2SA1941

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2SA1941

+BOM

TRANS PNP 140V 10A TO-3PS

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Specifications

Attribute Value
Part Status Active
Transistor Type PNP
Current - Collector (Ic) (Max) 10 A
Voltage - Collector Emitter Breakdown (Max) 140 V
Vce Saturation (Max) @ Ib, Ic 2.5V @ 800mA, 8A
Current - Collector Cutoff (Max) 5µA (ICBO)
DC Current Gain (h FE) (Min) @ Ic, Vce 55 @ 1A, 5V
Power - Max 100 W
Frequency - Transition 30MHz
Operating Temperature 150°C (TJ)
Mounting Type Through Hole
Package / Case TO-3P-3, SC-65-3
Supplier Device Package TO-3PS

Overview

Description

The 2SA1941 is a PNP bipolar junction transistor (BJT) widely used in audio amplification and power applications. It is designed for high current and high power applications, typically found in audio amplifier circuits, power amplifiers, and other electronic devices requiring robust output stages.
Key specifications of the 2SA1941 include:
- Polarity: PNP
- Collector-Emitter Voltage (Vce): 140 V
- Collector Current (Ic): 15 A
- Power Dissipation (Pd): 130 W
- Gain Bandwidth Product (fT): ~30 MHz
- DC Current Gain (hFE): 55 to 160
The 2SA1941 is often used in complementary pairs with its NPN counterpart, the 2SC5198, to form push-pull amplifier configurations, enhancing performance in audio and power circuits. It features a TO-3P package, providing efficient heat dissipation necessary for handling high power levels.
This transistor is favored in applications where high efficiency and reliability are critical, making it a popular choice among audio and electronics enthusiasts for building and repairing amplifiers.

Equivalent

The 2SA1941 is a PNP power transistor commonly used in audio amplifier circuits. Equivalent products include the TIP42C, 2SA1943, and the BD140, though specifications like current and voltage ratings might differ slightly. Always check the datasheet for precise equivalency, as parameters such as current gain, power dissipation, and package type are crucial for substitution.

Features

The 2SA1941 is a PNP bipolar junction transistor commonly used in audio frequency amplifiers and switching applications. Here are its key features:
1. Device Type: PNP Transistor
2. Polarity: Negative, meaning current flows from emitter to collector.
3. Collector-Emitter Voltage (Vceo): It can handle a maximum of -100V, ensuring suitability for various medium power applications.
4. Collector Current (Ic): Capable of handling up to -15A, allowing for significant power handling capacity.
5. Power Dissipation (Pc): Offers a maximum power dissipation of 150W, which helps in managing heat in high-power applications.
6. HFE (Current Gain): Typically ranges from 55 to 160, which facilitates effective amplification of signals.
7. Package Type: TO-3P, a package that provides efficient heat dissipation.
8. Applications: Widely used in audio power amplifiers and in power switching circuits due to its high current and power capabilities.
These features make the 2SA1941 a versatile component in many electronic circuits requiring reliable performance in power amplification and switching.

Pinout

The 2SA1941 is a PNP bipolar junction transistor commonly used in audio frequency amplifier applications. It typically comes in a TO-3P package. This transistor has three pins, each serving a specific function:
1. Pin 1 (Base): This pin is responsible for activating the transistor. A small current input to the base controls a larger current flow between the collector and emitter.
2. Pin 2 (Collector): This pin is connected to the load. It is where the main current flows out of the transistor when it is in the active region.
3. Pin 3 (Emitter): This pin is the output end where the current leaves the transistor. For a PNP transistor like the 2SA1941, the emitter is usually connected to a more positive voltage compared to the collector.
In summary, the 2SA1941 transistor is a three-pin device used mainly in high-power amplification circuits, with its pins designated for the base, collector, and emitter functions.

Manufacturer

The 2SA1941 is a bipolar junction transistor (BJT) that is manufactured by Toshiba Corporation. Toshiba is a multinational conglomerate headquartered in Tokyo, Japan. It operates in a wide range of sectors, including electronics, semiconductors, and information technology. Toshiba is known for its extensive research and development and has been a key player in the innovation and production of electronic components and devices. The company has a long history of producing semiconductors, which include transistors like the 2SA1941, used in various electronic applications for amplification and switching.

Application

The 2SA1941 is a PNP bipolar junction transistor commonly used in audio amplification applications. Its high current and voltage ratings make it suitable for use in the output stages of audio power amplifiers. Additionally, it can be used in power supplies and inverters where medium-power switching is required. Its complementary NPN transistor, the 2SC5198, is often paired with it in push-pull amplifier configurations to efficiently drive speakers. The 2SA1941 is also applicable in motor control circuits and other analog circuits requiring reliable current amplification.

Package

The 2SA1941 is a PNP bipolar junction transistor (BJT) and is typically packaged in a TO-3P or TO-247 package. These packages are designed for high-power applications and feature a robust, three-pin configuration that provides efficient heat dissipation.

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