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
  
                       
NCP308SN330T1G


ON Semiconductor Supervisory Circuits
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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 : 4
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USD 1.8377
Multiples of: 1

Voltage Supervisory               Ncp308 Reel
MAX809SN293D3T1G


Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3 (TO-236)
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ON Semiconductor Availability : 1
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USD 0.0765
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 v to 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup330 ms5.5 V- 40 C+ 105 C Max809 Reel
MAX809MTRG


ON Semiconductor Supervisory Circuits 4.38V uP 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 : 1
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USD 0.1947
Multiples of: 1

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 Max809 Reel
NCV303LSN45T1G


Supervisory Circuits ANA UNDERVOLT DETECT
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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 : 1
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USD 0.2074
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)4.5 V1 Input No Manual ResetNo Watchdogno watchdog  10 V- 40 C+ 125 C2 %Ncv303Aec - Q100Reel
MC34164P-3RPG


Supervisory Circuits 2.65V UnderVoltage Sensing Circuit
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ON Semiconductor Availability : 0
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USD 0.0113
Multiples of: 582

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)3 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V0 C+ 70 C Mc34164 Bulk
CAT8801STB-GT3


Power Supply Monitor 1.2V to 5.5V 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 Availability : 0
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USD 0.0256
Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 31.8 v , 2.5 v , 3 v , 3.3 v , 5 v1 InputPush - PullNo Manual Reset no watchdog 270 ms5 V- 40 C+ 85 C   Reel
CAX803LTBI-T3


Supervisory Circuits
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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 0.028
Multiples of: 3000

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CAT1232LPL-G


Processor Supervisor 4.62V/4.37V 3.3V/5V 8-Pin PDIP Rail
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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 0.0311
Multiples of: 1

Voltage SupervisoryThrough Hole PDIP - 83.3 v , 5 V1 InputActive High, Active Low, Open Drain, Push - PullManual Reset watchdogNo Backup1000 ms5.5 V- 40 C+ 85 C    
CAX803TTBI-T3


Supervisory Circuits
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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
Ship by 6 to 16 Weeks Calender.png

USD 0.0313
Multiples of: 3000

                  Cut Tape
CAX803RTBI-T3


Supervisory Circuits
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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
Ship by 6 to 16 Weeks Calender.png

USD 0.0313
Multiples of: 3000

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