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
Datasheet
6.009In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Detector SMD/SMT SC70-3 2.9 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
7.319In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Detector SMD/SMT SOT-23-3 2.9 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 Low
Datasheet
10.955In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Supervisory SMD/SMT SC70-3 2.32 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
1.412In 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
3.014In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 MCP102 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.284In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
2.479In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Supervisory SMD/SMT SC-70-3 2.93 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
3.532In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
1.517In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Supervisory SMD/SMT SC-70-3 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 MCP103 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
3.132In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 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 MCP103 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1.496In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Supervisory SMD/SMT SOT-23-3 2.93 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
1.784In 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
952In 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
1.545In 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
5.242In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Detector SMD/SMT SOT-23-3 2.63 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
4.037In Stock
6.000Expected 28/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Detector SMD/SMT SOT-23-3 2.93 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
4.648In Stock
6.000Expected 18/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Detector SMD/SMT SC70-3 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
900In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Voltage Detector SMD/SMT SOT-89-3 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
3.298In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
1.961In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
3.262In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Voltage Detector SMD/SMT SOT-23-3 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
4.854In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
3.571In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
819In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
1.811In 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