About Supervisory Circuits

Nisshinbo 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
  
                       
R3121N050E-TR-KE


Supervisory Circuits 36V Input Volt Detr wRelease Delay Func
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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 2967
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USD 1.1812
Multiples of: 1

                  Cut Tape
R3111N452A-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 2962
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USD 0.2714
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 34.5 V1 InputCmos, Open DrainNo Manual Reset no watchdogBackup-10 V- 40 C+ 85 C2 %R3111n Cut Tape
R3154N205A-TR-R


Supervisory Circuits 42V Input Window Voltage Detector with Diagnostic Function for Automotive Applications
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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 2958
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USD 1.7204
Multiples of: 1

Voltage DetectorsSMD/SMT SOT - 23 - 61.08 V1 InputOpen DrainNo Manual Reset No WatchdogNo Backup4 ms42 V- 40 C+ 125 C0.75 %R3154N - R Reel , Cut Tape
R3154N206A-TR-R


Supervisory Circuits 42V Input Window Voltage Detector with Diagnostic Function for Automotive Applications
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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 2953
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USD 1.656
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Voltage DetectorsSMD/SMT SOT - 23 - 6870 mV1 InputOpen DrainNo Manual Reset No WatchdogNo Backup4 ms42 V- 40 C+ 125 C0.75 %R3154N - R Reel , Cut Tape
R3111Q431B-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 2923
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USD 0.2701
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 82AB - 44.3 V1 InputCmos, Open DrainNo Manual Reset no watchdogBackup 10 V- 40 C+ 85 C2 %R3111q Reel
R3111Q331C-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 2910
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USD 0.2311
Multiples of: 1

Voltage SupervisorySmd/Smt SC - 82AB - 43.3 V1 InputCmosNo Manual Reset no watchdogBackup 10 V- 40 C+ 85 C2 %R3111q Cut Tape
R3111N431C-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 2910
Ships to you
between Tue. 28 May to Thu. 30 May Calender.png

USD 0.2352
Multiples of: 1

Voltage SupervisorySmd/Smt SOT - 23 - 54.3 V1 InputCmosNo Manual Reset no watchdogBackup-10 V- 40 C+ 85 C2 %R3111n Reel
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 2910
Ships to you
between Tue. 28 May to Thu. 30 May Calender.png

USD 0.2387
Multiples of: 1

 Smd/Smt SC - 82AB - 43 V1 InputActive Low, CmosNo Manual Reset no watchdogNo Backup   + 85 C R3111q 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 2910
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USD 0.252
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
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 2910
Ships to you
between Tue. 28 May to Thu. 30 May Calender.png

USD 0.2652
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
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