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規格
| 屬性 | 價值 |
| Mounting Type | SMD/SMT |
| Package / Case | TO-243-3 |
| Brand | ROHM Semiconductor |
| Product Type | BJTs - Bipolar Transistors |
| Subcategory | Transistors |
| Technology | Si |
| Transistor Polarity | PNP |
| Configuration | Single |
| Collector - Emitter Voltage VCEO Max | 50 V |
| Pd - Power Dissipation | 500 mW |
| Continuous Collector Current | 3 A |
| Part # Aliases | 2SA1797T100 |
概述
Description
The 2SA1797 is a high-performance NPN transistor, commonly used in audio amplifiers and other high-frequency applications. It features low noise and high gain, making it ideal for signal amplification in various electronic circuits. The transistor typically supports a maximum collector current of around 1.5A and a maximum collector-emitter voltage of 50V. Its low saturation voltage ensures efficient operation, while its frequency response allows for effective signal processing.
The 2SA1797 is often appreciated for its thermal stability and reliability in diverse applications, including consumer electronics, professional audio equipment, and RF amplifiers. Its encapsulation is usually a TO-220 or similar package, allowing for easy integration into circuit designs. Proper biasing and thermal management are essential for optimal performance, ensuring that the device operates within its specified limits. Overall, the 2SA1797 is a versatile component favored by engineers and hobbyists alike for its quality and effectiveness in amplification tasks.
The 2SA1797 is often appreciated for its thermal stability and reliability in diverse applications, including consumer electronics, professional audio equipment, and RF amplifiers. Its encapsulation is usually a TO-220 or similar package, allowing for easy integration into circuit designs. Proper biasing and thermal management are essential for optimal performance, ensuring that the device operates within its specified limits. Overall, the 2SA1797 is a versatile component favored by engineers and hobbyists alike for its quality and effectiveness in amplification tasks.
Equivalent
The 2SA1797 is a NPN transistor commonly used in audio amplification and switching applications. Equivalent products include the 2N5401, BC547, and MPSU06. It's essential to verify specifications such as voltage, current ratings, and gain characteristics before substituting, as slight variations may exist. Always consult the datasheets to ensure compatibility with your specific application.
Features
The 2SA1797 is a high-gain NPN transistor commonly used in audio amplification and switching applications. Key features include:
1. High Voltage Rating: It can handle a collector-emitter voltage (Vce) of up to 60V.
2. High Current Gain: The typical current gain (hFE) ranges from 100 to 600 at a collector current (Ic) of 10mA, making it suitable for high-gain applications.
3. Low Collector-Emitter Saturation Voltage: Vce(sat) is low, typically around 0.1V, enhancing efficiency in switching applications.
4. Wide Frequency Response: Suitable for RF applications with a transition frequency (fT) of around 150MHz.
5. Package Type: Usually available in TO-220 or TO-92 packages, offering flexibility in design.
6. Temperature Range: Operates effectively within a standard temperature range, typically -55°C to +150°C.
These features make the 2SA1797 a versatile choice for designers in audio and signal processing applications.
1. High Voltage Rating: It can handle a collector-emitter voltage (Vce) of up to 60V.
2. High Current Gain: The typical current gain (hFE) ranges from 100 to 600 at a collector current (Ic) of 10mA, making it suitable for high-gain applications.
3. Low Collector-Emitter Saturation Voltage: Vce(sat) is low, typically around 0.1V, enhancing efficiency in switching applications.
4. Wide Frequency Response: Suitable for RF applications with a transition frequency (fT) of around 150MHz.
5. Package Type: Usually available in TO-220 or TO-92 packages, offering flexibility in design.
6. Temperature Range: Operates effectively within a standard temperature range, typically -55°C to +150°C.
These features make the 2SA1797 a versatile choice for designers in audio and signal processing applications.
Pinout
The 2SA1797 is a high-voltage NPN transistor commonly used in amplification and switching applications. It typically comes in a TO-220 package, which has three pins.
### Pin Configuration:
1. Emitter (E) - This is the terminal through which the output current flows out of the transistor.
2. Base (B) - This terminal controls the transistor's operation. A small current applied here can control a larger current flowing from the collector to the emitter.
3. Collector (C) - This is where the main input current enters the transistor from the power supply.
### Functions:
- Amplification: It can amplify weak signals in audio and radio frequency applications.
- Switching: It can be used as a switch to control larger currents in power electronics.
This transistor is known for its high voltage and power ratings, making it suitable for various electronic circuits.
### Pin Configuration:
1. Emitter (E) - This is the terminal through which the output current flows out of the transistor.
2. Base (B) - This terminal controls the transistor's operation. A small current applied here can control a larger current flowing from the collector to the emitter.
3. Collector (C) - This is where the main input current enters the transistor from the power supply.
### Functions:
- Amplification: It can amplify weak signals in audio and radio frequency applications.
- Switching: It can be used as a switch to control larger currents in power electronics.
This transistor is known for its high voltage and power ratings, making it suitable for various electronic circuits.
Manufacturer
The 2SA1797 is a bipolar junction transistor (BJT) manufactured by the Japanese company ON Semiconductor, which was formerly known as Fairchild Semiconductor before its acquisition. ON Semiconductor specializes in semiconductor solutions, including analog, digital, and power management devices. The company serves various sectors such as automotive, industrial, and consumer electronics.
The 2SA1797 is primarily used for audio amplification and signal switching applications. As a manufacturer, ON Semiconductor focuses on providing innovative technologies that enhance energy efficiency and performance in electronic devices. The company is known for its commitment to sustainability and has initiatives in place to reduce environmental impact through energy-efficient products.
Founded in 1999, ON Semiconductor has grown through a series of acquisitions and continues to expand its product portfolio to meet the evolving needs of the semiconductor market.
The 2SA1797 is primarily used for audio amplification and signal switching applications. As a manufacturer, ON Semiconductor focuses on providing innovative technologies that enhance energy efficiency and performance in electronic devices. The company is known for its commitment to sustainability and has initiatives in place to reduce environmental impact through energy-efficient products.
Founded in 1999, ON Semiconductor has grown through a series of acquisitions and continues to expand its product portfolio to meet the evolving needs of the semiconductor market.
Application
The 2SA1797 is a high-voltage, high-speed NPN transistor primarily used in audio amplification, power amplification, and switching applications. Its features make it suitable for use in various consumer electronics, such as audio amplifiers, video equipment, and power supply circuits. Additionally, it can be utilized in RF applications and low-noise stages in communication devices. Its ability to handle high frequencies and voltages makes it valuable in industrial equipment and automotive systems as well.
Package
The 2SA1797 is typically packaged in a TO-220 format. This package type features a metal tab for heat dissipation and is commonly used for power transistors, providing good thermal performance and ease of mounting.