| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | XPT2291 | Precision Op-amp XPT2291-XPT2291E __________________1_._8V_,__70_0_nA_,_S_m_a_ll__Si_z_e,__P_re_c_is_i_on__O_p-_a_mp__ Features 900 nA Maximum Supply Current Ultra-low Single-Supply Operation Down to +1.8V Ground-Sensing Input Common-Mode Range Outputs Swing Rail-to-Rail Offset Voltage: 0.6 mV Maximum Ultra-low VOS TC: 0.4 μV/°C Ultra-low Input Bias Current: 1 fA |
 XPTEK |
|
| 1 | XPT2291E | Precision Op-amp XPT2291-XPT2291E __________________1_._8V_,__70_0_nA_,_S_m_a_ll__Si_z_e,__P_re_c_is_i_on__O_p-_a_mp__ Features 900 nA Maximum Supply Current Ultra-low Single-Supply Operation Down to +1.8V Ground-Sensing Input Common-Mode Range Outputs Swing Rail-to-Rail Offset Voltage: 0.6 mV Maximum Ultra-low VOS TC: 0.4 μV/°C Ultra-low Input Bias Current: 1 fA |
XPTEK |
|
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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