About Supervisory Circuits

On Semiconductor 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
  
                       
MC34161DR2G


Supervisory Circuits Universal Voltage Monitor
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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 6492
Ships to you
between Mon. 27 May to Wed. 29 May Calender.png

USD 0.5509
Multiples of: 1

Voltage SupervisorySmd/Smt SOIC - 81.27 V2 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backupadjustable40 V0 C+ 70 C Mc33161 Reel
NCP803SN160T1G


Supervisory Circuits 1.6V 20mA 3-Pin w/uP Reset N-Channel
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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 6304
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.2369
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 v to 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog No Backup460 ms5.5 V- 40 C+ 105 C Ncp803 Reel
MAX803SQ308T1G


Supervisory Circuits ANA 3.08V 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 6172
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.2082
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 V To 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdog No Backup460 ms5.5 V- 40 C+ 105 C Max803 Reel
NCP301LSN28T1G


ON Semiconductor Supervisory Circuits 2.8V 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 5897
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USD 0.5993
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2.8 V1 InputActive Low, Open DrainNo Manual Reset no watchdogBackup 10 V- 40 C+ 125 C2 %Ncp301 Reel
MAX803SQ463T1G


Supervisor Open Drain or Open Collector 1 Channel SC-70-3 (SOT323)
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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 5789
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between Tue. 21 May to Mon. 27 May Calender.png

USD 0.1808
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
NCV303LSN11T1G


Supervisory Circuits VDETECTOR W PROG DLY 1.1V
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ON Semiconductor 5771
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.3622
Multiples of: 1

Voltage Detectors               Ncp303Aec - Q100Cut Tape
NCP300HSN09T1G


Supervisory Circuits 0.9V Detector w/Reset High
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ON Semiconductor 5693
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between Tue. 21 May to Mon. 27 May Calender.png

USD 0.2786
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)0.9 V1 InputActive High, CmosNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 85 C2 %Ncp300 Reel
MAX803SQ293D1T1G


Supervisory Circuits ANA 2.93V 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 5583
Ships to you
between Mon. 27 May to Wed. 29 May Calender.png

USD 0.2128
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 70 - 31.2 v to 4.9 V1 InputOpen Collector / DrainNo Manual ResetNo Watchdogno watchdogNo Backup3.3 ms5.5 V- 40 C+ 105 C Max803 Reel
NCP303LSN27T1G


Supervisory Circuits 2.7V 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 5545
Ships to you
between Tue. 04 Jun to Fri. 07 Jun Calender.png

USD 0.3012
Multiples of: 1

Voltage MonitorsSmd/Smt SOT - 23 - 5 TH in (TSOP - 5)2.7 V1 InputActive Low, Open DrainNo Manual ResetNo Watchdogno watchdogBackup 10 V- 40 C+ 125 C2 %Ncp303 Reel
MAX810RTRG


Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3 (TO-236)
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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 5519
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between Mon. 27 May to Wed. 29 May Calender.png

USD 0.2082
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 31.2 v to 4.9 V1 InputPush - PullNo Manual ResetNo Watchdogno watchdogNo Backup460 ms5.5 V- 40 C+ 105 C Max810 Reel
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