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
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
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Microchip Technology Supervisory Circuits Push-Pull Low
Datasheet
4,778In 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 MCP103 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
32,215In 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
Datasheet
10,732In 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
14,971In 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
4,967In 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 Low
Datasheet
5,265In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SC70-3 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
6,459In 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
7,368In 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
1,961In 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
1,420In 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 Low
Datasheet
6,381In Stock
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 MCP131 AEC-Q100 Reel, Cut Tape, MouseReel

Microchip Technology Supervisory Circuits Open Drain
Datasheet
366In Stock
3,000Expected 05/06/2026
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 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
1,188In 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 Open Drain
Datasheet
1,708In 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
3,734In 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 Open Drain
Datasheet
5,474In 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 Low
Datasheet
2,459In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Push-Pull Low
Datasheet
3,482In 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
3,163In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Voltage Supervisory SMD/SMT SOT-23B-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 Open Drain
Datasheet
1,462In 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
1,514In 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
207In 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