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
  
                       
CAT803TSDI-T3


Processor Supervisor 3.08V 5V/3.3V/3V/2.5V 3-Pin SC-70 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 : 2281
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USD 0.2275
Multiples of: 2352

Voltage SupervisorySmd/Smt SC - 70 - 32.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup240 ms5.5 V- 40 C+ 85 C   Reel
MAX810SN293D3T1G


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 : 2278
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USD 0.2116
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 Max810 Reel
NCP308MT250TBG


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 Availability : 2273
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USD 0.4963
Multiples of: 1

Voltage Detectors               Ncp308 Reel
Hot NCP305LSQ31T1G


Supervisory Circuits 3.1V Detector w/Reset Low
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ON Semiconductor Availability : 2182
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USD 0.1667
Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 43.1 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp305 Reel
CAT1023YI-25-GT3


Supervisory Circuits CPU SUP W2K EEPROM
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ON Semiconductor Availability : 2128
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USD 0.9513
Multiples of: 1

Voltage SupervisorySmd/Smt TSSOP - 8 1 InputOpen Collector / DrainManual Reset watchdog 5 us7 V- 40 C+ 85 C Cat1023 Cut Tape
MAX810SQ293D3T1G


ON Semiconductor 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 : 2112
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 Reset no watchdogNo Backup330 ms5.5 V- 40 C+ 105 C Max810 Reel
MC34164D-3R2G


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 : 2064
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USD 0.3918
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 83 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V0 C+ 70 C Mc34164 Reel
MAX810SN293D2T1G


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 : 2018
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USD 0.215
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 v to 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup66 ms5.5 V- 40 C+ 105 C Max810 Reel
MAX809SQ463T1G


Supervisory Circuits ANA 4.63V 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 : 1990
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USD 0.2081
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max809 Reel
MC33164P-3RAG


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 : 1940
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USD 0.3061
Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 3 (TO - 226)3 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable10 V- 40 C+ 125 C Mc33164 Reel
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