Manufacturer: Microchip Technology
Win Source Part Number: 1220891-MCP121T-240E
Packaging: Reel
Type: Simple Reset/Power-On Reset
Mounting Style: SMD
Output: Open Drain or Open Collector
Reset: Active Low
Number of Voltages Monitored: 1
Reset Timeout: 80ms Minimum
Voltage - Threshold: 2.32V
Family Name: MCP121
Categories: Integrated Circuits
Supplier Device Package: SOT-23-3
Temperature Range - Operating: -40°C ~ 125°C
Manufacturer Homepage: www.microchip.com
Manufacturer Package: TO-236-3, SC-59, SOT-23-3
Alternative Parts (Cross-Reference): EM6353BY1SP3B-2.2; EM6353AY1SP3B-2.2; EM6353BY1SP3B-2.2+; EM6353AY1SP3B-2.2+;
Introduction Date: September 28, 2004
ECCN: EAR99
Country of Origin: Thailand
Estimated EOL Date: 2027
Halogen Free: Not Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 65 pct.
Supply and Demand Status: Balance
Family Part Number: MCP121
Manufacturer Pack Quantity: 1
MSL Level: 1 (Unlimited)
1uA Supervisor Open Drain Active Low
Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
IC SUPERVISOR 1 CHANNEL SOT23-3 Product overview: MCP121T-240E/TT from Microchip Technology is a Voltage Supervisor IC for reset control, voltage monitoring, brownout detection, power sequencing, and reliable embedded system startup. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SOT23. Search-friendly keywords include voltage supervisor, reset IC, power monitoring, brownout detection, SOT23, Voltage Supervisor IC, Supervisors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 691-MCP121T-240E/TT can be used for catalog matching and distributor lookup.
Supervisory Circuits Open Drain Low
Supervisor Open Drain or Open Collector 1 Channel SOT-23-3
IC,VOLT DET, 1 uA, 5.5V, 3-SOT-23; Threshold Voltage:2.32V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:1V; Supply Voltage Max:5.5V; Reset Type:Active-Low, Open-Drain; Digital IC Case:SOT-23B; No. of Pins:3Pins RoHS Compliant: Yes
VOLTAGE DETECTOR, 1 uA, 5.5V, 3-SOT-23; Threshold Voltage:2.32V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:1V; Supply Voltage Max:5.5V; Reset Type:Active-Low, Open-Drain; Digital IC Case:SOT-23B; No. of Pins:3Pins RoHS Compliant: Yes
IC, SUPERVISOR, 2.32V, LOW, SOT-23B; Threshold Voltage:2.32V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:1V; Supply Voltage Max:5.5V; Reset Type:Active-Low, Open-Drain; Digital IC Case:SOT-23B; No. of Pins:3Pins; RoHS Compliant: Yes
IC SUPERVISOR 1 CHANNEL SOT23-3
IC SUPERVISOR 1 CHANNEL SOT23-3
| Win Source Electronics | RS Components, Ltd. | DigiKey | ERSAELECTRONICS PTE. LTD. | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips | Supervisory Circuits and Battery Monitor Chips |
| Product Number | 1220891-MCP121T-240E/TT | 649467 | MCP121T-240E/TTTR-ND | 691-MCP121T-240E/TT | MCP121T-240E/TT | MCP121T-240E/TT | 31T1314 | MCP121T-240E/TT | MCP121T-240E/TT |
| Product Name | PMIC - PMIC - Supervisors - MCP121T-240E/TT | Voltage Supervisors | Supervisors | SOT23 Voltage Supervisor IC | Supervisory Circuits | Supervisors | Ic,volt Det, 1 Ua, 5.5V, 3-Sot-23; Threshold Voltage Microchip | Integrated Circuits (ICs) - Power Management (PMIC) - Supervisors | PMIC - Supervisors |
| Number of Supplies | 1; 1 | 1 | 1 | 1; 1Monitors | 1; 1 | ||||
| Output Options | Open Drain; Inverting; Active Low | Open Drain; Open Drain, Push Pull | Open Drain; Active Low | Open Drain | Open Drain; Open Drain or Open Collector | ||||
| Threshold | 2.32 volts | 2.32 volts | 2.32 volts | 2.32 volts | 2.32 volts | 2.32 volts | |||
| Operating Temperature | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 C (-40 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | |||
| Type | SOT-23; SOT-23 | SOT-23; TO-236-3, SC-59, SOT-23-3 | Tape & Reel (TR) | TO-236-3, SC-59, SOT-23-3 | SOT-23; TO-236-3, SC-59, SOT-23-3 |
