| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | 2SB772M | SILICON PNP TRANSISTOR 2SB772M(3CG772M) 硅 PNP 半导体三极管/SILICON PNP TRANSISTOR 用途:用于音频放大输出,电压调节器,电源转换和继电器驱动。 Purpose: Output stage of audio amplifier, voltage regulator, DC-DC converter and relay driver. 特点:饱和压降小, hFE 高且线性好/Features: Low saturation voltage, excellent hFE linearity and high hFE. 极限参数/A |
 LZG |
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| 1 | 2SB772M | Silicon PNP transistor 2SB772M Rev.E Mar.-2016 DATA SHEET 描述 / Descriptions SOT-23 塑封封装 PNP 半导体三极管。Silicon PNP transistor in a SOT-23 Plastic Package. 特征 / Features 饱和压降小,hFE 高且线性好。 Low saturation voltage, excellent hFE linearity and high hFE. 用途 / Applications 用于音频放大输出,电压调节器,电源转换和继电器驱动。 |
 BLUE ROCKET ELECTRONICS |
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List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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