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
  
                       
NCV303LSN22T1G


ON Semiconductor Supervisory Circuits VDETECTOR W PROG DLY 2.2V
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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 5514
Ships to you
between Mon. 27 May to Wed. 29 May Calender.png

USD 0.3974
Multiples of: 1

Voltage Detectors               Ncp303Aec - Q100Reel
CAT809RTBI-GT3


Supervisory Circuits Push-pull Act low
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ON Semiconductor 5364
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USD 0.2002
Multiples of: 5

Voltage SupervisorySmd/Smt SOT - 23 - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup240 ms5.5 V- 40 C+ 85 C Cat809 Reel
NCP308MT330TBG


Supervisory Circuits Voltage Supervisor, Ultra Low Quiescent Current, Programmable Delay Time
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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 5315
Ships to you
between Mon. 27 May to Wed. 29 May Calender.png

USD 0.4785
Multiples of: 1

Voltage Detectors               Ncp308 Cut Tape
NCV303LSN31T1G


ON Semiconductor Supervisory Circuits VDETECTOR W PROG DLY 3.1V
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ON Semiconductor 4568
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USD 0.2969
Multiples of: 1

Voltage MonitorsSmd/Smt TSOP - 53.1 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 125 C2 %Ncp303Aec - Q100Reel
MC33064P-5RPG


Supervisory Circuits 4.59V UnderVoltage Sensing Circuit
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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 4525
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.3507
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)4.6 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog No Backupadjustable6.5 V- 40 C+ 85 C Mc33064 Ammo Pack
CAT1021WI-30-GT3


Voltage Monitor 3V/3.3V/5V 8-Pin SOIC N T/R
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ON Semiconductor 4365
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.8984
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 8 Wide3 V , 3.3 V , 5 V1 Input Manual Reset watchdog  5.5 V- 40 C+ 85 C Cat1021 Reel
NCP308MT180TBG


Supervisory Circuits Voltage Supervisor, Ultra Low Quiescent Current, Programmable Delay Time
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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 4235
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.4347
Multiples of: 1

Voltage Supervisory               Ncp308 Reel
MAX810SQ293T1G


Supervisory Circuits ANA 2.93V MC RESET
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ON Semiconductor 4222
Ships to you
between Mon. 27 May to Wed. 29 May Calender.png

USD 0.2302
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 32.93 V1 InputActive HighNo Manual Reset no watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max810 Cut Tape
NCV33161DMR2G


Supervisory Circuits AEC ANA UNI VOLT 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 3880
Ships to you
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USD 0.47
Multiples of: 4000

Voltage MonitorsSmd/Smt MICRO - 82 v , 4 V2 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup 40 V- 40 C+ 125 C2 %Ncv33161Aec - Q100Reel
NCP803SN293D2T1G


Supervisor Open Drain or Open Collector 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 3854
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.2082
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 V To 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup66 ms5.5 V- 40 C+ 105 C Ncp803 Reel
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