| No | Part number | Description ( Function ) | Manufacturers | |
| 30 | TP4016A | Quad Bilateral Switches |
 Texas |
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| 29 | TP4054 | Standalone Linear Li-lon Battery Charger TP4054 Standalone Linear Li-lon Battery Charger with Thermal Regulation in SOT DESCRIPTION The TP4054 is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. Its SOT package and low external component count make the TP4054 ideally suited for portable applications. Furthermore, the TP4054 can work within USB and wall adapter. No e |
 NanJing Top Power |
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| 28 | TP4055 | 500mA Linear Li-Ion Battery Charger 南京拓微集成电路有限公司 TP4055 南京拓微集成电路有限公司 NanJing Top Power ASIC Corp. 数据手册 DATASHEET TP4055 (500mA 线性锂离子电池充电器) 概述、特点、典型应用-------------------------------------------------------------------------------------P2 管脚、特性指标--------------------------------------------------------- |
NanJing Top Power |
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| 27 | TP4056 | 1A Standalone Linear Li-lon Battery Charger 南京拓微集成电路有限公司 TP4056 南京拓微集成电路有限公司 NanJing Top Power ASIC Corp. 数据手册 DATASHEET TP4056 (1A 线性锂离子电池充电器) 1 F r e e D a t a s h e e t 描述 TP4056 是一款完整的单节锂离子电池采用恒定电流/恒定电压线性充电器。其底部 带有散热片的 SOP8/MSOP8 封装与较 |
NanJing Top Power |
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| 26 | TP4057 | 500mA Linear Li-Ion Battery Charger 南京拓微集成电路有限公司 TP4057 南京拓微集成电路有限公司 NanJing Top Power ASIC Corp. 数据手册 DATASHEET TP4057 (500mA 线性锂离子电池充电器) 概述、特点、典型应用-------------------------------------------------------------------------------------P2 管脚、特性指标--------------------------------------------------------- |
NanJing Top Power |
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| 25 | TP4212-100M-R | SLIM INDUCTOR FENG-JUI TECHNOLOGY CO., LTD SLIM INDUCTOR-RoHS & HF TP 4212-xxxx-R TYPE ●FEATURE 1. Low profile and small size (Height: 1.20mm Max) 2. High current capacity, Large terminal surface for good PCB bonding ●Applications 1. Digital Camera,Portable CDR-W,Camcorder and others ●Shape and Dimension ●Schematics and Land Patterns(mm) BC EPOXY 3.70REF A 4.20REF 1.20REF |
 FENG-JUI TECHNOLOGY |
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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 |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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