MCP121T-315E/LB
- Mfr.Part #
- MCP121T-315E/LB
- Manufacturer
- Microchip Technology
- Package / Case
- SC-70, SOT-323
- Datasheet
- Download
- Description
- IC SUPERVISOR 1 CHANNEL SC70-3
- Stock
- 4,786
- In Stock :
- 4,786
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Supervisors
- Operating Supply Current :
- 20μA
- Pin Count :
- 3
- Number of Pins :
- 3
- Base Product Number :
- MCP121
- Supply Current-Max (Isup) :
- 0.02 mA
- Max Supply Voltage :
- 5.5V
- Mounting Style :
- SMD/SMT
- Threshold Voltage :
- +3.08V
- Base Part Number :
- MCP121
- Overvoltage Threshold :
- 3.126V
- Qualification Status :
- Not Qualified
- Number of Voltages Monitored :
- 1
- Number of Functions :
- 1
- Package Shape :
- RECTANGULAR
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 10 Weeks
- Output Type :
- Active Low, Open Drain
- Max Reset Threshold Voltage :
- 3.126V
- Seated Height-Max :
- 1.1 mm
- Reset Delay Time :
- 120 ms
- Product Category :
- Supervisory Circuits
- Voltage - Threshold :
- 3.08V
- Packaging :
- Tape and Reel (TR)
- Supply Voltage-Min (Vsup) :
- 1 V
- Output Current :
- 10 mA
- Product Type :
- Supervisory Circuits
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Reset Timeout :
- 80ms Minimum
- Reset :
- Active Low
- Qualification :
- AEC-Q100
- Terminal Pitch :
- 0.65mm
- ECCN Code :
- EAR99
- Length :
- 2.025mm
- Min Supply Voltage :
- 1V
- Series :
- --
- Mounting Type :
- Surface Mount
- Published :
- 2005
- Minimum Operating Temperature :
- - 40 C
- Number of Terminations :
- 3
- JESD-609 Code :
- e3
- Mount :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Terminal Form :
- Gull wing
- Supply Voltage-Max (Vsup) :
- 5.5 V
- Reach Compliance Code :
- Compliant
- Power Supplies :
- 1/5.5 V
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Undervoltage Threshold :
- 3.034V
- Min Reset Threshold Voltage :
- 3.034V
- Temperature Grade :
- Automotive
- Battery Backup Switching :
- No Backup
- Number of Terminals :
- 3
- Quiescent Current :
- 1μA
- Height :
- 1 mm
- Output :
- Open Drain or Open Collector
- Operating Temperature :
- -40°C~125°C TA
- Brand :
- Microchip Technology / Atmel
- Width :
- 1.35 mm
- Terminal Position :
- Dual
- Terminal Finish :
- Matte Tin (Sn)
- Surface Mount :
- yes
- Manufacturer :
- Microchip
- RoHS :
- Details
- Pbfree Code :
- yes
- Manual Reset :
- No Manual Reset
- Product Status :
- Active
- Supplier Device Package :
- SC-70-3
- HTS Code :
- 8542.39.00.01
- Adjustable Threshold :
- No
- Number of Channels :
- 1
- Maximum Operating Temperature :
- + 125 C
- Watchdog Timer :
- No
- Max Supply Current :
- 20μA
- Analog IC - Other Type :
- POWER SUPPLY SUPPORT CIRCUIT
- JESD-30 Code :
- R-PDSO-G3
- Type :
- Simple Reset/Power-On Reset
- Peak Reflow Temperature (Cel) :
- 260
- Package / Case :
- SC-70, SOT-323
- Datasheets
- MCP121T-315E/LB

Supervisors Microchip Technology MCP121T-315E/LB Overview
The MCP121T-315E/LB by Microchip Technology is a robust Supervisory IC designed for high-reliability applications requiring precise voltage monitoring. This compact, single-channel supervisor ensures optimal operation of microcontrollers by monitoring power supplies, thus preventing system errors and failures due to unstable or inadequate supply voltages. Tailored for systems where space is at a premium and high performance is non-negotiable, this device exemplifies reliability in supervisory circuits, safeguarding your systems from unforeseen voltage drops and spikes.
MCP121T-315E/LB Features
This supervisory IC is equipped with a variety of features tailored to enhance system reliability and performance:
- Single voltage threshold of 3.15V, ideal for regulated 3.3V systems.
- Low supply current of 3 µA, minimizing the overall power consumption.
- Compact SC-70 package ensures minimal footprint on PCB layouts.
- High accuracy threshold voltage ensuring reliable voltage monitoring.
- Push-pull output configuration, which provides a quick and clear response to threshold violations.
MCP121T-315E/LB Applications
- Portable Devices: Ensures reliable system operation by monitoring the power supply, preventing data loss and operational failures.
- Automotive Electronics: Critical for ensuring that embedded systems remain within safe operational voltage levels, thus avoiding malfunctions and ensuring performance integrity.
- Medical Monitoring Equipment: Provides the necessary voltage supervision to guarantee that sensitive medical devices operate without interruption or error, crucial for patient safety.
- Communication Systems: Monitors power conditions in communication hardware to prevent system downtimes caused by unstable power supply.
- Consumer Electronics: Used in various consumer devices to enhance the reliability and stability of electronic functions.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















