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-195I/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 : 280
Ship by Tue. 10 Sep to Mon. 16 Sep Calender.png

USD 0.3836

Multiples of: 3000

Voltage SupervisorySmd/Smt SOT - 23 - 31.9 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 85 C Mcp121 Reel
BU4844G-TR


Supervisory Circuits IC CMOS VOLT 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.

ROHM Availability : 279
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USD 0.1979

Multiples of: 1

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R3112N301A-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 : 278
Ship by Mon. 16 Sep to Wed. 18 Sep Calender.png

USD 0.2311

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 23 - 53 V1 InputCmos, Open DrainNo Manual Reset no watchdogBackup 6 V- 40 C+ 85 C2 %R3112n Reel
TLC7703IPWG4


Supervisory Circuits Sngl SVS f/3.0V Sys w/Prg Time 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.

Texas Instruments Availability : 277
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USD 1.6625

Multiples of: 1

Voltage SupervisorySmd/Smt TSSOP - 85 V1 InputPush - PullNo Manual Reset no watchdog adjustable6 V- 40 C+ 85 C Tlc7703 Tube
MCP112-290E/TO


Supervisory Circuits 1uA Sup P-P 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.

Microchip Availability : 276
Ship by Mon. 16 Sep to Wed. 18 Sep Calender.png

USD 0.4956

Multiples of: 1

Voltage SupervisoryThrough Hole TO - 92 - 32.9 V1 InputActive Low, Push - PullNo Manual ResetNo Watchdogno watchdogNo Backup 5.5 V- 40 C+ 125 C Mcp112 Bulk
LTC2955ITS8-2#TRPBF


Supervisory Circuits Pushbutton On/Off Cntr w/ Auto Turn-On
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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 : 275
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USD 4.6496

Multiples of: 1

                   
NCP301LSN31T1G


Supervisory Circuits 3.1V 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 : 274
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USD 0.2739

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)3.1 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp301 Reel
MCP121-450E/TO


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 : 273
Ship by Tue. 10 Sep to Mon. 16 Sep Calender.png

USD 0.5448

Multiples of: 1

                   
ADM8320WCY29ARJZR7


Supervisory Circuits WD MRb ODb 200msTO 1.6sWD 2.93V
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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 : 273
Ship by Tue. 24 Sep to Fri. 27 Sep Calender.png

USD 1.7122

Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 52.5 v to 5 V1 InputActive Low, Push - PullManual ResetWatchdogwatchdogNo Backup 5.5 V- 40 C+ 125 C Adm8320Aec - Q100Reel
S-80840CNUA-B8ZT2G


Supervisory Circuits 4.0V 0.9uA N-Ch Open
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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.

ABLIC Availability : 272
Ship by Mon. 16 Sep to Wed. 18 Sep Calender.png

USD 0.3737

Multiples of: 1

Voltage DetectorsSmd/Smt SOT - 89 - 34 V1 InputActive Low, Open DrainNo Manual Reset no watchdogNo Backupadjustable10 V- 40 C+ 85 C S - 808 Cut Tape
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