RN732ATTD1183F25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD1183F25 is a 118 kOhms ±1% thin film chip resistor in 0805 (2012 Metric) package rated at 0.1W (1/10W) power dissipation, manufactured by KOA Speer Electronics, Inc. This component is classified as obsolete product status. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this resistance value and package configuration.

Key Parameters

Parameter	Value
Resistance	118 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RN732ATTD1183F25 are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Same Tolerance ±1%):

RN73R2ATTD1183F25 (KOA Speer Electronics, Inc.) – Active product status with identical tolerance and resistance, higher power rating (0.125W), automotive AEC-Q200 qualified
RT0805FRD07118KL (YAGEO) – Active product status with identical tolerance and resistance, higher power rating (0.125W)

Upgrade Substitutes (Tighter Tolerance ±0.1% or ±0.25% or ±0.5%):

2176094-2 (TE Connectivity Passive Product) – ±0.1% tolerance, 0.25W power rating
AT0805BRD07118KL (YAGEO) – ±0.1% tolerance, automotive AEC-Q200, anti-sulfur features
AT0805CRD07118KL (YAGEO) – ±0.25% tolerance, automotive AEC-Q200, anti-sulfur features
AT0805DRD07118KL (YAGEO) – ±0.5% tolerance, automotive AEC-Q200, anti-sulfur features
CPF0805B118KE1 (TE Connectivity Passive Product) – ±0.1% tolerance, 0.1W power rating (same as main part)
ERA-6AEB1183V (Panasonic Electronic Components) – ±0.1% tolerance, automotive AEC-Q200
PAT0805E1183BST1 (Vishay Dale Thin Film) – ±0.1% tolerance, 0.2W power rating, automotive AEC-Q200, anti-sulfur
RG2012P-1183-B-T5 (Susumu) – ±0.1% tolerance, automotive AEC-Q200, anti-sulfur

Substitution Logic: All substitute parts maintain the 118 kOhms resistance value, 0805 package configuration, ±25ppm/°C temperature coefficient, -55°C ~ 155°C operating temperature range, ROHS3 compliance, and MSL 1 rating. Substitutes differ in tolerance specification (tighter tolerance available), power rating (equal or higher), and additional features (automotive AEC-Q200 qualification, anti-sulfur coating, moisture resistance).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp (°C)	Package	Status	AEC-Q200
RN732ATTD1183F25	KOA Speer	118k	±1%	0.1	±25	-55~155	0805	Obsolete	No
RN73R2ATTD1183F25	KOA Speer	118k	±1%	0.125	±25	-55~155	0805	Active	Yes
RT0805FRD07118KL	YAGEO	118k	±1%	0.125	±25	-55~155	0805	Active	No
2176094-2	TE Connectivity	118k	±0.1%	0.25	±25	-55~155	0805	Active	No
AT0805BRD07118KL	YAGEO	118k	±0.1%	0.125	±25	-55~155	0805	Active	Yes
AT0805CRD07118KL	YAGEO	118k	±0.25%	0.125	±25	-55~155	0805	Active	Yes
AT0805DRD07118KL	YAGEO	118k	±0.5%	0.125	±25	-55~155	0805	Active	Yes
CPF0805B118KE1	TE Connectivity	118k	±0.1%	0.1	±25	-55~155	0805	Active	No
ERA-6AEB1183V	Panasonic	118k	±0.1%	0.125	±25	-55~155	0805	Active	Yes
PAT0805E1183BST1	Vishay Dale	118k	±0.1%	0.2	±25	-55~155	0805	Active	Yes
RG2012P-1183-B-T5	Susumu	118k	±0.1%	0.125	±25	-55~155	0805	Active	Yes

Engineering Selection Recommendations

For Direct Replacement (Obsolete Part Continuity): RN73R2ATTD1183F25 is the primary direct substitute from the same manufacturer (KOA Speer Electronics, Inc.). It maintains the ±1% tolerance specification and identical resistance value. The higher power rating (0.125W vs. 0.1W) provides additional thermal margin. Active product status ensures ongoing availability. Automotive AEC-Q200 qualification adds reliability assurance for demanding applications.

For General Industrial Applications: RT0805FRD07118KL (YAGEO) provides equivalent electrical performance with ±1% tolerance and active product status. This option is suitable when manufacturer diversity is required or when YAGEO supply chain is preferred.

For Precision Applications Requiring Tighter Tolerance: AT0805BRD07118KL, ERA-6AEB1183V, or RG2012P-1183-B-T5 are recommended when ±0.1% tolerance is required. All three are active products with automotive AEC-Q200 qualification. ERA-6AEB1183V offers the highest inventory availability (10,380 pcs). AT0805BRD07118KL and RG2012P-1183-B-T5 include anti-sulfur coating for enhanced environmental resistance.

For Automotive Applications: AT0805BRD07118KL, AT0805CRD07118KL, AT0805DRD07118KL, ERA-6AEB1183V, PAT0805E1183BST1, and RG2012P-1183-B-T5 all carry AEC-Q200 automotive qualification. Selection among these depends on required tolerance specification and power rating margin.

For Highest Power Margin: 2176094-2 (TE Connectivity) provides the highest power rating at 0.25W with ±0.1% tolerance, suitable for applications requiring maximum thermal headroom.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD1183F25 directly replace RN732ATTD1183F25? A: Yes. Both parts share identical resistance (118 kOhms), tolerance (±1%), package (0805), temperature coefficient (±25ppm/°C), and operating temperature range (-55°C ~ 155°C). RN73R2ATTD1183F25 has higher power rating (0.125W vs. 0.1W), which is compatible with the original design. RN73R2ATTD1183F25 is active product status from the same manufacturer.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain the ±1% tolerance specification of the original part. Upgrade substitutes offer tighter tolerance (±0.1%, ±0.25%, or ±0.5%) and may include additional features such as automotive AEC-Q200 qualification or anti-sulfur coating. Upgrade substitutes are electrically compatible but provide enhanced performance characteristics.

Q: Are all substitute parts compatible with the 0805 package footprint? A: Yes. All listed substitute parts use the 0805 (2012 Metric) package configuration with identical land pattern dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Physical compatibility with PCB layouts is maintained across all substitutes.

Q: Which substitute offers the best availability? A: ERA-6AEB1183V (Panasonic Electronic Components) has the highest inventory level at 10,380 pcs. This part is active product status with ±0.1% tolerance and automotive AEC-Q200 qualification.

Q: Can I use a substitute with higher power rating than the original? A: Yes. All substitute parts with equal or higher power ratings are electrically compatible. Higher power ratings provide additional thermal margin and do not negatively impact circuit performance. The original design will operate within the thermal limits of the substitute component.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance status, matching the environmental compliance requirement of the original RN732ATTD1183F25.

Q: Which substitutes include automotive AEC-Q200 qualification? A: RN73R2ATTD1183F25, AT0805BRD07118KL, AT0805CRD07118KL, AT0805DRD07118KL, ERA-6AEB1183V, PAT0805E1183BST1, and RG2012P-1183-B-T5 all carry AEC-Q200 automotive qualification. These parts are suitable for automotive and high-reliability applications.

Q: What is the temperature coefficient specification across all parts? A: All substitute parts maintain ±25ppm/°C temperature coefficient, identical to the original RN732ATTD1183F25. This specification ensures consistent performance across the -55°C ~ 155°C operating temperature range.

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