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
  
                       
CAT809TTBI-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 14162
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 0.3167
Multiples of: 1

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
NCP308MTADJTBG


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 13889
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between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 0.7774
Multiples of: 1

Voltage Supervisory               Ncp308 Reel
NCP803SN293T3G


ON Semiconductor Supervisory Circuits 2.93V 20mA 3-Pin wuP 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 13556
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 0.3202
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 v to 4.9 V1 InputOpen Collector / DrainNo Manual Reset no watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Ncp803 Reel
NCP302LSN18T1G


Supervisory Circuits 1.8V 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 13526
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 0.2972
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)1.8 V1 InputActive Low, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp302 Reel
NCV303LSN31T1G


ON Semiconductor Supervisory Circuits VDETECTOR W PROG DLY 3.1V
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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 13350
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 0.2565
Multiples of: 1

Voltage MonitorsSmd/Smt TSOP - 53.1 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 125 C2 %Ncp303Aec - Q100Reel
NCP308SN180T1G


Processor Supervisor 1.67V 1.8V 6-Pin TSOP 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 13316
Ships to you
between Fri. 26 Jul to Wed. 31 Jul Calender.png

AUD 0.6954
Multiples of: 1

Voltage Detectors               Ncp308 Reel
MAX708ESA-TG


Supervisory Circuits 4.38V uP Supervisory
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ON Semiconductor 13135
Ships to you
between Fri. 26 Jul to Wed. 31 Jul Calender.png

AUD 0.6632
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
MAX809SQ293D3T1G


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 12685
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 0.3304
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 32.93 V1 InputActive LowNo Manual Reset no watchdogNo Backup330 ms5.5 V- 40 C+ 105 C Max809 Cut Tape
NCP308SN500T1G


Processor Supervisor 4.65V 5V 6-Pin TSOP
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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 12542
Ships to you
between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 0.6493
Multiples of: 1

Voltage Detectors               Ncp308 Reel
NCP303LSN27T1G


Supervisory Circuits 2.7V 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 11769
Ships to you
between Fri. 26 Jul to Wed. 31 Jul Calender.png

AUD 0.4243
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2.7 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp303 Reel
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