G is -55°C to +150°C.

  5. What are the typical applications for 1SMA4762 R3G?

    • Typical applications for 1SMA4762 R3G include overvoltage and surge protection in various electronic circuits and systems.

  6. What is the package type of 1SMA4762 R3G?

    • 1SMA4762 R3G comes in a DO-214AC (SMA) package.

  7. Is 1SMA4762 R3G RoHS compliant?

    • Yes, 1SMA4762 R3G is RoHS compliant.

  8. What is the clamping voltage of 1SMA4762 R3G?

    • The clamping voltage of 1SMA4762 R3G is 103 V at 10 A.

  9. Can 1SMA4762 R3G be used for transient voltage suppression?

    • Yes, 1SMA4762 R3G is suitable for transient voltage suppression applications.

  10. What are the key differences between 1SMA4762 R3G and similar diodes?

    • The key differences may include parameters such as reverse standoff voltage, forward current, and clamping voltage, which should be carefully compared based on specific application requirements.