LM71CIMF Temperature Sensor Equivalent & Substitute Parts Reference

Part Overview

Texas Instruments LM71CIMF is a digital, local temperature sensor categorized under Temperature Sensors. The device operates over a wide temperature range of -40°C to 150°C, features an SPI output, 13-bit resolution, and is provided in a SOT-23-5 package (SC-74A, SOT-753). Its part status is "Not For New Designs," making it necessary to identify alternative models for ongoing or new design requirements, lifecycle planning, and compliance considerations.

Substiute Parts

LM71CIMF

Texas InstrumentsIn Stock: 1381LM71CIMF Datasheet

Current PartRFQ

LM71CIMF/NOPB

Texas InstrumentsIn Stock: 2151LM71CIMF/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for LM71CIMF is limited strictly to parts matching the following parameters: sensor type (Digital, Local), sensing temperature range (-40°C to 150°C), output type (SPI), voltage supply (2.65V ~ 5.5V), resolution (13 b), accuracy (1.5°C (-2°C, 3°C)), features (Shutdown Mode), mounting type (Surface Mount), and packaging (SOT-23-5, SC-74A, SOT-753). Compliance status (RoHS, REACH), moisture sensitivity level, and part approval status are also considered as critical selection criteria.

Parameter Comparison

Engineering Selection Recommendations

LM71CIMF is listed as "Not For New Designs" with RoHS non-compliant and REACH affected status. The direct substitute LM71CIMF/NOPB matches all critical electrical and mechanical parameters and is ROHS3 compliant and REACH unaffected. LM71CIMF/NOPB is categorized as "Obsolete." Where compliance with environmental regulations is required, and only available part status allows, LM71CIMF/NOPB may be considered.

Frequently Asked Questions (FAQ)

Q1: Which parameters must be identical for a substitute in this category?
A1: Substitution requires identical sensor type, sensing temperature range, output type, voltage supply, resolution, features, mounting type, and package/case.

Q2: Are LM71CIMF and LM71CIMF/NOPB directly interchangeable?
A2: Both parts share all key electrical and mechanical parameters and package types. Substitution is feasible based on these similarities.

Q3: What are the main compliance differences between LM71CIMF and its substitutes?
A3: LM71CIMF is RoHS non-compliant and REACH affected; LM71CIMF/NOPB is ROHS3 compliant and REACH unaffected.

Q4: Is package compatibility a concern for these substitutes?
A4: Both LM71CIMF and LM71CIMF/NOPB are supplied in SOT-23-5 (SC-74A, SOT-753) and are surface-mount type; package compatibility is ensured.

Q5: How should product status influence substitute selection?
A5: "Not For New Designs" and "Obsolete" statuses indicate lifecycle limitations. Engineering review should confirm inventory availability and compliance requirements strictly based on provided parameters.