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2SA1942
2SA1942 - PNP Silicon Power Transistor, 12 Amps, 160 Volts, General Purpose
2SA1942
2SA1942 - PNP Silicon Power Transistor, 12 Amps, 160 Volts, General Purpose
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2SA1942 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $0.895 | $0.90 |
| 10 | $0.755 | $7.55 |
| 30 | $0.680 | $20.40 |
| 100 | $0.593 | $59.30 |
| 500 | $0.555 | $277.50 |
| 1000 | $0.537 | $537.00 |
這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。
詳細說明
The 2SA1942 is a high-power PNP bipolar junction transistor (BJT) commonly used in audio amplifier and power supply circuits. It has a maximum collector current of 15A and a maximum collector power dissipation of 150W. The transistor is housed in a TO-3P package and has a voltage rating of 230V.The 2SA1942 has a low saturation voltage, making it efficient for high-power applications. It also has a high current gain, typically around 55 to 160, which allows for amplification of large signals. The transistor operates in Class AB mode, which means it provides a balance between efficiency and linearity in amplification.The 2SA1942 has a fast switching speed, enabling it to quickly respond to changes in input signals. This makes it suitable for audio amplification where fidelity and speed are important. The transistor also has built-in protection features such as a thermal shutdown mechanism to prevent overheating and damage during operation.
主要特徵
- High current capability (up to 15A)
- Low collector-emitter saturation voltage
- Complementary to 2SC5197
- High speed switching
- High power dissipation (up to 150W)
- Wide operating temperature range (-55°C to 150°C)
應用
- Audio amplifiers
- Power supply circuits
- High fidelity audio equipment
- Power regulators
- Instrumentation
- Switching circuits
- Motor control circuits
- RF amplifiers
- Industrial applications
- High power electronic devices
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Pbfree Code | No | Rohs Code | No |
| Part Life Cycle Code | Active | Pin Count ! | 3 |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8541.29.00.95 | Case Connection | COLLECTOR |
| Collector Current-Max (IC) | 12 A | Collector-Emitter Voltage-Max | 160 V |
| Configuration | SINGLE | DC Current Gain-Min (hFE) | 35 |
| JESD-30 Code | R-PSFM-T3 | Number of Elements | 1 |
| Number of Terminals | 3 | Operating Temperature-Max | 150 °C |
| Package Body Material | PLASTIC/EPOXY | Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT | Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Polarity/Channel Type | PNP | Power Dissipation Ambient-Max | 120 W |
| Qualification Status ! | Not Qualified | Surface Mount ! | NO |
| Terminal Form ! | THROUGH-HOLE | Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Transistor Application | AMPLIFIER |
| Transistor Element Material | SILICON | Transition Frequency-Nom (fT) | 30 MHz |
| VCEsat-Max | 2.5 V |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is 2SA1942?
The 2SA1942 is a high-voltage, high-speed PNP silicon transistor designed for audio amplifier and other high-power applications. It is commonly used in high-fidelity audio amplifiers, power supplies, and high-power switching circuits.
How Does 2SA1942 Work?
The 2SA1942 works as a PNP transistor that amplifies current and voltage signals with high fidelity and speed. It is typically employed in the output stage of audio amplifiers where high power and voltage swing are required. The transistor's design allows it to handle significant power levels and maintain stability in demanding applications.
How Many Pins does 2SA1942 have and What are the Functions of the Pinout Configuration?
The 2SA1942 is typically available in a TO-3P (Through-Hole Package) with three pins:
- Base (B): The input control pin that regulates the transistor's conductivity.
- Collector (C): The high-power output pin where the load is connected.
- Emitter (E): The ground reference pin that releases the amplified signal.
What are the Pros and Cons of 2SA1942?
Pros:
- High Voltage and Power Capability: Suitable for high-power applications requiring high voltages and currents.
- High Speed: Fast response times make it ideal for high-frequency switching.
- Audio Performance: Often used in high-fidelity audio amplifiers for excellent sound quality.
- Robust Construction: Designed to handle high temperatures and power levels.
Cons:
- Heat Dissipation: Due to its high-power capabilities, it may require efficient heat dissipation mechanisms.
- Size: The TO-3P package may be larger compared to surface-mount alternatives.
Are There Any Equivalents/Alternatives to 2SA1942 for Recommendation?
Some equivalents to the 2SA1942 include the MJL1302A from ON Semiconductor and the 2SC5200 from Toshiba. These transistors offer similar high-power capabilities and are commonly used in audio amplifier and power supply applications.
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