MCP11x Micropower Voltage Detectors

Microchip Technology MCP1x Micropower Voltage Detectors are designed to keep a microcontroller at rest until the system voltage has reached and stabilized. This result in appropriate level for reliable system operation. The MCP1x micropower voltage detectors are available in MCP102, MCP103, MCP121, MCP131, MCP111, and MCP112 variants. These MCP1x detectors are available in 8 different trip voltages. The devices come in SC-70, SOT-23, TO-92, SOT-143, and SOIC packages in various pin configurations. Typical applications include critical μC and μP power-monitoring applications, computers, intelligent instruments, and portable battery-powered equipment.

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Number of Inputs Monitored
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Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
5.173In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 4.63 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP121 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.887In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 4.38 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP102 AEC-Q100 Bulk

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.705In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 2.32 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP102 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
3.033In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SOT-23B-3 2.63 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP102 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.879In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 3.08 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP102 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
3.726In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 1.9 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 85 C MCP103 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.372In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SC70-3 2.32 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP103 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.195In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 4.63 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP103 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Open Drain
Datasheet
1.788In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 2.32 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits Open Drain
Datasheet
1.164In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 4.38 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits Open Drain
Datasheet
1.688In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 4.63 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Bulk

Microchip Technology Supervisory Circuits Open Drain
Datasheet
3.322In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 1.9 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 85 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Open Drain
Datasheet
4.033In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 3.08 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
39In Stock
3.000Expected 19/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SC70-3 4.38 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
1.996In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Voltage Detector SMD/SMT SOT-89-3 4.38 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
2.202In Stock
3.000Expected 26/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SC-70-3 4.63 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
4.649In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 4.63 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
1.826In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 2.32 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
249In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 2.9 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
2.103In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 1.9 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 85 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
1.865In Stock
3.000Expected 16/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 2.32 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
1.296In Stock
3.000Expected 01/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 2.63 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
392In Stock
3.000Expected 20/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SC-70-3 2.9 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
1.155In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 2.9 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
1.070In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Voltage Detector SMD/SMT SOT-23-3 4.63 V 1 Input Active Low, Push-Pull No Manual Reset No Watchdog No Backup 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel