1SMA4748TR

Product Overview

The 1SMA4748TR belongs to the category of semiconductor devices and is commonly used for voltage clamping applications. This product is characterized by its ability to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. The 1SMA4748TR is typically packaged in a small, surface-mount package, making it suitable for compact electronic designs. It is available in tape and reel packaging with a specified quantity per reel.

Specifications

• Part Number: 1SMA4748TR
• Category: Semiconductor Devices
• Use: Voltage Clamping
• Characteristics: Protection from Voltage Transients
• Package: Surface-Mount
• Packaging/Quantity: Tape and Reel, Specified Quantity per Reel

Detailed Pin Configuration

The 1SMA4748TR features a standard surface-mount package with two pins. Pin 1 is typically designated as the anode, while pin 2 serves as the cathode.

Functional Features

The primary function of the 1SMA4748TR is to limit the voltage across sensitive electronic components by diverting excessive current away from the protected circuitry during transient voltage events. This ensures that the voltage does not exceed a safe threshold, thereby safeguarding the connected devices.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact surface-mount package
• Suitable for high-frequency applications

Disadvantages

• Limited power dissipation capability
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The 1SMA4748TR operates based on the principle of avalanche breakdown. When the voltage across the device exceeds its rated value, it enters a state of avalanche breakdown, allowing it to conduct excess current and limit the voltage across the protected circuit.

Detailed Application Field Plans

The 1SMA4748TR finds extensive use in various electronic systems requiring protection from voltage transients. Common application fields include: - Power Supplies - Communication Equipment - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

For users seeking alternative models with similar functionality, the following options are available: - 1SMA4747TR - 1SMA4749TR - 1SMA4750TR - 1SMA4751TR

In conclusion, the 1SMA4748TR is a vital component in electronic systems, providing essential protection from voltage transients and ensuring the reliable operation of sensitive electronic devices.

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