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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Image  Information Image Stock Code(▲▼)Description
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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
  
                       
MIC811TUY TR


Supervisory Circuits Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output, 3.08V Threshold, 140ms reset pulse in SOT143-4 - Lead Free
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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 : 41905
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.3663

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 143 - 43.08 V1 InputActive LowManual ResetNo WatchdogNo WatchdogNo Backup240 ms5.5 V- 40 C+ 85 C Mic811 Reel
MC34164D-5R2G


Supervisory Circuits 4.27V 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 : 41225
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.4334

Multiples of: 2500

Voltage SupervisorySmd/Smt SOIC - 85 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog No Backupadjustable10 V0 C+ 70 C Mc34164 Reel
MAX809T


SOT-23 Monitors & Reset Circuits ROHS
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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.

TECH PUBLIC Availability : 40956
Ship by Fri. 12 Sep to Wed. 17 Sep Calender.png

USD 0.0367

Multiples of: 10

                   
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 : 40740
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.7761

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
TS831-4IDT


Supervisor Integrated Circuit; power on reset monitor (PoR)
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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 : 38800
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.202

Multiples of: 1

                   
APX803S-31SA-7


Supervisory Circuits 3.08V, 240ms MPU Reset 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.

Diodes Incorporated Availability : 38396
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.1034

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 33.08 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backup240 ms5.5 V- 40 C+ 85 C Apx803s Cut Tape
STM809RWX6F


Supervisory Circuits 2.63V Reset 140ms
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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 : 37830
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.1523

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup280 ms5.5 V- 40 C+ 85 C Stm809 Reel
NCP308SN280T1G


Processor Supervisor 2.61V 2.8V 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 Availability : 37830
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.522

Multiples of: 1

Voltage Detectors               Ncp308 Cut Tape
APX824-40W5G-7


Supervisor Push-Pull, Totem Pole 1 Channel SOT-25
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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 : 34920
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.1538

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 25 - 54 V1 InputActive High, Active LowNo Manual Reset watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Apx824 Reel
NCP302HSN45T1G


Supervisory Circuits 4.5V Detector w/Reset Hgh
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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 : 34920
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.2336

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 %Ncp302 Reel
BD4745G-TR


Supervisory Circuits RESET DETEC VOLT 4.5V
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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 : 33253
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.1955

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 54.5 V1 InputOpen CollectorsNo Manual ResetNo Watchdogno watchdogNo Backup 0.85 V- 40 C+ 75 C1 %Bd47 Reel
MCP121T-300E/LB


Supervisory Circuits Open Drain 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.

Microchip Availability : 32908
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.2954

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 32.93 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup120 ms5.5 V- 40 C+ 125 C Mcp121 Reel
NCP304LSQ33T1G


ON Semiconductor Supervisory Circuits 3.3V Detector wReset 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 : 32010
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.2335

Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 43.3 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp304 Reel
STWD100PYW83F


Supervisory Circuits Watchdog Timer 13uA Chip Enable
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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 : 32010
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USD 0.5613

Multiples of: 3000

TimersSmd/Smt SC - 70 - 5        5.5 V- 40 C+ 125 C Stwd100 Reel
MAX803SQ438T1G


Supervisory Circuits ANA 4.38V 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 : 31267
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.1909

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 V To 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max803 Reel
APX803L40-30SA-7


Supervisory Circuits 3.0V 450ms Reset Generator
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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 : 30322
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.1126

Multiples of: 1

                  Cut Tape
STM809MWX6F


Supervisory Circuits 4.38V Reset 140ms
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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 : 29100
Ship by Fri. 29 Aug to Thu. 04 Sep Calender.png

USD 0.2238

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdog No Backup280 ms5.5 V- 40 C+ 85 C Stm809 Reel
MAX809R


SOT23 Monitors & Reset Circuits ROHS
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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.

TECH PUBLIC Availability : 28853
Ship by Fri. 12 Sep to Wed. 17 Sep Calender.png

USD 0.0326

Multiples of: 10

                   
NCV809STRG


ON Semiconductor Supervisory Circuits ANA 2.93V MCROPROC 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 : 28473
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.2204

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 V To 4.9 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Ncv809Aec - Q100Reel
MIC2782FLYCS TR


Supervisory Circuits Dual Input Push Button Reset IC
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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 : 28103
Ship by Wed. 27 Aug to Fri. 29 Aug Calender.png

USD 0.4644

Multiples of: 1

Voltage SupervisorySmd/Smt WLCSP - 6 2 InputActive Low, Open DrainManual ResetNo Watchdogno watchdogNo Backup0.5 s5.5 V- 40 C+ 85 C Mic2782 Reel
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