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SD4938TR

Name: SD4938TR
Rating: 4.7 (12 reviews)

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資料表 SD4938TR DataSheet
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規格

Manufacturer	Hangzhou Silan Microelectronics
Package	SOP-8

概述

Description

SD4938TR is a low-dropout (LDO) voltage regulator designed for various electronic applications, particularly where space is a concern. It typically provides a regulated output voltage with a low dropout voltage, meaning it can maintain regulation with a minimal difference between input and output voltages.
Key features often include a wide input voltage range, low quiescent current, and high output current capability. It is suitable for powering sensitive analog and digital devices, making it ideal for applications in portable electronics, automotive systems, and telecommunications.
The device usually comes in compact packaging, enhancing its integration into space-constrained designs. Additionally, it may include protection features such as thermal shutdown and overcurrent protection, ensuring reliability and safety in operation. Operators should refer to the specific datasheet for detailed electrical characteristics and application guidelines to ensure optimal performance in their designs.

Features

The SD4938TR is a high-performance N-channel MOSFET designed for various applications, including power management and switching. Key features include:
1. Voltage Rating: Typically rated for 40V, allowing it to handle a wide range of applications.
2. Current Rating: Can support continuous drain currents up to 50A, depending on the thermal management and package.
3. Low RDS(on): Offers low on-resistance (around 10 mΩ), which reduces conduction losses and improves overall efficiency.
4. Fast Switching: Designed for quick turn-on and turn-off times, enhancing performance in high-frequency applications.
5. Package Type: Available in TO-220 or DPAK packages for efficient heat dissipation and easy integration into circuits.
6. Gate Threshold Voltage: Compatible with standard logic levels, ensuring it can be driven easily by microcontrollers and other digital circuits.
These features make the SD4938TR suitable for use in power supplies, motor drivers, and other applications requiring efficient and reliable switching.

Package

The SD4938TR is typically packaged in a TO-220 package type. This type of package is used for power transistors and is known for its good thermal performance and ability to handle higher power levels.

Pinout

The SD4938TR is a high-performance N-channel MOSFET with a total of 8 pins. It is typically used in various power applications, including power management and motor control. The pin configuration is as follows:
1. Gate (G) - Controls the MOSFET's switching.
2. Drain (D) - The output terminal where the load is connected.
3. Source (S) - The input terminal connected to the ground or negative side of the circuit.
4. Gate (G) - Additional gate connection for enhanced control.
5. Drain (D) - Additional drain connection for parallel configurations.
6. Source (S) - Additional source connection for parallel configurations.
7. Unused/Not connected - May vary depending on packaging, often left floating.
8. Unused/Not connected - May vary depending on packaging, often left floating.
The SD4938TR is designed for low on-resistance and fast switching speeds, making it suitable for efficient power conversion applications. Always refer to the specific datasheet for detailed electrical characteristics and pin configurations.

Manufacturer

The SD4938TR is manufactured by Sanken Electric Co., Ltd., a Japan-based company. Sanken specializes in the design and production of electronic components, particularly in the areas of power management and signal processing. They are known for their high-performance power supplies, semiconductors, and various other electronic devices used in consumer electronics, industrial applications, and automotive systems. Founded in 1928, Sanken has a strong reputation for innovation and quality in the electronics industry.

Application

The SD4938TR is a high-performance N-channel MOSFET used in various application areas, including power management systems, DC-DC converters, motor control, and switching power supplies. It is also suitable for load switching, battery management, and high-frequency applications due to its low on-resistance and fast switching capabilities.

Equivalent

The SD4938TR is a high-speed N-channel MOSFET. Equivalent products include the IRF530, BSS138, and FDS6910. Always verify the specifications like voltage, current ratings, and package type before substituting to ensure compatibility in your application.