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2SA1797

Name: 2SA1797
Rating: 4.7 (12 reviews)

Производитель
Мфр. Часть #2SA1797
Пакет
Лист данных
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Спецификации

Mounting Style	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

Обзор

Description

The 2SA1797 is a NPN bipolar junction transistor (BJT) commonly used in audio amplification and signal processing applications. It is valued for its high gain, low noise, and excellent linearity, making it suitable for high-fidelity audio circuits. The device typically features a maximum collector current of around 1A and a maximum collector-emitter voltage of approximately 50V.
With a high current gain (hFE) range, it is ideal for use in various configurations, including common emitter and common collector setups. Its low noise characteristics make it particularly beneficial in low-level signal applications, such as preamplifiers.
The 2SA1797 is often found in consumer electronics, professional audio equipment, and other electronic devices where performance and reliability are crucial. The transistor is housed in a TO-220 package, facilitating efficient heat dissipation and easy integration into circuit boards. Overall, the 2SA1797 is a versatile component that meets the demands of modern electronic design.

Features

The 2SA1797 is a high-performance NPN transistor designed for audio amplification and general-purpose applications. Key features include:
1. Type: NPN Bipolar Junction Transistor (BJT).
2. Voltage Rating: Collector-Emitter Voltage (Vce) up to 50V, allowing it to handle moderate voltage applications.
3. Current Rating: Continuous Collector Current (Ic) up to 3A, suitable for driving loads.
4. Gain: High current gain (hFE) typically ranges from 100 to 600, providing efficient amplification.
5. Frequency Response: Suitable for high-frequency applications with a transition frequency (fT) of around 150MHz.
6. Package: Available in TO-220 or similar packages, facilitating effective heat dissipation.
7. Thermal Stability: Designed for good thermal stability, enhancing reliability in varied conditions.
These features make the 2SA1797 ideal for audio power amplifiers, switching applications, and other electronic circuits requiring efficient and robust performance.

Package

The 2SA1797 is typically available in the TO-220 package type. This package is designed for discrete power transistors, providing efficient thermal management and ease of mounting on heatsinks.

Pinout

The 2SA1797 is a NPN bipolar junction transistor (BJT) commonly used in audio amplification and switching applications. It typically comes in the TO-220 package, which has three pins.
Pin Count and Function:
1. Base (B) - This is the control pin that regulates current flow between the collector and emitter.
2. Collector (C) - This pin is connected to the high voltage side of the circuit and collects current from the emitter.
3. Emitter (E) - This pin is the output side where the current flows out of the transistor.
The 2SA1797 is designed to handle high current and voltage levels, making it suitable for various electronic circuits, particularly in audio applications. Its characteristics include a good gain and frequency response, making it effective in amplifying signals.

Manufacturer

The 2SA1797 is a bipolar junction transistor (BJT) manufactured by various semiconductor companies, but it is primarily associated with ON Semiconductor. ON Semiconductor is a global supplier of semiconductor-based solutions. The company designs and manufactures a wide range of semiconductor components, including diodes, transistors, and integrated circuits, serving various industries such as automotive, industrial, communications, and consumer electronics. ON Semiconductor focuses on energy-efficient solutions and has a strong commitment to sustainability and innovation in technology.

Application

The 2SA1797 is a high-voltage NPN transistor commonly used in audio amplification, switch-mode power supplies, and general-purpose amplification applications. It is suitable for driving loudspeakers, as well as in high-frequency oscillators and RF amplifiers. Its robust performance makes it ideal for various consumer electronics, industrial equipment, and telecommunication devices.

Equivalent

The 2SA1797 is a general-purpose NPN transistor typically used in amplification. Equivalent products include the 2N5088, BC547, 2N4401, and MPS2222. Check datasheets for specifications to ensure compatibility in your circuit.

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