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2SA1837

Name: 2SA1837
Rating: 4.7 (12 reviews)

TRANS PNP 230V 1A TO-220F

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資料表 2SA1837 DataSheet
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規格

Part Status	Active
Transistor Type	PNP
Current - Collector (Ic) (Max)	1 A
Voltage - Collector Emitter Breakdown (Max)	230 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	1µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 100mA, 5V
Power - Max	50 W
Frequency - Transition	40MHz
Operating Temperature	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack
Supplier Device Package	TO-220F

概述

Description

The 2SA1837 is a general-purpose PNP transistor commonly used in audio amplification and switching applications. It features a maximum collector current of 1.5 A and a collector-emitter voltage rating of 60 V, making it suitable for various low to medium power applications. With a high current gain (hFE) typically ranging from 100 to 300, the 2SA1837 offers efficient amplification characteristics.
Its package is usually in TO-220 or similar form factors, which facilitates effective heat dissipation. The transistor is widely utilized in consumer electronics, amplifiers, and other circuits where medium power and efficiency are required.
Due to its robust performance, it is favored in DIY projects and professional applications alike. When using the 2SA1837, it is essential to consider thermal management and ensure that the operating conditions fall within the specified limits to avoid damage and ensure optimal performance.

Features

The 2SA1837 is a high-power NPN transistor widely used for audio amplification and general-purpose switching applications. Its key features include:
1. High Voltage Rating: Maximum collector-emitter voltage (Vce) of 120V, suitable for a wide range of applications.
2. High Current Handling: Capable of handling a maximum collector current (Ic) of 4A, making it ideal for high-power applications.
3. Power Dissipation: Maximum power dissipation of 30W, allowing it to manage heat effectively during operation.
4. High Gain: A DC current gain (hFE) range of 40 to 320, providing excellent amplification characteristics.
5. Frequency Response: Transition frequency (fT) of about 100MHz, suitable for audio and RF applications.
6. Package Type: Typically available in TO-220 package, facilitating easy heat sinking and mounting.
These features make the 2SA1837 suitable for use in amplifiers, power supply circuits, and various electronic devices where high efficiency and performance are required.

Package

The 2SA1837 is typically available in a TO-92 package type. This is a small plastic package commonly used for transistors, allowing for easy mounting on printed circuit boards.

Pinout

The 2SA1837 is a NPN bipolar junction transistor (BJT) commonly used in audio amplification and switching applications. It typically comes in a TO-220 package with a pin count of three.
The pin configuration is as follows:
1. Emitter (E) - This pin is connected to the emitter of the transistor, which is the terminal through which current flows out of the transistor.
2. Base (B) - This pin is the base terminal that controls the transistor's operation. It receives the input signal that allows current to flow from the collector to the emitter.
3. Collector (C) - This pin connects to the collector of the transistor, which is the terminal where the main current flows into the device.
The 2SA1837 is known for its high gain and frequency performance, making it suitable for various electronic circuits.

Manufacturer

The 2SA1837 is a bipolar junction transistor (BJT) manufactured by various semiconductor companies, with one notable manufacturer being ON Semiconductor. ON Semiconductor is a global supplier of semiconductor-based solutions, focusing on energy-efficient electronics. The company provides a wide range of products, including power management, analog, and logic devices, serving diverse markets such as automotive, industrial, and consumer electronics. Established in 1999 and headquartered in Phoenix, Arizona, ON Semiconductor emphasizes innovation and sustainability, aiming to deliver high-performance components that meet the growing demand for efficient electronic solutions.

Application

The 2SA1837 is a general-purpose NPN transistor commonly used in audio amplification, switching applications, and signal processing. Its applications include low-frequency amplifiers, driver stages, and radio frequency circuits. The transistor is suitable for consumer electronics, such as audio equipment and power amplifiers, where efficient signal amplification is required.

Equivalent

The 2SA1837 is a high-voltage NPN transistor commonly used in audio applications. Equivalent products include 2N5551, MPSU06, and 2N5401. For specific applications, always verify characteristics such as voltage, current ratings, and package type to ensure compatibility.