| No | Part number | Description ( Function ) | Manufacturers | |
| 9 | CD4066B | CMOS QUAD BILATERAL SWITCH |
 RCA |
|
| 8 | CD4066B | CMOS QUAD BILATERAL SWITCH |
 Texas Instruments |
|
| 7 | CD4066B-Q1 | CMOS Quad Bilateral Switch |
Texas Instruments |
|
| 6 | CD4066BC | Quad Bilateral Switch CD4066BC Quad Bilateral Switch November 1983 Revised August 2000 CD4066BC Quad Bilateral Switch General Description The CD4066BC is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. It is pin-for-pin compatible with CD4016BC, but has a much lower “ON” resistance, and “ON” resistance is relatively constant over the inpu |
 Fairchild Semiconductor |
|
| 5 | CD4066BC | Quad Bilateral Switch CD4066BM CD4066BC Quad Bilateral Switch June 1992 CD4066BM CD4066BC Quad Bilateral Switch General Description The CD4066BM CD4066BC is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals It is pin-for-pin compatible with CD4016BM CD4016BC but has a much lower ‘‘ON’’ resistance and ‘‘ON’’ resistance is relatively c |
 National Semiconductor |
|
| 4 | CD4066BC | Quad Bilateral Switch (Rev. A) |
Texas Instruments |
|
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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