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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	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	Series	Qualification	Packaging
Supervisory Circuits Open Drain MCP111T-475E/TT Microchip Technology 1: Rp8.256 3.571In Stock	Mfr. Part No. MCP111T-475E/TT Mouser Part No 579-MCP111T-475E/TT	Microchip Technology	Supervisory Circuits Open Drain Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	3.571In Stock	Cut Tape Rp8.256 Rp6.788 Reel Rp6.238 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
Supervisory Circuits 1uA Sup P-P Act Low MCP112-195I/TO Microchip Technology 1: Rp11.741 819In Stock	Mfr. Part No. MCP112-195I/TO Mouser Part No 579-MCP112-195I/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	819In Stock	Rp11.741 Rp9.723 Rp8.990	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
Supervisory Circuits 1uA Sup P-P Act Low MCP112-240E/TO Microchip Technology 1: Rp11.741 1.811In Stock	Mfr. Part No. MCP112-240E/TO Mouser Part No 579-MCP112-240E/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.811In Stock	Rp11.741 Rp9.723 Rp8.990	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
Supervisory Circuits 1uA Sup P-P Act Low MCP112-270E/TO Microchip Technology 1: Rp11.741 1.543In Stock	Mfr. Part No. MCP112-270E/TO Mouser Part No 579-MCP112-270E/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.543In Stock	Rp11.741 Rp9.723 Rp8.990	Min.: 1 Mult.: 1	Voltage Detector	Through Hole	TO-92-3	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	Bulk
Supervisory Circuits 1uA Sup P-P Act Low MCP112-300E/TO Microchip Technology 1: Rp11.741 1.608In Stock	Mfr. Part No. MCP112-300E/TO Mouser Part No 579-MCP112-300E/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.608In Stock	Rp11.741 Rp9.723 Rp8.990	Min.: 1 Mult.: 1	Voltage Detector	Through Hole	TO-92-3	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	Bulk
Supervisory Circuits 1uA Sup P-P Act Low MCP112-315E/TO Microchip Technology 1: Rp11.741 961In Stock	Mfr. Part No. MCP112-315E/TO Mouser Part No 579-MCP112-315E/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	961In Stock	Rp11.741 Rp9.723 Rp8.990	Min.: 1 Mult.: 1	Voltage Detector	Through Hole	TO-92-3	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	Bulk
Supervisory Circuits Push-Pull Low MCP112T-195I/TT Microchip Technology 1: Rp11.008 1.273In Stock	Mfr. Part No. MCP112T-195I/TT Mouser Part No 579-MCP112T-195I/TT	Microchip Technology	Supervisory Circuits Push-Pull Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.273In Stock	Cut Tape Rp11.008 Rp9.173 Reel Rp8.439 MouseReel Available	Min.: 1 Mult.: 1 : 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
Supervisory Circuits 1uA Sup P-P Act Low MCP112T-300E/LB Microchip Technology 1: Rp11.008 1.382In Stock	Mfr. Part No. MCP112T-300E/LB Mouser Part No 579-MCP112T-300E/LB	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.382In Stock	Cut Tape Rp11.008 Rp9.173 Reel Rp8.439 MouseReel Available	Min.: 1 Mult.: 1 : 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
Supervisory Circuits Open Drain Low MCP121-300E/TO Microchip Technology 1: Rp9.723 807In Stock	Mfr. Part No. MCP121-300E/TO Mouser Part No 579-MCP121-300E/TO	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	807In Stock	Rp9.723 Rp8.072 Rp7.338	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	MCP121	AEC-Q100	Bulk
Supervisory Circuits Open Drain Low MCP121-450E/TO Microchip Technology 1: Rp9.723 1.480In Stock	Mfr. Part No. MCP121-450E/TO Mouser Part No 579-MCP121-450E/TO	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.480In Stock	Rp9.723 Rp8.072 Rp7.338	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	MCP121	AEC-Q100	Bulk
Supervisory Circuits Open Drain Low MCP121-475E/TO Microchip Technology 1: Rp9.723 257In Stock	Mfr. Part No. MCP121-475E/TO Mouser Part No 579-MCP121-475E/TO	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	257In Stock	Rp9.723 Rp8.072 Rp7.338	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
Supervisory Circuits Open Drain Low MCP121T-195I/TT Microchip Technology 1: Rp9.723 3.099In Stock	Mfr. Part No. MCP121T-195I/TT Mouser Part No 579-MCP121T-195I/TT	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	3.099In Stock	Cut Tape Rp9.723 Rp8.072 Reel Rp7.338 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	MCP121	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits Open Drain Low MCP121T-270E/TT Microchip Technology 1: Rp9.723 3.345In Stock	Mfr. Part No. MCP121T-270E/TT Mouser Part No 579-MCP121T-270E/TT	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	3.345In Stock	Cut Tape Rp9.723 Rp8.072 Reel Rp7.338 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Voltage Supervisory	SMD/SMT	SOT-23-3	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	Reel, Cut Tape, MouseReel
Supervisory Circuits Open Drain Low MCP121T-315E/LB Microchip Technology 1: Rp9.723 1.539In Stock 6.000Expected 29/10/2026	Mfr. Part No. MCP121T-315E/LB Mouser Part No 579-MCP121T-315E/LB	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.539In Stock 6.000Expected 29/10/2026	Cut Tape Rp9.723 Rp8.072 Reel Rp7.338 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	MCP121	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits Open Drain Low MCP121T-475E/LB Microchip Technology 1: Rp9.723 2.161In Stock	Mfr. Part No. MCP121T-475E/LB Mouser Part No 579-MCP121T-475E/LB	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	2.161In Stock	Cut Tape Rp9.723 Rp8.072 Reel Rp7.338 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Voltage Supervisory	SMD/SMT	SC70-3	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
Supervisory Circuits Open Drain Low MCP121T-475E/TT Microchip Technology 1: Rp9.723 4.048In Stock	Mfr. Part No. MCP121T-475E/TT Mouser Part No 579-MCP121T-475E/TT	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	4.048In Stock	Cut Tape Rp9.723 Rp8.072 Reel Rp7.338 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	MCP121	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits ACTIVE LO OPEN DRAIN W/INT 4.7K PULL UP MCP1316MT-29KE/OT Microchip Technology 1: Rp10.824 2.843In Stock 6.000Expected 25/01/2027	Mfr. Part No. MCP1316MT-29KE/OT Mouser Part No 579-MCP1316MT29KE/OT	Microchip Technology	Supervisory Circuits ACTIVE LO OPEN DRAIN W/INT 4.7K PULL UP Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	2.843In Stock 6.000Expected 25/01/2027	Cut Tape Rp10.824 Rp8.990 Reel Rp8.256 MouseReel Available	Min.: 1 Mult.: 1 : 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
Supervisory Circuits Open Drain Low MCP131T-195I/TT Microchip Technology 1: Rp13.209 883In Stock 3.000Expected 02/11/2026	Mfr. Part No. MCP131T-195I/TT Mouser Part No 579-MCP131T-195I/TT	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	883In Stock 3.000Expected 02/11/2026	Cut Tape Rp13.209 Rp11.008 Reel Rp9.907 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
Supervisory Circuits Open Drain Low MCP131T-270E/LB Microchip Technology 1: Rp13.209 2.993In Stock	Mfr. Part No. MCP131T-270E/LB Mouser Part No 579-MCP131T-270E/LB	Microchip Technology	Supervisory Circuits Open Drain Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	2.993In Stock	Cut Tape Rp13.209 Rp11.008 Reel Rp9.907 MouseReel Available	Min.: 1 Mult.: 1 : 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
Supervisory Circuits Push-Pull Low MCP102T-450E/TT Microchip Technology 1: Rp13.209 239In Stock	Mfr. Part No. MCP102T-450E/TT Mouser Part No 579-MCP102T-450E/TT	Microchip Technology	Supervisory Circuits Push-Pull Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	239In Stock	Cut Tape Rp13.209 Rp11.008 Reel Rp9.907 MouseReel Available	Min.: 1 Mult.: 1 : 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	MCP102	AEC-Q100	Reel, Cut Tape, MouseReel
Supervisory Circuits Push-Pull Low MCP103T-450E/LB Microchip Technology 1: Rp13.209 1.088In Stock	Mfr. Part No. MCP103T-450E/LB Mouser Part No 579-MCP103T-450E/LB	Microchip Technology	Supervisory Circuits Push-Pull Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.088In Stock	Cut Tape Rp13.209 Rp11.008 Reel Rp9.907 MouseReel Available	Min.: 1 Mult.: 1 : 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
Supervisory Circuits Push-Pull Low MCP103T-450E/TT Microchip Technology 1: Rp13.209 1.830In Stock	Mfr. Part No. MCP103T-450E/TT Mouser Part No 579-MCP103T-450E/TT	Microchip Technology	Supervisory Circuits Push-Pull Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.830In Stock	Cut Tape Rp13.209 Rp11.008 Reel Rp9.907 MouseReel Available	Min.: 1 Mult.: 1 : 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
Supervisory Circuits 1uA Sup P-P Act Low MCP112-290E/TO Microchip Technology 1: Rp11.741 219In Stock	Mfr. Part No. MCP112-290E/TO Mouser Part No 579-MCP112-290E/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	219In Stock	Rp11.741 Rp9.723 Rp8.990	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
Supervisory Circuits 1uA Sup P-P Act Low MCP112-450E/TO Microchip Technology 1: Rp11.741 496In Stock	Mfr. Part No. MCP112-450E/TO Mouser Part No 579-MCP112-450E/TO	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	496In Stock	Rp11.741 Rp9.723 Rp8.990	Min.: 1 Mult.: 1	Voltage Detector	Through Hole	TO-92-3	4.38 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
Supervisory Circuits 1uA Sup P-P Act Low MCP112T-315E/TT Microchip Technology 1: Rp11.008 1.173In Stock 3.000Expected 05/11/2026	Mfr. Part No. MCP112T-315E/TT Mouser Part No 579-MCP112T-315E/TT	Microchip Technology	Supervisory Circuits 1uA Sup P-P Act Low Learn More about Microchip Technology microchip mcp11x voltage detectors	Datasheet	1.173In Stock 3.000Expected 05/11/2026	Cut Tape Rp11.008 Rp9.173 Reel Rp8.439 MouseReel Available	Min.: 1 Mult.: 1 : 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

MCP11x Micropower Voltage Detectors

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