About Supervisory Circuits

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
  
                       
STWD100YNPWY3F


Supervisory Circuits STWD100 Watchdog
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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.

STMicroelectronics Availability : 23280
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USD 0.6258

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 5L 1 InputOpen Drain, Push - PullManual ResetWatchdogwatchdogNo Backup 5.5 V- 40 C+ 125 C Stwd100Aec - Q100Reel
STWD100YNWWY3F


Supervisory Circuits CONDITIONING & INTERFACES
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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.

STMicroelectronics Availability : 23280
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USD 0.6305

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 5 1 InputOpen DrainNo Manual ResetWatchdogwatchdogNo Backup 5.5 V- 40 C+ 125 C Stwd100Aec - Q100Cut Tape
CAX803STBI-T3


Processor Supervisor 2.93V 5V/3.3V/3V/2.5V 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 : 23275
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USD 0.0754

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 35 V1 InputActive Low, Open DrainManual Reset no watchdogNo Backup20 us5.5 V- 40 C+ 85 C Cax803 Reel
TCM809MENB713


Supervisory Circuits Microprocessor 4.38V
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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.

Microchip Availability : 23140
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USD 0.2748

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23B - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup560 ms5.5 V- 40 C+ 85 C   Reel
Hot BU4240F-TR


ROHM Semiconductor Supervisory Circuits LOW VOLT DETECT VOLT 4.2V
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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.

ROHM Availability : 23052
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USD 0.1503

Multiples of: 1

Voltage MonitorsSmd/Smt SOP - 44 V           Bu42 Reel
NCV301LSN28T1G


Supervisory Circuits 2.8V Detector w/N-Channel Output
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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 : 22891
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USD 0.1564

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2.8 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncv301Aec - Q100Reel
CAT809LTBI-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 : 22663
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USD 0.2159

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 32.5 V , 3 V , 3.3 V , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup240 ms5.5 V- 40 C+ 85 C Cat809 Reel
MIC2775-29YM5-TR


Supervisory Circuits Single Voltage Supervisor with Dual Active-High and Low Push-Pull Outputs, Manual Reset, 2.93V Threshold, 140ms 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.

Microchip Availability : 22142
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USD 0.6727

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23            Mic2775 Reel
NCV308SN330T1G


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 : 21716
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USD 0.1794

Multiples of: 1

Voltage Detectors               Ncp308Aec - Q100Reel
APX811-26UG-7


Supervisory Circuits 4-PIN MPU SUPERVISOR 2.63V Active-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.

Diodes Incorporated Availability : 21443
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USD 0.1461

Multiples of: 1

Voltage Supervisory               Apx811 Reel
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