Equivalent & Substitute Parts for RN732ATTD1302F25

Part Overview

The RN732ATTD1302F25 is a 13 kOhms ±1% 0.1W thin film chip resistor in 0805 (2012 Metric) package manufactured by KOA Speer Electronics, Inc. This part is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with enhanced specifications, improved product status, and expanded feature sets. Substitute parts maintain the core electrical and mechanical parameters while offering alternatives with higher precision tolerances, automotive qualification, or enhanced environmental resistance.

Key Parameters

Parameter	Value
Resistance	13 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	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution logic is based on the following allowed parameters:

Core Electrical Parameters (Must Match or Exceed):

Resistance value: 13 kOhms (exact match required)
Tolerance: ±1% or better (tighter tolerance acceptable)
Temperature Coefficient: ±25ppm/°C (exact match)
Operating Temperature Range: -55°C ~ 155°C minimum (equal or wider range acceptable)

Mechanical Parameters (Must Match):

Package / Case: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Number of Terminations: 2 (exact match required)

Compliance Parameters (Must Match or Exceed):

RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Power Rating Consideration: Substitute parts with 0.125W (1/8W) power rating are acceptable as they provide higher power dissipation capability while maintaining all other electrical and mechanical specifications. Parts with lower power ratings are not acceptable.

Substitute parts are grouped into two categories:

Direct Substitutes (Same Tolerance ±1%):

RN73R2ATTD1302F25 (KOA Speer Electronics, Inc.)
RT0805FRD0713KL (YAGEO)

Upgrade Substitutes (Tighter Tolerance ±0.1% to ±0.5%):

AT0805BRD0713KL (YAGEO, ±0.1%)
AT0805CRD0713KL (YAGEO, ±0.25%)
AT0805DRD0713KL (YAGEO, ±0.5%)
CPF0805B13KE1 (TE Connectivity Passive Product, ±0.1%)
CRT0805-BY-1302ELF (Bourns Inc., ±0.1%)
ERA-6AEB133V (Panasonic Electronic Components, ±0.1%)
MCU08050D1302BP100 (Vishay Beyschlag/Draloric/BC Components, ±0.1%)
MCU08050D1302BP500 (Vishay Beyschlag/Draloric/BC Components, ±0.1%)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Product Status	Features
RN732ATTD1302F25	KOA Speer Electronics, Inc.	13 kΩ	±1%	0.1	0805	±25ppm/°C	-55°C ~ 155°C	Obsolete	Moisture Resistant
RN73R2ATTD1302F25	KOA Speer Electronics, Inc.	13 kΩ	±1%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200, Moisture Resistant
RT0805FRD0713KL	YAGEO	13 kΩ	±1%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	None specified
AT0805BRD0713KL	YAGEO	13 kΩ	±0.1%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
AT0805CRD0713KL	YAGEO	13 kΩ	±0.25%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
AT0805DRD0713KL	YAGEO	13 kΩ	±0.5%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
CPF0805B13KE1	TE Connectivity Passive Product	13 kΩ	±0.1%	0.1	0805	±25ppm/°C	-55°C ~ 155°C	Active	None specified
CRT0805-BY-1302ELF	Bourns Inc.	13 kΩ	±0.1%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	Current Sense
ERA-6AEB133V	Panasonic Electronic Components	13 kΩ	±0.1%	0.125	0805	±25ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200
MCU08050D1302BP100	Vishay Beyschlag/Draloric/BC Components	13 kΩ	±0.1%	0.125	0805	±25ppm/°C	-55°C ~ 125°C	Active	Anti-Sulfur
MCU08050D1302BP500	Vishay Beyschlag/Draloric/BC Components	13 kΩ	±0.1%	0.125	0805	±25ppm/°C	-55°C ~ 125°C	Active	Anti-Sulfur

Engineering Selection Recommendations

For Direct Replacement (Same Tolerance ±1%):

RN73R2ATTD1302F25 is the primary direct substitute. It maintains ±1% tolerance and all core electrical parameters while offering active product status and automotive AEC-Q200 qualification. Power rating increases from 0.1W to 0.125W, providing additional thermal margin. This part is recommended when tolerance specification is non-critical and active product status is required.

RT0805FRD0713KL from YAGEO provides equivalent electrical performance with active status. It offers the same ±1% tolerance and 0.125W power rating. Selection between RN73R2ATTD1302F25 and RT0805FRD0713KL depends on supply chain and procurement preferences.

For Precision Applications (Tighter Tolerance):

AT0805BRD0713KL, AT0805CRD0713KL, and AT0805DRD0713KL from YAGEO offer progressively tighter tolerances (±0.1%, ±0.25%, ±0.5%) with automotive AEC-Q200 qualification and anti-sulfur features. These are suitable for applications requiring enhanced precision beyond ±1%.

ERA-6AEB133V from Panasonic provides ±0.1% tolerance with automotive AEC-Q200 qualification. This part offers the highest inventory availability (9409 Pcs) among all substitutes.

CPF0805B13KE1 from TE Connectivity maintains the original 0.1W power rating while providing ±0.1% tolerance. This is suitable for space-constrained applications where the lower power rating is acceptable.

CRT0805-BY-1302ELF from Bourns is specified for current sense applications with ±0.1% tolerance and 0.125W power rating.

MCU08050D1302BP100 and MCU08050D1302BP500 from Vishay offer ±0.1% tolerance with anti-sulfur features. Operating temperature range is -55°C ~ 125°C, which is narrower than the original specification. These parts are suitable for applications within this temperature range.

Compliance Verification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating. All parts are thin film composition in 0805 package with ±25ppm/°C temperature coefficient. Selection should be based on specific application requirements for tolerance, power rating, automotive qualification, and operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD1302F25 directly replace RN732ATTD1302F25?

A: Yes. RN73R2ATTD1302F25 is a direct substitute. Both parts have 13 kOhms resistance, ±1% tolerance, ±25ppm/°C temperature coefficient, and 0805 package. RN73R2ATTD1302F25 has higher power rating (0.125W vs 0.1W) and active product status. All mechanical and compliance parameters are identical.

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

A: Direct substitutes maintain the same ±1% tolerance as the original part. Upgrade substitutes offer tighter tolerances (±0.1% to ±0.5%), providing higher precision. Upgrade substitutes are suitable when circuit design requires tighter tolerance specifications.

Q: Are parts with 0.125W power rating compatible with designs specified for 0.1W?

A: Yes. A 0.125W (1/8W) rated part can replace a 0.1W (1/10W) rated part. The higher power rating provides additional thermal margin and does not affect electrical performance. Physical dimensions remain identical in 0805 package.

Q: Which substitute offers the best availability?

A: ERA-6AEB133V from Panasonic has the highest inventory availability at 9409 Pcs. This part provides ±0.1% tolerance, automotive AEC-Q200 qualification, and active product status.

Q: Can I use MCU08050D1302BP100 in applications requiring -55°C ~ 155°C operation?

A: No. MCU08050D1302BP100 has operating temperature range of -55°C ~ 125°C, which does not meet the full -55°C ~ 155°C specification of the original part. Use this part only in applications within -55°C ~ 125°C range.

Q: What is the significance of automotive AEC-Q200 qualification?

A: AEC-Q200 qualification indicates the part meets automotive industry reliability and quality standards. Parts with this qualification (RN73R2ATTD1302F25, AT0805BRD0713KL, AT0805CRD0713KL, AT0805DRD0713KL, ERA-6AEB133V) are suitable for automotive and high-reliability applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the original part specification.

Q: What does MSL 1 (Unlimited) mean?

A: MSL 1 (Unlimited) indicates the part has unlimited shelf life and does not require special moisture control during storage or handling. All parts in this comparison maintain MSL 1 rating.

Q: Can I substitute a part with anti-sulfur features for one without?

A: Yes. Anti-sulfur features provide enhanced environmental resistance. Parts with anti-sulfur features (AT0805BRD0713KL, AT0805CRD0713KL, AT0805DRD0713KL, MCU08050D1302BP100, MCU08050D1302BP500) can replace parts without this feature. The reverse substitution is not recommended for applications in sulfur-containing environments.

Q: What is the difference between CRT0805-BY-1302ELF and other ±0.1% options?

A: CRT0805-BY-1302ELF is specified for current sense applications. It provides ±0.1% tolerance and 0.125W power rating. Selection depends on whether current sense functionality is required for the application.

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