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
1,227In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Detector SMD/SMT SC70-3 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 Low
Datasheet
1,147In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 2.63 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 Bulk
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
810In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits 1uA Sup Push-Pull Act Low
Datasheet
1,997In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Voltage Supervisory SMD/SMT SOT-89-3 3.08 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP112 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1,145In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
720In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 1.9 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 85 C MCP121 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits Open Drain
Datasheet
1,464In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
1,614In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 2.63 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP131 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
807In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 MCP131 AEC-Q100 Bulk

Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
429In 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 MCP131 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
1,682In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 2.93 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP131 AEC-Q100 Bulk
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
1,169In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 4.38 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP131 AEC-Q100 Bulk

Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
3,294In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Detector SMD/SMT SOT-23-3 2.93 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 Push-Pull Low
Datasheet
1,963In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1,930In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

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

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
2,145In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 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
3,869In 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 MCP102 AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Open Drain
Datasheet
5,346In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
6,029In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
10,847In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Datasheet
5,057In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 Low
Datasheet
6,982In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 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 Open Drain Low
Datasheet
8,537In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 3.08 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 Open Drain Low
Datasheet
14,524In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 3.08 V 1 Input Active Low, Open Drain No Manual Reset No Watchdog No Backup 120 ms 5.5 V - 40 C + 125 C MCP131 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
6,440In Stock
3,000Expected 2026/03/20
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 MCP102 AEC-Q100 Reel, Cut Tape, MouseReel