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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Qty. RoHS ECAD Model Type
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Package / Case
Threshold Voltage
Number of Inputs Monitored
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Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
14,362In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Open Drain Low
Datasheet
4,957In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 MCP131 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
12,590In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Detector SMD/SMT SC70-3 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 Low
Datasheet
31,445In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SC-70-3 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 MCP121 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
5,889In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 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 MCP131 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
9,459In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Detector SMD/SMT SC70-3 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 Push-Pull Low
Datasheet
5,611In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SC70-3 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 Low
Datasheet
7,299In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SC70-3 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
1,877In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1,120In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 1uA Sup Push-Pull Act Low
Datasheet
1,997In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
1,700In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1,941In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SC-70-3 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
1,410In Stock
Min.: 1
Mult.: 1

Voltage Detector Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits Open Drain
Datasheet
1,447In 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
Datasheet
1,986In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Low
Datasheet
95In Stock
1,000Expected 9/11/2026
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
246In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Push-Pull Low
Datasheet
661In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 MCP102 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
3,340In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Push-Pull Low
Datasheet
1,960In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk
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