| No | Part number | Description ( Function ) | Manufacturers | |
| 1 | DK1203 | Small power off-line switching power supply control chip DK 1203 小功率离线式开关电源控制芯片 ◆主要特性 输入电压 85V to 265V 全电压范围 内置 700V 功率管 内建自供电电路(专利),无需辅助绕组供电 集成自启动电路 电流模式 PWM 控制 VCC 工作电压范围 4V to 6V 65Khz 开关频率 轻负载时自动进入跳周期模式 过温、过流、 |
 DongKe Semicondutor |
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List of most widely used semiconductors
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| 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. |
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| LM317 | This is a popular adjustable voltage regulator. |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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