RN732ATTD3013F25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD3013F25 is a 301 kOhms ±1% thin film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.1W (1/10W) in 0805 (2012 Metric) package format. This component features moisture-resistant construction with a temperature coefficient of ±25ppm/°C and operates across the temperature range of -55°C to 155°C. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts offer enhanced performance characteristics or active product status while remaining functionally compatible within specified parameter tolerances.

Key Parameters

Parameter	Value
Resistance	301 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution compatibility for the RN732ATTD3013F25 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 301 kOhms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Temperature Coefficient: ±25ppm/°C (exact match required)
Operating Temperature Range: -55°C ~ 155°C (minimum requirement)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

Allowable Variation Parameters:

Tolerance: May be equal to or tighter (±1%, ±0.5%, ±0.25%, ±0.1%)
Power Rating: May be equal to or higher (0.1W, 0.125W, 0.25W)

Substitute parts are grouped into two categories: direct substitutes (matching tolerance and power rating) and upgrade substitutes (improved tolerance and/or power rating). All substitute parts maintain identical mechanical dimensions, termination count, and environmental compliance specifications.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Package	Temp Coeff	Operating Temp	Product Status
RN732ATTD3013F25	KOA Speer Electronics	301 kΩ	±1%	0.1W	0805	±25ppm/°C	-55°C ~ 155°C	Obsolete
RN73R2ATTD3013F25	KOA Speer Electronics	301 kΩ	±1%	0.125W	0805	±25ppm/°C	-55°C ~ 155°C	Active
RT0805FRD07301KL	YAGEO	301 kΩ	±1%	0.125W	0805	±25ppm/°C	-55°C ~ 155°C	Active
3-2176094-9	TE Connectivity Passive Product	301 kΩ	±0.1%	0.25W	0805	±25ppm/°C	-55°C ~ 155°C	Active
AT0805BRD07301KL	YAGEO	301 kΩ	±0.1%	0.125W	0805	±25ppm/°C	-55°C ~ 155°C	Active
AT0805CRD07301KL	YAGEO	301 kΩ	±0.25%	0.125W	0805	±25ppm/°C	-55°C ~ 155°C	Active
AT0805DRD07301KL	YAGEO	301 kΩ	±0.5%	0.125W	0805	±25ppm/°C	-55°C ~ 155°C	Active
CPF0805B301KE1	TE Connectivity Passive Product	301 kΩ	±0.1%	0.1W	0805	±25ppm/°C	-55°C ~ 155°C	Active
ERA-6AEB3013V	Panasonic Electronic Components	301 kΩ	±0.1%	0.125W	0805	±25ppm/°C	-55°C ~ 155°C	Active
MCU08050D3013BP100	Vishay Beyschlag/Draloric/BC Components	301 kΩ	±0.1%	0.125W	0805	±25ppm/°C	-55°C ~ 125°C	Active
MCU08050D3013BPW00	Vishay Beyschlag/Draloric/BC Components	301 kΩ	±0.1%	0.125W	0805	±25ppm/°C	-55°C ~ 125°C	Active

Engineering Selection Recommendations

Direct Substitutes (Equivalent Performance):

RN73R2ATTD3013F25 and RT0805FRD07301KL serve as direct substitutes with matching ±1% tolerance and equivalent 0.125W power rating. Both components are active products with ROHS3 compliance and MSL 1 rating. RN73R2ATTD3013F25 offers automotive AEC-Q200 qualification and moisture-resistant construction. RT0805FRD07301KL provides YAGEO manufacturing with established supply chain availability.

Upgrade Substitutes (Enhanced Performance):

AT0805BRD07301KL, AT0805CRD07301KL, and AT0805DRD07301KL represent YAGEO AT series options with tighter tolerance specifications (±0.1%, ±0.25%, ±0.5% respectively) while maintaining 0.125W power rating. All three feature automotive AEC-Q200 qualification, anti-sulfur construction, and moisture-resistant properties. These components are suitable for applications requiring improved tolerance performance.

CPF0805B301KE1 provides TE Connectivity precision thin film construction with ±0.1% tolerance and matching 0.1W power rating, maintaining identical power specification to the original part while offering enhanced accuracy.

ERA-6AEB3013V delivers Panasonic manufacturing with ±0.1% tolerance, automotive AEC-Q200 qualification, and 0.125W power rating. This component offers high inventory availability (12,638 pcs) and active product status.

3-2176094-9 represents the highest performance upgrade with ±0.1% tolerance and 0.25W power rating, providing maximum design margin for thermal and accuracy requirements.

MCU08050D3013BP100 and MCU08050D3013BPW00 are Vishay precision resistors with ±0.1% tolerance and anti-sulfur construction. Note that operating temperature range is limited to -55°C ~ 125°C, which is narrower than the original specification.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher power rating than the original RN732ATTD3013F25?

A: Yes. The RN732ATTD3013F25 is rated at 0.1W. Substitute parts with 0.125W or 0.25W power ratings are functionally compatible and provide additional thermal margin. Higher power ratings do not affect circuit operation when the actual power dissipation remains within the original 0.1W specification.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes (RN73R2ATTD3013F25, RT0805FRD07301KL) maintain the ±1% tolerance specification of the original part. Upgrade substitutes offer tighter tolerance specifications (±0.5%, ±0.25%, or ±0.1%) while maintaining all other electrical and mechanical parameters. Tighter tolerance improves circuit accuracy but is not required for direct functional replacement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and maintain MSL 1 (Unlimited) moisture sensitivity level, matching the environmental compliance of the original RN732ATTD3013F25.

Q: Can I substitute MCU08050D3013BP100 if my application requires -55°C ~ 155°C operation?

A: No. MCU08050D3013BP100 and MCU08050D3013BPW00 have a maximum operating temperature of 125°C, which does not meet the full -55°C ~ 155°C specification of the original part. These components are suitable only for applications with operating temperature limits of -55°C ~ 125°C.

Q: Do all substitute parts have automotive AEC-Q200 qualification?

A: No. Automotive AEC-Q200 qualification is present in RN73R2ATTD3013F25, AT0805BRD07301KL, AT0805CRD07301KL, AT0805DRD07301KL, and ERA-6AEB3013V. Other substitutes do not carry this qualification. Select AEC-Q200 qualified parts for automotive applications requiring this certification.

Q: What is the advantage of ±0.1% tolerance parts over ±1% tolerance?

A: ±0.1% tolerance parts (3-2176094-9, AT0805BRD07301KL, CPF0805B301KE1, ERA-6AEB3013V, MCU08050D3013BP100, MCU08050D3013BPW00) provide tighter resistance accuracy, reducing circuit performance variation. This is beneficial for precision analog circuits, measurement applications, and designs with tight tolerance requirements. Standard ±1% parts are adequate for general-purpose applications.

Q: Are there inventory considerations when selecting a substitute?

A: Yes. ERA-6AEB3013V offers significantly higher inventory availability (12,638 pcs) compared to other substitutes. For high-volume production or long-term supply assurance, ERA-6AEB3013V provides supply chain stability while maintaining active product status and ±0.1% tolerance specification.

Q: Can I use AT0805DRD07301KL as a direct replacement for RN732ATTD3013F25?

A: Yes, with the understanding that AT0805DRD07301KL offers improved tolerance (±0.5% versus ±1%). The ±0.5% tolerance is tighter than required, but this does not prevent functional substitution. All other electrical and mechanical parameters are compatible.

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