| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | OPA681 | OPA681: SpeedPlus Wideband Current Feedback Operational Amplifier with Disable (Rev. A) |
 Texas Instruments |
|
| 1 | OPA681 | Wideband / Current Feedback OPERATIONAL AMPLIFIER With Disable ® OPA 681 OPA681 OPA 681 OPA6 81 Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable TM FEATURES q WIDEBAND +5V OPERATION: 225MHz (G = +2) q UNITY GAIN STABLE: 280MHz (G = 1) q q q q q q HIGH OUTPUT CURRENT: 150mA OUTPUT VOLTAGE SWING: ±4.0V HIGH SLEW RATE: 2100V/µs LOW dG/dφ: .001%/.01° LOW SUPPLY CURRENT: 6mA LOW DISABLED CURRENT: 320µA APPLICATIONS q |
 Burr-Brown |
|
[1]
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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