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
  
                       
MAX811TEUS+T


Supervisory Circuits 4-Pin uP Voltage Monitors with Manual Reset Input
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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.

Analog Devices Availability : 10803
Ship by Fri. 18 Jul to Wed. 23 Jul Calender.png

USD 0.2927

Multiples of: 1

    3.08 V              
BU4327F-TR


Supervisory Circuits LOW VOLT DETEC VOLT 2.9V
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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 : 8730
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.2204

Multiples of: 3000

Voltage MonitorsSmd/Smt SOF - 42.7 V1 InputCmosNo Manual ResetNo Watchdogno watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu43 Reel
MIC809SUY-TR


Supervisory Circuits 3-Pin Microprocessor Reset Circuit with Push-Pull Active-Low Output, 2.93V Threshold, 140ms reset pulse in SOT23-3 - 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 : 8730
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.3207

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 v , 3.3 v , 5 V1 InputActive Low, Push - PullManual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C Mic809 Reel
MCP809T-450I/TT


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.

Microchip Availability : 8730
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USD 0.3353

Multiples of: 3000

                   
STM1001SBWX6F


Processor Supervisor 2.93V 3V/3.3V/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.

STMicroelectronics Availability : 8730
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USD 0.4566

Multiples of: 3000

                Stm1001 Reel
TC1270ANRVRCTR


Microchip Technology Supervisory Circuits 4Pin uP Reset Mon 2.63V Reset Thresh
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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 : 8730
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.5276

Multiples of: 50

Voltage SupervisorySmd/Smt SOT - 143 - 41 v to 5.5 V1 InputActive Low, Open DrainManual Reset no watchdog  5.5 V- 40 C+ 125 C Tc1270a Reel
STM6510SCACDG6F


Supervisory Circuits Dual Push-Button Smart Reset Adjust
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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 : 8730
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USD 0.694

Multiples of: 3000

 Smd/Smt TDFN - 8        7 V- 40 C+ 85 C Stm6510 Reel
STM6601CQ2BDM6F


Supervisory Circuits Smart Push-Button Power On Lock Out
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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 : 8730
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.9454

Multiples of: 3000

Voltage SupervisorySmd/Smt TDFN - 123.3 V1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C Stm6601 Reel
BU4919G-TR


Supervisory Circuits VOLT DETECT .9V-4.8V 5PIN
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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 : 8720
Ship by Wed. 02 Jul to Fri. 04 Jul Calender.png

USD 0.1884

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 51.9 V1 InputCmosNo Manual ResetNo Watchdogno watchdogNo Backup 7 V- 40 C+ 125 C1 %Bu49 Reel
STM1815RWX7F


Supervisory Circuits 2.55VRST 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 : 8713
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.2018

Multiples of: 1

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 Stm1815 Reel
MAX811TDB4RG


SOT-143 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.

HANSCHIP Availability : 8710
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USD 0.0493

Multiples of: 5

                   
MIC803-30D3VC3-TR


Supervisory Circuits 3-Pin Microprocessor Supervisor Circuit w/ Open-Drain Reset 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.

Microchip Availability : 8697
Ship by Wed. 02 Jul to Fri. 04 Jul Calender.png

USD 0.3408

Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 3 1 InputOpen Collector / DrainManual ResetNo Watchdogno watchdogNo Backup15 us5.5 V- 40 C+ 125 C Mic803 Reel
BD4850G-TR


Supervisory Circuits CMOS DETEC VOLT 5.0V
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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 : 8696
Ship by Wed. 02 Jul to Fri. 04 Jul Calender.png

USD 0.1545

Multiples of: 1

Voltage MonitorsSmd/Smt SSOP - 55 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backup 10 V- 40 C+ 105 C1 %Bd48 Reel
ME2801A33M3G


SOT-23-3 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.

Micro One Availability : 8691
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USD 0.0322

Multiples of: 10

                   
TPS3809L30DBVT


Supervisory Circuits 2.64V Volt. Sup
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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 : 8664
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USD 0.4992

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 32.64 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup200 ms6 V- 40 C+ 85 C Tps3809l30 Reel
NCP301LSN39T1G


Supervisory Circuits ANA UNDERVOLT DETECT 3.9V
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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 : 8612
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.2068

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)3.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp301 Reel
NCP305LSQ16T1G


Supervisory Circuits 1.6V 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 Availability : 8565
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.2335

Multiples of: 1

Voltage MonitorsSmd/Smt SC - 82AB - 41.6 V1 Input No Manual Reset no watchdog  10 V- 40 C+ 85 C2 %Ncp305 Reel
SR1PAAU


Supervisor Open Drain or Open Collector 1 Channel 6-UDFN (1.45x1)
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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 : 3880
Ship by Fri. 04 Jul to Thu. 10 Jul Calender.png

USD 0.505

Multiples of: 1

4 Pin Smart Reset ControllerSmd/Smt DFN - 6        5.5 V- 40 C+ 85 C Sr1 Reel
MIC811RUY TR


Supervisory Circuits Microprocessor Reset Circuit with Manual Reset, Push-Pull Active-Low Output, 2.63V 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 : 2935
Ship by Wed. 02 Jul to Fri. 04 Jul Calender.png

USD 0.3311

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 143 - 43 V , 3.3 V , 5 V1 InputActive Low, Push - PullManual ResetNo WatchdogNo WatchdogNo Backup0.5 us5.5 V- 40 C+ 85 C Mic811 Reel
STM810MWX6F


Supervisor Push-Pull, Totem Pole 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.

STMicroelectronics Availability : 0
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USD 0.2855

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 V , 3.3 V , 5 V1 InputActive High, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup280 ms5.5 V- 40 C+ 85 C Stm810 Reel
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