| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | SP706R | +3.0V/+3.3V Low Power Microprocessor Supervisory Circuits ® SP706P/R/S/T, SP708R/S/T +3.0V/+3.3V Low Power Microprocessor Supervisory Circuits s Precision Low Voltage Monitor: SP706P/R and SP708R at +2.63V SP706S and SP708S at +2.93V SP706T and SP708T at +3.08V s RESET Pulse Width - 200ms s Independent Watchdog Timer - 1.6 sec Timeout (SP706P/S/R/T) s 40µA Maximum Supply Current s Debounced TTL/CMOS Manual-Reset Input s RESET Asse |
 Sipex |
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| 1 | SP706R | 3.0V/3.3V Low Power Microprocessor Supervisory Circuits April 2015 SP706R/S/T - SP708R/S/T 3.0V/3.3V Low Power Microprocessor Supervisory Circuits Rev. 3.0.0 GENERAL DESCRIPTION The SP706R/S/T and SP708R/S/T series is a family of microprocessor (µP) supervisory circuits that integrate myriad components involved in discrete solutions which monitor power-supply and battery in µP and digital systems. The SP706R/S/T and SP708R/S/T s |
 Exar |
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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 |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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