RN732ATTD2000B10 Equivalent & Substitute Parts

Part Overview

The RN732ATTD2000B10 is a 200 Ohm ±0.1% 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 features moisture-resistant construction with a temperature coefficient of ±10ppm/°C and operates across -55°C to 155°C. The part is currently listed as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility while meeting current supply chain requirements.

Key Parameters

Parameter	Value
Resistance	200 Ohms
Tolerance	±0.1%
Power Rating	0.1W (1/10W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RN732ATTD2000B10 is determined by the following critical parameters:

Primary Compatibility Criteria:

Resistance value: 200 Ohms (exact match required)
Tolerance: ±0.1% or tighter (±0.05% acceptable as upgrade)
Package: 0805 (2012 Metric) form factor
Composition: Thin film construction
Temperature coefficient: ±10ppm/°C
Operating temperature range: -55°C ~ 155°C minimum
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Compatibility Criteria:

Power rating: 0.1W minimum (0.125W acceptable as upgrade)
RoHS3 compliance required
MSL rating of 1 (Unlimited) required

The substitute parts are grouped into two categories:

Direct Equivalents: Parts maintaining identical electrical specifications (200Ω, ±0.1%, 0.1W) with active product status and full compliance certifications.

Upgrade Substitutes: Parts with enhanced specifications (higher power rating 0.125W, tighter tolerance ±0.05%, or additional features such as automotive AEC-Q200 qualification or anti-sulfur protection) that provide superior performance while maintaining backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op Temp (°C)	Package	Status	MSL
RN732ATTD2000B10	KOA Speer	200Ω	±0.1%	0.1	±10ppm/°C	-55~155	0805	Obsolete	1
RN73R2ATTD2000B10	KOA Speer	200Ω	±0.1%	0.125	±10ppm/°C	-55~155	0805	Active	1
RN73C2A200RBTD	TE Connectivity	200Ω	±0.1%	0.1	±10ppm/°C	-55~155	0805	Active	1
RN73C2A200RBTDF	TE Connectivity	200Ω	±0.1%	0.1	±10ppm/°C	-55~155	0805	Active	1
RN73C2A200RBTDG	TE Connectivity	200Ω	±0.1%	0.1	±10ppm/°C	-55~155	0805	Active	1
RN73C2A200RBTG	TE Connectivity	200Ω	±0.1%	0.1	±10ppm/°C	-55~155	0805	Active	1
RNCF0805BKT200R	Stackpole Electronics	200Ω	±0.1%	0.125	±10ppm/°C	-55~155	0805	Active	1
RT0805BRB07200RL	YAGEO	200Ω	±0.1%	0.125	±10ppm/°C	-55~155	0805	Active	1
RG2012N-201-B-T5	Susumu	200Ω	±0.1%	0.125	±10ppm/°C	-55~155	0805	Active	1
RG2012N-201-W-T1	Susumu	200Ω	±0.05%	0.125	±10ppm/°C	-55~155	0805	Active	1
RG2012N-201-W-T5	Susumu	200Ω	±0.05%	0.125	±10ppm/°C	-55~155	0805	Active	1

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

The TE Connectivity RN73C2A series (RN73C2A200RBTD, RN73C2A200RBTDF, RN73C2A200RBTDG) provides direct electrical equivalence to the RN732ATTD2000B10. All three variants maintain 200Ω ±0.1% tolerance, 0.1W power rating, and identical thermal characteristics. These parts are active products with ROHS3 compliance and MSL 1 rating. Selection among the three variants depends on packaging format requirements: RN73C2A200RBTD and RN73C2A200RBTDF are supplied in Tape & Reel format, while RN73C2A200RBTG is available in Strip packaging.

For Enhanced Performance (Upgrade Substitutes):

When design specifications permit higher power dissipation, the following upgrades provide superior reliability margins:

RN73R2ATTD2000B10 (KOA Speer): Maintains KOA Speer manufacturer continuity with 0.125W power upgrade and automotive AEC-Q200 qualification.
RNCF0805BKT200R (Stackpole Electronics): Offers 0.125W power rating with automotive AEC-Q200 certification and active product status.
RT0805BRB07200RL (YAGEO): Provides 0.125W power upgrade with active status and full compliance certifications.
RG2012N-201-B-T5, RG2012N-201-W-T1, RG2012N-201-W-T5 (Susumu): Deliver enhanced specifications including 0.125W power rating, anti-sulfur protection, and automotive AEC-Q200 qualification. The RG2012N-201-W variants feature tighter ±0.05% tolerance for applications requiring superior precision.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range. Selection should be based on packaging format availability, supply chain lead times, and whether enhanced specifications (power rating, tolerance, automotive qualification) align with application requirements.

Frequently Asked Questions (FAQ)

Q: Can RN73C2A200RBTD replace RN732ATTD2000B10 in existing designs?

A: Yes. The RN73C2A200RBTD is a direct electrical equivalent with identical 200Ω ±0.1% specifications, 0.1W power rating, and 0805 package form factor. Both components share the same temperature coefficient (±10ppm/°C), operating temperature range (-55°C to 155°C), and MSL 1 rating. The primary difference is product status: RN73C2A200RBTD is active while RN732ATTD2000B10 is obsolete.

Q: What is the difference between RN73C2A200RBTD, RN73C2A200RBTDF, and RN73C2A200RBTDG?

A: All three parts are electrically identical (200Ω ±0.1%, 0.1W, 0805 package). The differences are in packaging format: RN73C2A200RBTD and RN73C2A200RBTDF are supplied in Tape & Reel (TR) format, while RN73C2A200RBTDG is supplied in Strip format. Selection depends on assembly equipment compatibility and procurement requirements.

Q: Can I use a 0.125W rated resistor (such as RNCF0805BKT200R) instead of the 0.1W original?

A: Yes. A higher power rating is a conservative upgrade that maintains full backward compatibility. The 0.125W parts operate within the same temperature range and maintain identical resistance and tolerance specifications. This upgrade provides additional thermal margin and reliability in the application.

Q: What does the ±0.05% tolerance in RG2012N-201-W-T1 and RG2012N-201-W-T5 mean compared to the original ±0.1%?

A: The ±0.05% tolerance is tighter (more precise) than the original ±0.1%. This means the actual resistance value will be closer to the nominal 200Ω specification. These parts are suitable for applications requiring higher precision while maintaining full compatibility with designs specified for ±0.1% tolerance.

Q: Are the Susumu RG2012N series parts suitable for automotive applications?

A: Yes. The RG2012N-201-B-T5, RG2012N-201-W-T1, and RG2012N-201-W-T5 all carry automotive AEC-Q200 qualification and anti-sulfur protection. These features make them suitable for automotive and harsh environment applications while maintaining compatibility with standard industrial designs.

Q: What is the significance of "anti-sulfur" protection in the Susumu RG series?

A: Anti-sulfur protection prevents degradation of component performance in environments with hydrogen sulfide exposure. This feature is particularly valuable in industrial, automotive, and marine applications. For standard indoor applications, this feature provides no additional benefit but does not negatively impact performance.

Q: Can I mix different substitute parts in the same circuit board assembly?

A: Yes. All listed substitute parts maintain identical electrical specifications (200Ω, ±0.1% or tighter tolerance, same temperature coefficient and operating range) and 0805 package form factor. Mixing different manufacturers or variants in the same assembly is electrically compatible and does not create functional issues.

Q: What packaging format should I specify for high-volume production?

A: For automated assembly, Tape & Reel (TR) format is standard. RN73C2A200RBTD, RN73C2A200RBTDF, RNCF0805BKT200R, RT0805BRB07200RL, and all Susumu RG2012N variants are available in TR format. Strip format (RN73C2A200RBTG) is suitable for manual assembly or lower-volume applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

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