MCP121T-195I/TT The Microchip Technology MCP121T-195I/TT is a voltage supervisor IC with a 1.9V threshold and active-low reset. It features an open-drain output and is supplied in a SOT-23-3 package.
Mfr Part #:

MCP121T-195I/TT

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP121T-195I/TT is a voltage supervisor IC with a 1.9V threshold and active-low reset. It features an open-drain output and is supplied in a SOT-23-3 package.
✓ Total Stock: 335 pcs
$ Price Range: $0.75

MCP121T-195I/TT Available from 1 distributor

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335 pcs
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MCP121T-195I/TT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Supply Current
Type
Voltage

MCP121T-195I/TT Description

Short technical summary and product information.

The MCP121T-195I/TT from Microchip Technology is a voltage supervisor designed for critical microcontroller power-monitoring applications. It ensures a microcontroller remains in reset until the system voltage stabilizes at a proper operating level.

 

This device features a precise 1.9V voltage threshold and an active-low, open-drain reset output. It includes a reset timeout of 80ms minimum. The supervisor operates with ultra-low supply current, making it suitable for battery-powered equipment.

 

Available in a compact SOT-23-3 surface-mount package, the MCP121T-195I/TT is designed for industrial temperature ranges from -40°C to 85°C. Its robust design and essential monitoring capabilities make it a reliable choice for embedded systems requiring stable power-on sequencing.

 

Applications include computers, intelligent instruments, and portable battery-powered devices where maintaining system integrity during power fluctuations is crucial.

MCP121T-195I/TT Quick Information

Product Type: Voltage Supervisor
Canonical Name: MCP121T-195I/TT Voltage Supervisor
Subcategory: PMIC - Supervisors

MCP121T-195I/TT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-free Devices

MCP121T-195I/TT Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCP121T-195I/TT Features

  • Monitors a single voltage level at 1.9V.
  • Provides active-low, open-drain reset output.
  • Features an 80ms minimum reset timeout.
  • Operates from -40°C to 85°C.
  • Ultra-low supply current of 1.75 µA.

MCP121T-195I/TT Applications

  • Essential for microcontroller power monitoring.
  • Suitable for portable battery-powered devices.
  • Used in intelligent instrument applications.
  • Ensures system stability during power events.

MCP121T-195I/TT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply current of the MCP121T-195I/TT?

The maximum steady-state supply current is 1.75 µA.

What is the reset delay of the MCP121T-195I/TT?

The typical reset delay is 120 ms, with a minimum of 80 ms.

What is the operating temperature range of the MCP121T-195I/TT?

The operating temperature range is -40°C to +125°C.

What is the voltage threshold of the MCP121T-195I/TT?

The nominal voltage threshold is 1.9V.

What package is the MCP121T-195I/TT available in?

The device is available in a surface-mount SOT-23-3 package.

What is the output type of the MCP121T-195I/TT?

The output is active-low, open-drain.

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