NCT72DMTR2G Equivalent & Substitute Parts

Part Overview

The NCT72DMTR2G is a digital temperature sensor manufactured by onsemi, designed for local and remote temperature monitoring applications. It operates across a -40°C to 125°C local sensing range with remote sensing capability from -64°C to 191°C. The device communicates via I2C/SMBus interface and is housed in an 8-WDFN (2x2) surface mount package.

The NCT72DMTR2G is classified as obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this component.

Substiute Parts

NCT72DMTR2G

onsemiIn Stock: 6668NCT72DMTR2G Datasheet

Current PartRFQ

NCT72CMTR2G

onsemiIn Stock: 63397NCT72CMTR2G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NCT72DMTR2G is determined by strict equivalence across the following critical parameters:

• Sensor Type: Digital, Local/Remote configuration
• Local Sensing Temperature Range: -40°C ~ 125°C
• Remote Sensing Temperature Range: -64°C ~ 191°C
• Output Interface: I2C/SMBus protocol
• Supply Voltage: 2.8V ~ 3.6V
• Resolution: 8 bit
• Accuracy Specification: ±2.5°C within -20°C ~ 110°C test condition
• Package: 8-WDFN (2x2) surface mount
• Functional Features: One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode

Parts meeting all these parameters are classified as direct equivalents and may be substituted without design modification.

Parameter Comparison

Engineering Selection Recommendations

The NCT72CMTR2G is a direct functional equivalent to the NCT72DMTR2G. Both components share identical electrical specifications, thermal operating ranges, communication protocols, and package configurations. The primary distinction is product status: the NCT72DMTR2G is obsolete while the NCT72CMTR2G maintains active status.

Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs and production continuity. The NCT72CMTR2G is available in Tape & Reel packaging format, supporting automated assembly processes.

For applications currently specified with NCT72DMTR2G, the NCT72CMTR2G provides equivalent performance without design modification or re-qualification requirements.

Frequently Asked Questions (FAQ)

Q: Can NCT72CMTR2G replace NCT72DMTR2G in existing designs?

A: Yes. Both components are electrically and mechanically identical across all specified parameters. No circuit design changes are required.

Q: What is the difference between NCT72DMTR2G and NCT72CMTR2G?

A: The components are functionally equivalent. The primary difference is packaging format: NCT72DMTR2G uses standard packaging while NCT72CMTR2G is supplied in Tape & Reel format. Additionally, NCT72CMTR2G maintains active product status while NCT72DMTR2G is obsolete.

Q: Are there any thermal or accuracy differences between these parts?

A: No. Both components specify identical accuracy (±2.5°C), local sensing range (-40°C ~ 125°C), remote sensing range (-64°C ~ 191°C), and operating temperature specifications.

Q: Do both parts support the same I2C/SMBus communication protocol?

A: Yes. Both NCT72DMTR2G and NCT72CMTR2G implement identical I2C/SMBus interface specifications with 8-bit resolution output.

Q: Are there supply voltage or power consumption differences?

A: No. Both components operate on identical 2.8V ~ 3.6V supply voltage specifications.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes. Both components use the same 8-WDFN (2x2) surface mount package. No PCB layout modifications are necessary for substitution.