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
  
                       
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 Availability : 2744
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2081
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
MAX810SQ120T1G


Supervisory Circuits ANA 1.20V MC 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 Availability : 2744
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2675
Multiples of: 1

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NCP304LSQ43T1G


Supervisory Circuits 4.3V Detector w/Reset 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 Availability : 2705
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2017
Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 44.3 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp304 Reel
NCV303LSN43T1G


Supervisory Circuits AUTO 4.3V SUPERVSRY
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ON Semiconductor Availability : 2686
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USD 0.3737
Multiples of: 1

Voltage Detectors               Ncv303Aec - Q100Cut Tape
NCP305LSQ26T1G


Supervisory Circuits ANA UNDERVOLT DETECT 2.6V
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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 : 2646
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USD 0.2213
Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 42.6 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp305 Reel
NCP300HSN45T1G


Supervisory Circuits 4.5V Detector w/Reset High
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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 : 2540
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2059
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)4.5 V1 InputActive High, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp300 Reel
KA75330ZTA


Supervisor Open Drain or Open Collector 1 Channel TO-92-3
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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 : 2517
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USD 0.0863
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 K in KED LEAD2.5 v to 4.5 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup 15 V- 25 C+ 85 C Ka75330 Ammo Pack
NCP300LSN46T1G


Supervisory Circuits 4.6V Detector w/Reset 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 Availability : 2482
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.1994
Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)4.6 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 125 C2 %Ncp300 Cut Tape
MAX810SQ293D1T1G


Supervisory Circuits ANA 2.93V MC 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 Availability : 2468
Ship by Wed. 07 Aug to Fri. 09 Aug Calender.png

USD 0.2148
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup3.3 ms5.5 V- 40 C+ 105 C Max810 Reel
CAT809RTBI-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 Availability : 2035
Ship by Thu. 15 Aug to Tue. 20 Aug Calender.png

USD 0.1898
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
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