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MCP121T-300E/TT
Supervisor, Active-Low, Open-Drain Reset, 1V-5.5Vin, SOT-23B3
Image is for illustrative purposes only. Please refer to product description.
ManufacturerMICROCHIP
Manufacturer Part NoMCP121T-300E/TTCopy
Manufacturer Standard Lead Time13 weeks
Order Code
Re-Reel1834868RL
Cut Tape1834868
Your Part Number
9,137 In Stock
Need more?
9,137 Delivery in 5-6 Business Days(UK stock)
Packaging Options
| Packaging Type | Quantity | Unit Price: | Total |
|---|---|---|---|
| Cut Tape | 1 | CNY4.050 | CNY4.05 |
Cut Tape & Re-Reel
| Quantity | Price (inc GST) |
|---|---|
| 1+ | CNY4.050 (CNY4.5765) |
| 25+ | CNY3.360 (CNY3.7968) |
| 100+ | CNY3.060 (CNY3.4578) |
| 3000+ | CNY3.000 (CNY3.390) |
Line Note
Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
Product Information
- ManufacturerMICROCHIPManufacturer Part NoMCP121T-300E/TTCopyManufacturer Standard Lead Time13 weeksOrder CodeRe-Reel1834868RLCut Tape1834868Technical DatasheetReset Threshold Voltage - Min-Reset Threshold Voltage - Nom2.93VNo. of Monitored Voltages1MonitorsSupply Voltage Min1VSupply Voltage Max5.5VReset Output TypeActive-Low, Open-DrainIC Case / PackageSOT-23BNo. of Pins3PinsIC MountingSurface MountDelay Time120msOperating Temperature Min-40°COperating Temperature Max125°CProduct Range-Qualification-SVHCNo SVHC (04-Feb-2026)Automotive Qualification Standard-Digital IC CaseSOT-23BThreshold Voltage2.93V
Product Overview
The MCP121T-300E/TT is a MicroPower Voltage Supervisor with active-low open-drain output. It is designed to keep a microcontroller in reset until the system voltage has reached and stabilized at the proper level for reliable system operation.
- Resets microcontroller in a power-loss event
- 1.75μA Ultra-low supply current (steady-state maximum)
Applications
Computers & Computer Peripherals, Sensing & Instrumentation, Portable Devices
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Technical Specifications
- Reset Threshold Voltage - Min
-
No. of Monitored Voltages1Monitors
Supply Voltage Max5.5V
IC Case / PackageSOT-23B
IC MountingSurface Mount
Operating Temperature Min-40°C
Product Range-
MSLMSL 1 - Unlimited
Automotive Qualification Standard-
Threshold Voltage2.93V
Reset Threshold Voltage - Nom2.93V
Supply Voltage Min1V
Reset Output TypeActive-Low, Open-Drain
No. of Pins3Pins
Delay Time120ms
Operating Temperature Max125°C
Qualification-
SVHCNo SVHC (04-Feb-2026)
Digital IC CaseSOT-23B
Legislation and Environmental
- Country of Origin:
Country in which last significant manufacturing process was carried outCountry of Origin:United States
Country in which last significant manufacturing process was carried outTariff No:85423990US ECCN:EAR99EU ECCN:NLRRoHS Compliant:YesRoHS
RoHS Phthalates Compliant:YesRoHS
SVHC:No SVHC (04-Feb-2026)Download Product Compliance CertificateProduct Compliance Certificate
Weight (kg):.000033