RN732ATTD2701A25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD2701A25 is a 2.7 kOhms ±0.05% thin film chip resistor manufactured by KOA Speer Electronics, Inc. in 0805 (2012 Metric) package format with 0.1W power rating. This component features moisture-resistant construction and operates across the temperature range of -55°C to 155°C.

The RN732ATTD2701A25 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this resistor specification.

Substiute Parts

RN732ATTD2701A25

KOA Speer Electronics, Inc.In Stock: 846RN732ATTD2701A25 Datasheet

Current PartRFQ

RN73R2ATTD2701A25

KOA Speer Electronics, Inc.In Stock: 705RN73R2ATTD2701A25 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN732ATTD2701A25 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 2.7 kOhms
• Tolerance: ±0.05%
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Resistant construction

Allowable Variation:

• Power rating may be equal to or greater than the original specification (0.1W minimum)
• Product status may transition from obsolete to active
• Additional certifications (such as AEC-Q200) do not disqualify substitution

The substitute part RN73R2ATTD2701A25 meets all mandatory matching parameters and represents a direct functional equivalent with enhanced power rating (0.125W) and automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

The RN73R2ATTD2701A25 is the direct substitute for the obsolete RN732ATTD2701A25. Selection of this substitute part is supported by the following engineering factors:

Product Status: The substitute part maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.

Electrical Equivalence: Both parts maintain identical resistance (2.7 kOhms), tolerance (±0.05%), temperature coefficient (±25ppm/°C), and operating temperature range (-55°C ~ 155°C). The increased power rating (0.125W versus 0.1W) provides additional thermal margin without affecting circuit performance.

Compliance & Certifications: Both parts are ROHS3 compliant and REACH unaffected. The substitute part includes AEC-Q200 automotive qualification, which does not restrict its use in non-automotive applications and provides additional quality assurance.

Physical Compatibility: Identical package dimensions (0805 / 2012 Metric), footprint, and termination count ensure direct PCB-level substitution without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD2701A25 be used as a direct replacement for RN732ATTD2701A25?

A: Yes. Both parts share identical resistance, tolerance, temperature coefficient, operating temperature range, package format, and physical dimensions. The substitute part features increased power rating (0.125W versus 0.1W) and automotive qualification, both of which are compatible with the original specification.

Q: What is the significance of the higher power rating in the substitute part?

A: The RN73R2ATTD2701A25 is rated for 0.125W compared to the original 0.1W rating. This higher power rating provides additional thermal dissipation capability and does not negatively impact circuit performance. The substitute part will operate safely in applications designed for the original 0.1W specification.

Q: Does the AEC-Q200 automotive qualification on the substitute part affect its use in non-automotive applications?

A: No. AEC-Q200 qualification represents an additional quality and reliability standard. Parts meeting automotive standards are suitable for general industrial and commercial applications without restriction.

Q: Are the physical dimensions and PCB footprints identical?

A: Yes. Both parts use the 0805 (2012 Metric) package with dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) and maximum seated height of 0.024" (0.60mm). No PCB layout modifications are required for substitution.

Q: What is the difference between the series designations RN73 and RN73R?

A: The RN73R series represents an enhanced version of the RN73 series with automotive AEC-Q200 qualification and active production status. The RN73 series (including the RN732ATTD2701A25) is now obsolete. Both series maintain identical electrical and physical specifications for the 2.7 kOhms ±0.05% 0805 resistor.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the RN732ATTD2701A25 and RN73R2ATTD2701A25 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.