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.
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Enter Qty TypeMounting StyleOutput VoltagePackage / CaseThreshold VoltageNumber of Inputs MonitoredOutput TypeManual ResetWatchdogWatchdog TimersBattery Backup SwitchingReset Delay TimeSupply Voltage - MaxMinimum Operating TemperatureMaximum Operating TemperatureAccuracySeriesQualificationPackaging
  
                       
BU46K272G-TL


Supervisory Circuits 2.7V 200ms SSOP3 CMOS Volt Detctr 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.

ROHM Availability : 2910
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USD 0.2449

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP3 - 32.7 V1 InputCmosNo Manual Reset no watchdogNo Backup200 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
R3111Q301C-TR-FE


Supervisory Circuits Low Voltage Detector
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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.

Nisshinbo Availability : 2910
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USD 0.2463

Multiples of: 1

 Smd/Smt SC - 82AB - 43 V1 InputActive Low, CmosNo Manual Reset no watchdogNo Backup   + 85 C R3111q Cut Tape
BD5243FVE-TR


ROHM Semiconductor Supervisory Circuits CMOS DETEC VOLT 4.3V
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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 : 2910
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.2489

Multiples of: 1

Voltage MonitorsSmd/Smt VSOF - 54.3 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup 10 V- 40 C+ 105 C1 %Bd52 Reel
BU4227F-TR


Supervisory Circuits LOW VOLT DETECT 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 : 2910
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USD 0.253

Multiples of: 1

Voltage MonitorsSmd/Smt SOP - 42.7 V1 InputOpen DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable7 V- 40 C+ 125 C1 %Bu42 Reel
BU4918F-TR


Supervisory Circuits VOLT DETECT .9V-4.8V 4-PIN
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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 : 2910
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.2544

Multiples of: 1

Voltage DetectorsSmd/Smt SOP - 41.8 V1 InputCmosNo Manual Reset no watchdogNo Backupno7 V- 40 C+ 125 C1 %Bu4918f Cut Tape
R3112Q421A-TR-FE


Supervisory Circuits Low Voltage Detector w/output delay
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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.

Nisshinbo Availability : 2910
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.26

Multiples of: 1

Voltage DetectorsSmd/Smt SC - 82AB - 44.2 V1 InputCmos, Open DrainNo Manual Reset no watchdogBackup 6 V- 40 C+ 85 C2 %R3112q Cut Tape
STM1816SWX7F


Supervisory Circuits 2.88VRST 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 : 2910
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USD 0.26

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 33 V , 3.3 V , 5 V3 InputOpen Collector / DrainManual ResetNo Watchdog No Backup2 us5.5 V- 40 C+ 105 C Stm1816 Reel
BU4233F-TR


Supervisory Circuits LOW VOLT DETECT VOLT 3.5V
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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 : 2910
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.2666

Multiples of: 1

                  Cut Tape
R3111N351C-TR-FE


Supervisory Circuits Low Voltage Detector
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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.

Nisshinbo Availability : 2910
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.2736

Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 53.5 V1 InputCmosNo Manual Reset no watchdogBackup-10 V- 40 C+ 85 C2 %R3111n Cut Tape
BU45K254G-TL


Supervisory Circuits Volt Det IC 2.5V Open Drain
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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 : 2910
Ship by Thu. 12 Sep to Mon. 16 Sep Calender.png

USD 0.276

Multiples of: 1

Voltage DetectorsSmd/Smt SSOP - 32.5 V1 InputOpen DrainNo Manual Reset no watchdogNo Backup400 ms6 V- 40 C+ 105 C1 %Bu45/Bu46 Cut Tape
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