About Supervisory Circuits

ON Semiconductor Supervisory Circuits

Supervisory circuits are electronic circuits used to monitor and control the operation of other circuits or systems. They are commonly found in appliances, industrial equipment and other electronic systems where reliable operation is required. Supervisory circuits monitor and control the behavior of other circuits and systems, providing feedback and making adjustments as necessary to keep them within acceptable parameters. They are generally composed of several parts, including sensors, comparators, alarms, timers, and relays. The sensors monitor the voltage, current, and temperature of the circuits and systems, while the comparators compare these values to normal operating parameters. Alarms are triggered when parameters are out of range, while the relays are used to activate corrective actions, such as turning off equipment or engaging a fail-safe mode. Timers are typically used to monitor the length of time a certain condition has been present, allowing the supervisor circuit to shut down the system before it is damaged by an enduring failure.

Supervisory Circuits

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(Ex. GST)(▲▼)		Enter Qty TypeMounting StyleOutput VoltagePackage / CaseThreshold VoltageNumber of Inputs MonitoredOutput TypeManual ResetWatchdogWatchdog TimersBattery Backup SwitchingReset Delay TimeSupply Voltage - MaxMinimum Operating TemperatureMaximum Operating TemperatureAccuracySeriesQualificationPackaging
  
                       
NCP803SN400T1G


Supervisory Circuits 4.00V RESET MONITOR
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 23751
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.2116
Multiples of: 1

Voltage SupervisorySmd/Smt SOT23 - 34 V1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup140 ms5.5 V + 105 C Ncp803 Reel
CAX803STBI-T3


Processor Supervisor 2.93V 5V/3.3V/3V/2.5V 3-Pin SOT-23 T/R
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 23275
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 0.0725
Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 35 V1 InputActive Low, Open DrainManual Reset no watchdogNo Backup20 us5.5 V- 40 C+ 85 C Cax803 Reel
CAT809LTBI-GT3


Supervisory Circuits Push-pull Act low
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 22663
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.2093
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup240 ms5.5 V- 40 C+ 85 C Cat809 Reel
MAX803SQ308D2T1G


Supervisory Circuits ANA 3.08V MCROPROC RESET
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 21243
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USD 0.2285
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup66 ms5.5 V- 40 C+ 105 C Max803 Reel
NCV303LSN16T1G


ON Semiconductor Supervisory Circuits VOLTG SUP 1.6V AUTO
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 20370
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.1368
Multiples of: 1

Voltage Detectors               Ncv303 Reel
CAT823YTDI-GT3


ON Semiconductor Supervisory Circuits act low MRWD
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 20003
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.3415
Multiples of: 1

Voltage SupervisorySmd/Smt TSOT - 23 - 53 v , 3.3 v , 5 V1 Input Manual Reset watchdog  5.5 V- 40 C+ 85 C Cat823 Reel
NCP803SN463T1G


Supervisory Circuits 4.63V 20mA 3-Pin w/uP Reset N-Channel
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 18369
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 0.1909
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 V To 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog No Backup460 ms5.5 V- 40 C+ 105 C Ncp803 Reel
MAX810LTRG


Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3 (TO-236)
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 15403
Ships to you
between Mon. 20 May to Thu. 23 May Calender.png

USD 0.2014
Multiples of: 5

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 V To 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max810 Reel
MAX708ESA-TG


Supervisory Circuits 4.38V uP Supervisory
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 14553
Ships to you
between Mon. 20 May to Thu. 23 May Calender.png

USD 0.4809
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 81 V To 5.5 V1 InputPush - PullManual ResetNo Watchdogno watchdogNo Backup200 ms5.5 V- 40 C+ 85 C Max708 Reel
NCV303LSN27T1G


Supervisory Circuits VOLTAGE DETECTOR 2.7V AUT
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 5
Ships to you
between Mon. 20 May to Thu. 23 May Calender.png

USD 0.1998
Multiples of: 1

Voltage Detectors               Ncv303lsn27t1g Reel
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