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ON Semiconductor 2SA1943RTU

Part No.:: 2SA1943RTU

Manufacturer:: ON Semiconductor

Package:: TO-264-3, TO-264AA

Datasheet:: 2SA1943RTU.pdf

Description:: TRANS PNP 250V 17A TO264-3

In Stock:: 280

Quantity:: Add To Cart

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2SA1943RTU Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
TransistorType:
PNP
Current-Collector(Ic)(Max):
17 A
Voltage-CollectorEmitterBreakdown(Max):
250 V
VceSaturation(Max)@IbIc:
3V @ 800mA, 8A
Current-CollectorCutoff(Max):
5µA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce:
55 @ 1A, 5V
Power-Max:
150 W
Frequency-Transition:
30MHz
OperatingTemperature:
-50°C ~ 150°C (TJ)
MountingType:
Through Hole

2SA1943RTU this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 2SA1943RTU price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for 2SA1943RTU to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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2SA1943RTU information

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2SA1943RTU Typical application Circuitry

The 2SA1943RTU is a significant component within the realm of high-power, high-fidelity audio applications, belonging to the PNP transistor family. This particular model is designed for optimal performance in power amplification stages, distinguishing itself through its ability to handle high voltage and current levels efficiently. The "RTU" suffix denotes its package type and specific configurations tailored for robust applications such as professional audio amplifiers, power supplies, and other high-power circuits. The 2SA1943RTU is renowned for its high transition frequency, which facilitates excellent amplification characteristics across a broad audio spectrum.

1. Introduction to the 2SA1943RTU Series: This transistor is part of a series known for delivering outstanding performance in audio amplification, thanks to its high power and current handling capabilities, along with a high transition frequency. The 2SA1943RTU, with its PNP configuration, is commonly paired with its NPN counterpart to create complementary amplifier designs, offering a balanced approach to high-fidelity audio amplification.

2. Detailed Circuit Integration: The 2SA1943RTU features three pins: the Emitter (E), the Base (B), and the Collector (C). In a typical audio amplifier circuit, the Emitter is connected to the negative power supply, the Collector to the output load, and the Base serves as the input for the audio signal. This configuration allows the 2SA1943RTU to amplify the input signal, driving the speaker or other output devices. Precise biasing of the Base is critical to ensure optimal performance, usually achieved through a network of resistors and capacitors designed to stabilize the operating point and maximize the linear response of the amplifier.

3. Power Supply and Biasing: The 2SA1943RTU operates within a wide voltage range, typically up to -230V, allowing it to be used in high-power applications. The biasing network, essential for setting the correct operating point of the transistor, requires careful design to achieve the desired amplification without distortion. This involves selecting resistors and capacitors that set the Base voltage to a fraction of the power supply voltage, ensuring the transistor operates in its active region.

4. Utilization of the I/O Pins: The integration of the 2SA1943RTU into an amplifier circuit involves connecting its Collector to the load (such as a speaker), its Emitter to the power supply's ground or negative terminal, and its Base to the input signal through a biasing network. This setup enables the 2SA1943RTU to amplify the input signal efficiently, delivering high-quality audio to the output device.

5. Ensuring Thermal Stability: Given the high power levels the 2SA1943RTU is capable of handling, thermal management is crucial. The use of heat sinks to dissipate excess heat from the Collector is recommended, preventing thermal runaway and ensuring the longevity and reliability of the transistor in demanding applications.

6. Complementary Pairing for Enhanced Performance: A common practice in high-fidelity audio amplifier design is to pair the 2SA1943RTU with a complementary NPN transistor, such as the 2SC5200RTU. This complementary configuration allows for the creation of push-pull amplifier stages, significantly improving efficiency, linearity, and power output capability, thereby delivering superior audio quality.

7. Critical Considerations for Signal Integrity: To maintain signal integrity and minimize distortion, the layout of the circuit incorporating the 2SA1943RTU should ensure short signal paths, particularly at the Base connection. Additionally, incorporating bypass capacitors near the power supply connections can help reduce noise, ensuring a clean and stable power supply for the transistor.

In conclusion, the 2SA1943RTU is an integral component for developers and designers focusing on high-power, high-fidelity audio applications. Its high voltage and current handling capabilities, combined with a high transition frequency, make it an ideal choice for professional audio amplification systems. By following precise circuit integration practices, including proper biasing, thermal management, and complementary pairing, the 2SA1943RTU can significantly enhance the performance and quality of audio amplification systems, embodying a robust solution for advanced audio technology implementations.

2SA1943RTU FAQ

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6. What is the process for return or replacement of 2SA1943RTU?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 2SA1943RTU we delivered, we will accept the replacement or return of the 2SA1943RTU only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 2SA1943RTU.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations