RN732ATTD3013D25 Equivalent & Substitute Parts

Part Overview

The RN732ATTD3013D25 is a 301 kOhms ±0.5% 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 features moisture-resistant construction with a temperature coefficient of ±25ppm/°C and operating range of -55°C to 155°C. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility while offering improved availability and product status.

Key Parameters

Parameter	Value
Resistance	301 kOhms
Tolerance	±0.5%
Power Rating	0.1W (1/10W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the RN732ATTD3013D25 is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Resistance value: 301 kOhms (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Temperature Coefficient: ±25ppm/°C (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
RoHS3 Compliance (required)

Secondary Substitution Parameters (Allowable Variations):

Tolerance: ±0.5% (direct equivalent), ±0.25%, or ±0.1% (upgrades with tighter tolerance)
Power Rating: 0.1W (direct equivalent), 0.125W (1/8W), or 0.25W (1/4W) (upgrades with higher power capability)
Operating Temperature Range: -55°C to 155°C (standard), -55°C to 125°C (acceptable for most applications)
Features: Moisture Resistant (standard), Anti-Sulfur/Automotive AEC-Q200 (enhanced features)

Substitutes are grouped into two categories: Direct Equivalents (matching tolerance and power rating) and Upgrades (improved tolerance and/or power rating while maintaining all primary criteria).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range (°C)	Product Status	Features
RN732ATTD3013D25	KOA Speer Electronics	301 kΩ	±0.5%	0.1	±25	-55 to 155	Obsolete	Moisture Resistant
RN73R2ATTD3013D25	KOA Speer Electronics	301 kΩ	±0.5%	0.125	±25	-55 to 155	Active	Automotive AEC-Q200, Moisture Resistant
RR1220P-3013-D-M	Susumu	301 kΩ	±0.5%	0.1	±25	-55 to 125	Active	Thin Film
RT0805DRD07301KL	YAGEO	301 kΩ	±0.5%	0.125	±25	-55 to 155	Active	Thin Film
3-2176094-9	TE Connectivity Passive Product	301 kΩ	±0.1%	0.25	±25	-55 to 155	Active	Thin Film
AT0805BRD07301KL	YAGEO	301 kΩ	±0.1%	0.125	±25	-55 to 155	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
AT0805CRD07301KL	YAGEO	301 kΩ	±0.25%	0.125	±25	-55 to 155	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
AT0805DRD07301KL	YAGEO	301 kΩ	±0.5%	0.125	±25	-55 to 155	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
CPF0805B301KE1	TE Connectivity Passive Product	301 kΩ	±0.1%	0.1	±25	-55 to 155	Active	Thin Film
ERA-6AEB3013V	Panasonic Electronic Components	301 kΩ	±0.1%	0.125	±25	-55 to 155	Active	Automotive AEC-Q200
MCU08050D3013BP100	Vishay Beyschlag/Draloric/BC Components	301 kΩ	±0.1%	0.125	±25	-55 to 125	Active	Anti-Sulfur

Engineering Selection Recommendations

Direct Equivalent Selection (Tolerance ±0.5%, Power 0.1W):

The RR1220P-3013-D-M from Susumu provides direct electrical equivalence to the RN732ATTD3013D25 with identical resistance, tolerance, and power rating. This component is active and ROHS3 compliant. The operating temperature range extends to -55°C to 125°C, which is acceptable for applications not requiring the full 155°C upper limit of the original part.

Recommended Primary Substitute (Tolerance ±0.5%, Power 0.125W):

The RT0805DRD07301KL from YAGEO or AT0805DRD07301KL from YAGEO both provide ±0.5% tolerance matching with increased power rating of 0.125W. Both are active products with ROHS3 compliance and full -55°C to 155°C operating range. The AT0805DRD07301KL adds automotive AEC-Q200 qualification and anti-sulfur features for enhanced reliability in demanding environments.

Upgrade Options (Tighter Tolerance):

For applications requiring improved tolerance performance, the following active components offer ±0.1% tolerance:

CPF0805B301KE1 (TE Connectivity): Maintains 0.1W power rating with full temperature range
AT0805BRD07301KL (YAGEO): Provides 0.125W with automotive AEC-Q200 and anti-sulfur features
ERA-6AEB3013V (Panasonic): Offers 0.125W with automotive AEC-Q200 qualification
3-2176094-9 (TE Connectivity): Highest power rating at 0.25W with ±0.1% tolerance

Upgrade Option (Intermediate Tolerance):

The AT0805CRD07301KL from YAGEO provides ±0.25% tolerance with 0.125W power rating, automotive AEC-Q200 qualification, and anti-sulfur features, offering a middle ground between standard and precision tolerance requirements.

All recommended substitutes maintain the 0805 package, thin film composition, ±25ppm/°C temperature coefficient, MSL 1 rating, and ROHS3 compliance required for functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute with higher power rating than the original RN732ATTD3013D25?

A: Yes. A higher power rating (0.125W or 0.25W) is a safe upgrade that does not compromise circuit function. The component will operate within its thermal limits in the same application. Physical dimensions remain identical within the 0805 package specification.

Q: What is the difference between ±0.5%, ±0.25%, and ±0.1% tolerance?

A: Tolerance specifies the maximum deviation from the nominal 301 kOhms resistance value. ±0.5% allows ±1.505 kOhms deviation; ±0.25% allows ±0.7525 kOhms; ±0.1% allows ±0.301 kOhms. Tighter tolerance (±0.1%) is an upgrade suitable for precision circuits requiring more stable resistance values.

Q: Are automotive AEC-Q200 qualified parts compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification indicates enhanced reliability testing and quality standards. These parts are fully compatible with non-automotive applications and provide superior performance margins.

Q: What does anti-sulfur feature mean?

A: Anti-sulfur coating protects the resistor from corrosion caused by hydrogen sulfide exposure in industrial or harsh environments. This feature is beneficial in all applications but essential in corrosive atmospheres.

Q: Can I substitute a part with -55°C to 125°C range for one rated -55°C to 155°C?

A: Substitution is acceptable if your application does not require operation above 125°C. Verify the maximum operating temperature requirement of your circuit before selecting a part with the reduced upper temperature limit.

Q: Why is the original RN732ATTD3013D25 marked as obsolete?

A: Obsolescence indicates the manufacturer has discontinued production. Active substitute parts from other manufacturers provide equivalent or superior performance with assured ongoing availability and supply chain reliability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts listed are ROHS3 compliant, meeting environmental and regulatory requirements equivalent to the original component.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. The component requires no special dry storage or handling precautions, simplifying inventory management and logistics.

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