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
  
                       
MC34161PG


Supervisory Circuits ANA UNIV VOLT MON
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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 Availability : 0
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USD 0.5324
Multiples of: 1

Voltage SupervisoryThrough Hole PDIP - 81.27 V2 InputOpen Collector / DrainNo Manual ResetNo Watchdog  adjustable40 V0 C+ 70 C    
NCV33164D-5R2G


Supervisory Circuits 4.27V 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 Availability : 0
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USD 0.5354
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 85 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backupadjustable10 V- 40 C+ 125 C Ncv33164Aec - Q100Reel
NCV302LSN30T1G


Supervisory Circuits ANA UNDERVOLT DETECT 3.0V
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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 Availability : 0
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USD 0.5652
Multiples of: 745

Voltage Monitors               Ncv302 Reel
CAT1161LI-42-G


Supervisory Circuits CPU w/16K
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ON Semiconductor Availability : 0
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USD 0.5701
Multiples of: 1

Voltage SupervisoryThrough Hole PDIP - 84.25 v to 4.5 V1 InputActive High, Active Low, Open DrainManual ResetWatchdogwatchdogNo Backup5 us6 V- 40 C+ 85 C    
NCV33164D-3R2G


ON Semiconductor Supervisory Circuits 2.65V 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 Availability : 0
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USD 0.5904
Multiples of: 713

Voltage SupervisorySmd/Smt SOIC - 83 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backupadjustable10 V- 40 C+ 125 C Ncv33164Aec - Q100Reel
CAT1025WI-28-GT3


Voltage Monitor 3V/3.3V/5V 8-Pin SOIC N T/R
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ON Semiconductor Availability : 0
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USD 0.5969
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 8 Wide3 v , 3.3 v , 5 V1 Input Manual Reset no watchdog  5.5 V- 40 C+ 85 C Cat1025 Reel
CAT1832V-GT3


Supervisory Circuits 3.3V Supply Vltg Sup
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ON Semiconductor Availability : 0
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USD 0.6039
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 83.3 v , 5 V1 InputActive Low, Push - PullManual ResetWatchdogwatchdogNo Backup1000 ms5.5 V- 40 C+ 85 C Cat1832 Reel
CAT1232LPV-G


Processor Supervisor 4.62V/4.37V 3.3V/5V 8-Pin SOIC N
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ON Semiconductor Availability : 0
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USD 0.6371
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 83.3 v , 5 V1 InputActive High, Active Low, Open Drain, Push - PullManual Reset watchdogNo Backup1000 ms5.5 V- 40 C+ 85 C Cat1232  
NCV33064P-5RAG


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 Availability : 0
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USD 0.6378
Multiples of: 681

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)4.61 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdog adjustable6.5 V- 40 C+ 125 C Ncv33064Aec - Q100Reel
CAT130019SWI-GT3


Supervisory Circuits w/1k Microwire
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ON Semiconductor Availability : 0
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USD 0.6518
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 8 Wide2.5 v , 3 v , 3.3 v , 5 v1 Input No Manual Reset no watchdog  5.5 V- 40 C+ 85 C Cat13001 Reel
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