Taiwan Semiconductor Corporation
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1SMA4737HR3G
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1SMA4737HR3G

Product Overview

Category

The 1SMA4737HR3G belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 8.2V
  • Power dissipation: 1.5W
  • Package type: DO-214AC (SMA)
  • RoHS compliant

Package

The 1SMA4737HR3G is available in a DO-214AC package, which is also known as SMA package.

Essence

This Zener diode serves as a crucial component in maintaining stable voltage levels within electronic circuits.

Packaging/Quantity

The 1SMA4737HR3G is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 8.2V
  • Power dissipation: 1.5W
  • Forward voltage: 1.2V
  • Reverse current: 5μA
  • Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4737HR3G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Low reverse leakage current

Advantages

  • High reliability
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1SMA4737HR3G operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4737HR3G include: - 1N4737A - BZX55C8V2 - MMSZ5232B

In conclusion, the 1SMA4737HR3G Zener diode is a vital component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide operating temperature range make it suitable for various applications in the electronics industry.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng 1SMA4737HR3G sa mga teknikal na solusyon

  1. What is 1SMA4737HR3G?

    • 1SMA4737HR3G is a surface mount, high-reliability, 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 1SMA4737HR3G?

    • The maximum peak pulse power of 1SMA4737HR3G is 500 watts.

  3. What is the breakdown voltage of 1SMA4737HR3G?

    • The breakdown voltage of 1SMA4737HR3G is 43.6 volts.

  4. What are the typical applications for 1SMA4737HR3G?

    • Typical applications for 1SMA4737HR3G include protection of sensitive electronic equipment such as telecommunication systems, industrial controls, and automotive electronics.

  5. What is the operating temperature range of 1SMA4737HR3G?

    • The operating temperature range of 1SMA4737HR3G is -55°C to +150°C.

  6. What is the package type of 1SMA4737HR3G?

    • 1SMA4737HR3G comes in a DO-214AC (SMA) package.

  7. What is the clamping voltage of 1SMA4737HR3G?

    • The clamping voltage of 1SMA4737HR3G is 77.4 volts at 10A.

  8. Is 1SMA4737HR3G RoHS compliant?

    • Yes, 1SMA4737HR3G is RoHS compliant.

  9. What are the key features of 1SMA4737HR3G?

    • Key features of 1SMA4737HR3G include low clamping voltage, fast response time, and high surge capability.

  10. Can 1SMA4737HR3G be used in automotive applications?

    • Yes, 1SMA4737HR3G is suitable for use in automotive electronics due to its high reliability and robust design.