RCS2012F73R2CS Equivalent & Substitute Parts

Part Overview

The RCS2012F73R2CS is a 73.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Key Parameters

Parameter	Value
Resistance	73.2 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F73R2CS is determined by strict equivalence across the following parameters:

Electrical Specifications: Resistance value (73.2 Ohms), tolerance (±1%), power rating (0.125W), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package type (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm), and number of terminations (2) must be identical.

Environmental & Compliance: Operating temperature range (-55°C ~ 155°C), Moisture Sensitivity Level (MSL 1), RoHS3 compliance, and REACH unaffected status must be maintained.

Composition & Construction: Thick film composition is required for all substitutes.

All three identified substitute parts meet these criteria and are classified as direct equivalents.

Parameter Comparison

Parameter	RCS2012F73R2CS (Samsung)	ERJ-6ENF73R2V (Panasonic)	RC0805FR-0773R2L (YAGEO)	RMCF0805FT73R2 (Stackpole)
Resistance	73.2 Ohms	73.2 Ohms	73.2 Ohms	73.2 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Dimensions (L x W)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.028" (0.70mm)	0.024" (0.60mm)	0.026" (0.65mm)
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All three substitute parts are qualified equivalents to the RCS2012F73R2CS based on electrical and mechanical parameter alignment. Selection among these alternatives may be influenced by the following factors:

Automotive Applications: The ERJ-6ENF73R2V (Panasonic) and RMCF0805FT73R2 (Stackpole) both carry AEC-Q200 automotive qualification ratings, making them suitable for automotive-grade circuit designs.

General Industrial Applications: The RC0805FR-0773R2L (YAGEO) provides equivalent performance for non-automotive applications with moisture-resistant construction.

Compliance Certification: All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original component.

Product Availability: Inventory levels vary across manufacturers. Panasonic ERJ-6ENF73R2V shows highest stock availability (85,709 pcs), followed by YAGEO RC0805FR-0773R2L (10,800 pcs) and Stackpole RMCF0805FT73R2 (5,666 pcs).

Frequently Asked Questions (FAQ)

Q: Can ERJ-6ENF73R2V replace RCS2012F73R2CS in non-automotive circuits?

A: Yes. The ERJ-6ENF73R2V meets all electrical and mechanical specifications required for direct substitution. AEC-Q200 automotive qualification does not restrict use in non-automotive applications.

Q: What is the significance of the height variation among substitute parts?

A: Height variations (0.024" to 0.028" seated maximum) fall within standard 0805 package tolerances and do not affect PCB assembly compatibility or circuit performance. All parts maintain identical length and width dimensions.

Q: Are all substitute parts suitable for high-temperature applications?

A: Yes. All substitute parts and the original component share identical operating temperature range (-55°C ~ 155°C) and temperature coefficient (±100ppm/°C), ensuring equivalent performance across the full temperature spectrum.

Q: Does MSL 1 rating apply to all parts?

A: Yes. All parts, including the original RCS2012F73R2CS and all three substitutes, carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no moisture-related storage or handling restrictions.

Q: Can these parts be used interchangeably in production?

A: Yes. All substitute parts are direct electrical and mechanical equivalents with matching compliance certifications (ROHS3, REACH unaffected). They are suitable for interchangeable use in production environments without design modification or re-qualification.

Q: What packaging format is used for all parts?

A: All parts are supplied in Tape & Reel (TR) format, standard for automated PCB assembly processes.

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