RN732ATTD2000A05 Equivalent & Substitute Parts

Part Overview

The RN732ATTD2000A05 is a 200 Ohm ±0.05% thin film chip resistor in 0805 (2012 Metric) package rated for 0.1W (1/10W) operation. Manufactured by KOA Speer Electronics, Inc., this component features moisture-resistant construction and operates across -55°C to 155°C. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Resistance	200 Ohms
Tolerance	±0.05%
Power Rating	0.1W (1/10W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±5ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Features	Moisture Resistant
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Resistance Value: Must be 200 Ohms
Tolerance: Must be ±0.05% or tighter (lower tolerance values are acceptable upgrades)
Package: Must be 0805 (2012 Metric)
Composition: Must be Thin Film
Temperature Coefficient: Must be ±5ppm/°C
Operating Temperature Range: Must support -55°C minimum; upper limit of 125°C or higher is acceptable
Power Rating: Must be 0.1W or higher (higher power ratings are acceptable upgrades)
RoHS Compliance: Must maintain ROHS3 Compliant status
Moisture Sensitivity Level: Must be MSL 1 or equivalent

All substitute parts listed meet these criteria and are electrically and mechanically compatible with the RN732ATTD2000A05.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	Features	Status
RN732ATTD2000A05	KOA Speer Electronics	200 Ω	±0.05%	0.1	0805	±5ppm/°C	-55 ~ 155°C	Moisture Resistant	Obsolete
RN73R2ATTD2000A05	KOA Speer Electronics	200 Ω	±0.05%	0.125	0805	±5ppm/°C	-55 ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active
RG2012V-201-P-T1	Susumu	200 Ω	±0.02%	0.125	0805	±5ppm/°C	-55 ~ 155°C	Anti-Sulfur, Automotive AEC-Q200	Active
RG2012V-201-W-T1	Susumu	200 Ω	±0.05%	0.125	0805	±5ppm/°C	-55 ~ 155°C	Anti-Sulfur, Automotive AEC-Q200	Active
RG2012V-201-W-T5	Susumu	200 Ω	±0.05%	0.125	0805	±5ppm/°C	-55 ~ 155°C	Anti-Sulfur, Automotive AEC-Q200	Active
RNCF0805TKY200R	Stackpole Electronics Inc	200 Ω	±0.01%	0.125	0805	±5ppm/°C	-55 ~ 155°C	Automotive AEC-Q200	Active
TNPU0805200RAZEN00	Vishay Dale	200 Ω	±0.05%	0.125	0805	±5ppm/°C	-55 ~ 125°C	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant	Active

Engineering Selection Recommendations

Direct Equivalent (Same Specifications)

RN73R2ATTD2000A05 from KOA Speer Electronics is the primary direct equivalent. It maintains identical electrical specifications (200 Ω, ±0.05%, ±5ppm/°C) and operating temperature range (-55°C to 155°C) while offering higher power rating (0.125W vs 0.1W) and active product status. This part includes automotive AEC-Q200 qualification, providing enhanced reliability for demanding applications.

Upgraded Alternatives (Enhanced Performance)

RG2012V-201-P-T1 (Susumu) provides the tightest tolerance at ±0.02%, suitable for precision applications requiring superior accuracy. RG2012V-201-W-T1 and RG2012V-201-W-T5 (Susumu) maintain ±0.05% tolerance matching the original specification while adding anti-sulfur protection and AEC-Q200 automotive qualification.

RNCF0805TKY200R (Stackpole Electronics Inc) offers the highest tolerance precision at ±0.01% with AEC-Q200 qualification, appropriate for applications demanding exceptional accuracy.

TNPU0805200RAZEN00 (Vishay Dale) combines ±0.05% tolerance with anti-sulfur and moisture-resistant features plus AEC-Q200 qualification. Note the operating temperature upper limit is 125°C versus 155°C for other options.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can RN73R2ATTD2000A05 directly replace RN732ATTD2000A05?

A: Yes. Both parts share identical resistance (200 Ω), tolerance (±0.05%), temperature coefficient (±5ppm/°C), and operating range (-55°C to 155°C). RN73R2ATTD2000A05 offers higher power rating (0.125W vs 0.1W) and active product status, making it the preferred direct equivalent.

Q: What is the difference between the Susumu RG2012V-201 variants?

A: RG2012V-201-P-T1 provides ±0.02% tolerance (tighter than original ±0.05%). RG2012V-201-W-T1 and RG2012V-201-W-T5 maintain ±0.05% tolerance. All three share identical electrical specifications, power rating (0.125W), and operating temperature range (-55°C to 155°C). Selection between W-T1 and W-T5 variants depends on specific packaging or tape configuration requirements.

Q: Is RNCF0805TKY200R suitable for applications requiring the original 0.1W power rating?

A: Yes. RNCF0805TKY200R is rated for 0.125W (1/8W), which exceeds the original 0.1W requirement. The higher power rating provides additional thermal margin and is fully compatible with circuits designed for the RN732ATTD2000A05.

Q: Does TNPU0805200RAZEN00 have any temperature limitations compared to other substitutes?

A: TNPU0805200RAZEN00 operates to 125°C maximum, whereas the original part and most substitutes support 155°C. For applications operating above 125°C, select alternative parts with 155°C upper temperature rating.

Q: Are all substitute parts automotive-qualified?

A: RN73R2ATTD2000A05, RG2012V-201-P-T1, RG2012V-201-W-T1, RG2012V-201-W-T5, RNCF0805TKY200R, and TNPU0805200RAZEN00 all carry AEC-Q200 automotive qualification. The original RN732ATTD2000A05 does not list AEC-Q200 qualification.

Q: Can these parts be used interchangeably in the same PCB assembly?

A: Yes. All substitute parts use identical 0805 (2012 Metric) package dimensions and footprint. Physical and electrical compatibility is confirmed across all listed alternatives.

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