INA139NA/3KG4 The Texas Instruments INA139NA/3KG4 is a high-side current monitor IC with a voltage range of 2.7V to 40V. It offers ±0.5% accuracy and operates within a temperature range of -40°C to 125°C.
Mfr Part #:

INA139NA/3KG4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA139NA/3KG4 is a high-side current monitor IC with a voltage range of 2.7V to 40V. It offers ±0.5% accuracy and operates within a temperature range of -40°C to 125°C.
✓ Total Stock: 24,107 pcs
$ Price Range: $0.75

INA139NA/3KG4 Available from 1 distributor

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INA139NA/3KG4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Function
Mounting Type
Operating Temperature
Sensing Method
Supplier Device Package
Voltage

INA139NA/3KG4 Description

Short technical summary and product information.

The Texas Instruments INA139NA/3KG4 is an integrated circuit designed for current monitoring applications. It operates with a wide voltage range from 2.7V to 40V, making it suitable for various power management systems.

 

This current monitor IC boasts an accuracy of ±0.5%, ensuring precise measurements. It is housed in a compact SOT-23-5 package, designed for surface mount installation. The device operates reliably within an ambient temperature range of -40°C to 125°C (TA).

 

Key features include high-side sensing, enabling efficient monitoring of current flow. Its robust design and specifications make it a valuable component for applications requiring accurate current measurement and management within its operating parameters.

INA139NA/3KG4 Quick Information

Product Type: Current Monitor IC
Canonical Name: Texas Instruments INA139NA/3KG4 Current Monitor
Subcategory: Power Management

INA139NA/3KG4 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

INA139NA/3KG4 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

INA139NA/3KG4 Features

  • High-side current monitor IC.
  • Wide 2.7V to 40V operating voltage.
  • Accurate ±0.5% measurement.
  • Operates from -40°C to 125°C.
  • Surface mount SOT-23-5 package.

INA139NA/3KG4 Applications

  • Ideal for power supply monitoring.
  • Suitable for battery charge control.
  • Used in motor drive systems.
  • Applicable in test and measurement equipment.

INA139NA/3KG4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the INA139NA/3KG4?

2.7V to 40V.

What is the package type?

SOT-23-5 (also SC-74A, SOT-753).

What is the operating temperature range?

-40°C to 125°C.

What is the accuracy of the current monitor?

±0.5%.

Is it a high-side or low-side current monitor?

High-side.

What is the function of the device?

Current Monitor.

What mounting type is used?

Surface Mount.

INA139NA/3KG4 Alternate Parts

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