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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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Type
Mounting Style
Package/Case
Threshold Voltage
Number of Inputs Monitored
Output Type
Manual Reset
Watchdog Timers
Battery Backup Switching
Reset Delay Time
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
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Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
1,594In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
1,610In Stock
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk
Microchip Technology Supervisory Circuits ACTIVE LO OPEN DRAIN W/INT 4.7K PULL UP
Datasheet
2,389In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-5 2.9 V 1 Input Active Low, Open Drain Manual Reset Watchdog No Backup 200 ms 5.5 V - 40 C + 125 C MCP131 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
852In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 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 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
2,573In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 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 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits Open Drain Low
Datasheet
3,344In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 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 Reel, Cut Tape, MouseReel
Microchip Technology Supervisory Circuits 1uA Sup P-P Act Low
Datasheet
392In Stock
3,000Expected 27/04/2026
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 Open Drain Low
Datasheet
2,193In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 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 MCP121 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
1,789In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 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 1uA Sup P-P Act Low
Datasheet
1,382In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Detector SMD/SMT SC-70-3 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 1uA Sup P-P Act Low
Datasheet
2,477In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Voltage Detector SMD/SMT SOT-23-3 3.08 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
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 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 Bulk

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 2.32 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP102 AEC-Q100 Reel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Voltage Supervisory SMD/SMT SC-70-3 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

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 4.38 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP102 AEC-Q100 Reel
Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 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 MCP103 AEC-Q100 Reel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Voltage Supervisory SMD/SMT SOT-23-3 2.32 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP103 AEC-Q100 Reel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 3.08 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP103 AEC-Q100 Reel

Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Voltage Supervisory SMD/SMT SC70-3 4.63 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP103 AEC-Q100 Reel
Microchip Technology Supervisory Circuits Open Drain
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1

Voltage Supervisory Through Hole TO-92-3 3.08 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Bulk

Microchip Technology Supervisory Circuits Open Drain
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Voltage Detector SMD/SMT SOT-89-3 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 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Voltage Supervisory SMD/SMT SOT-89-3 2.63 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Voltage Supervisory SMD/SMT SOT-89-3 2.9 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Voltage Supervisory SMD/SMT SOT-89-3 2.93 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
Non-Stocked Lead-Time 8 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Voltage Supervisory SMD/SMT SOT-89-3 4.63 V 1 Input No Manual Reset No Watchdog 5.5 V - 40 C + 125 C MCP111 AEC-Q100 Reel, Cut Tape, MouseReel