| No | Part number | Description ( Function ) | Manufacturers | |
| 7 | LF412 | Low Offset/ Low Drift Dual JFET Input Operational Amplifier LF412 Low Offset, Low Drift Dual JFET Input Operational Amplifier August 2000 LF412 Low Offset, Low Drift Dual JFET Input Operational Amplifier General Description These devices are low cost, high speed, JFET input operational amplifiers with very low input offset voltage and guaranteed input offset voltage drift. They require low supply current yet maintain a large gain band |
 National Semiconductor |
|
| 6 | LF412 | Dual JFET-Input Operational Amplifier (Rev. B) |
 Texas Instruments |
|
| 5 | LF412-N | LF412-N Low Offset Low Drift Dual JFET Input Operational Amplifier (Rev. F) |
Texas Instruments |
|
| 4 | LF412A | Dual Precision JFET Input Operational Amplifiers |
 Linear Technology |
|
| 3 | LF412C | Dual JFET-Input Operational Amplifier |
Texas Instruments |
|
| 2 | LF412JAN | LF412JAN Low Offset Low Drift Dual JFET Input Operational Amplifier (Rev. A) |
Texas Instruments |
|
[1] [2]
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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