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
  
                       
MCP121T-315E/TT


Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
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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 : 5820
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USD 0.3836

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33.08 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup120 ms5.5 V- 40 C+ 125 C Mcp121 Reel
STM1061N31WX6F


Supervisory Circuits 3.1V Active Lo Open Drain Voltage 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.

STMicroelectronics Availability : 5820
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USD 0.3871

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33.1 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdog No Backup 6 V- 40 C+ 85 C Stm1061 Reel
STM1818RWX7F


Supervisory Circuits 2.55VRST Active Low Open Drain 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.

STMicroelectronics Availability : 5820
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USD 0.3889

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 V , 3.3 V , 5 V1 InputActive Low, Open DrainManual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 105 C Stm1818 Reel
STM6823MWY6F


STMicroelectronics Supervisory Circuits 4.270 to 4.490VRST WatchdogManual Inpt
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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 : 5820
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USD 0.3929

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 52.5 v , 3 v , 3.3 v , 5 v1 InputActive Low, Push - PullManual ResetWatchdog No Backup280 ms5.5 V- 40 C+ 85 C Stm6823 Reel
TPS3840DL45DBVR


Supervisory Circuits Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay 5-SOT-23 -40 to 125
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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.

Texas Instruments Availability : 5820
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USD 0.4072

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 54.5 V1 InputActive Low, Open DrainManual Reset no watchdogBackup619 ms10 V- 40 C+ 125 C1 %Tps3840  
TPS3840DL32DBVRQ1


Supervisory Circuits Automotive high-input voltage supervisor with manual reset and programmable-reset time delay 5-SOT-23 -40 to 125
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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.

Texas Instruments Availability : 5820
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USD 0.4554

Multiples of: 1

Voltage SupervisorySMD/SMT SOT - 23 - 53.2 V1 InputActive Low, Open DrainManual Reset No WatchdogNo Backup619 ms10 V- 40 C+ 125 C1 %  Reel , Cut Tape
TPS3831K50DQNR


Supervisory Circuits Ultra-Lo 150nA Ultra Sm Vtg Supervisor
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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.

Texas Instruments Availability : 5820
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USD 0.4675

Multiples of: 1

Voltage SupervisorySmd/Smt X2SON - 45 V1 InputPush - PullManual Reset no watchdogBackup200 ms6.5 V- 40 C+ 85 C Tps3831k50 Reel
MIC809-5SUY-TR


Supervisory Circuits 3-Pin Microprocessor Reset Circuit with Push-Pull Active-Low Output, 2.93V Threshold, 30ms reset pulse
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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 : 5820
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USD 0.5223

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 3            Mic809 Reel
STM6524AUABDL6F


STMicroelectronics Supervisory Circuits Dual Smart Reset 1.65V to 5.5V 1.5uA
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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 : 5820
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USD 0.5347

Multiples of: 3000

 Smd/Smt UDFN - 6        5.5 V- 40 C+ 85 C Stm6524 Reel
STM1810LWX7F


STMicroelectronics Supervisory Circuits 4.62VRST Active Low Push-Pull 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.

STMicroelectronics Availability : 5820
Ship by Thu. 05 Sep to Wed. 11 Sep Calender.png

USD 0.546

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 105 C Stm1810 Reel
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