RCS2012F17R4CS Equivalent & Substitute Parts

Part Overview

The RCS2012F17R4CS is a 17.4 Ohm ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. 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	17.4 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 RCS2012F17R4CS is determined by strict equivalence across the following parameters:

Electrical Specifications: Resistance value (17.4 Ohms), tolerance (±1%), and power rating (0.125W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package type (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W), and number of terminations (2) ensure physical fit and solderability in existing PCB layouts.

Compliance & Environmental: RoHS3 compliance, MSL rating (1), REACH status, and composition (thick film) confirm regulatory alignment and environmental suitability.

All identified substitute parts meet these criteria without exception. No parameter deviation is permitted for direct substitution.

Parameter Comparison

Parameter	RCS2012F17R4CS (Samsung)	ERJ-6ENF17R4V (Panasonic)	RC0805FR-0717R4L (YAGEO)	RMCF0805FT17R4 (Stackpole)
Resistance	17.4 Ohms	17.4 Ohms	17.4 Ohms	17.4 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
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.028" (0.70mm)	0.024" (0.60mm)	0.026" (0.65mm)
Number of Terminations	2	2	2	2
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 four components listed—RCS2012F17R4CS (Samsung Electro-Mechanics), ERJ-6ENF17R4V (Panasonic Electronic Components), RC0805FR-0717R4L (YAGEO), and RMCF0805FT17R4 (Stackpole Electronics Inc)—are Active product status with full ROHS3 compliance and REACH Unaffected designation.

Automotive Applications: ERJ-6ENF17R4V and RMCF0805FT17R4 carry AEC-Q200 automotive qualification. Selection of these parts is appropriate for automotive-grade circuit requirements.

General Industrial Applications: All four parts are suitable for general industrial and consumer electronics applications. RCS2012F17R4CS, ERJ-6ENF17R4V, RC0805FR-0717R4L, and RMCF0805FT17R4 provide equivalent performance across standard operating conditions.

Environmental Resistance: RCS2012F17R4CS features anti-sulfur and moisture-resistant characteristics. RC0805FR-0717R4L specifies moisture-resistant properties. ERJ-6ENF17R4V and RMCF0805FT17R4 do not explicitly list these environmental features in provided specifications.

Inventory Availability: Panasonic ERJ-6ENF17R4V (109,389 pcs), YAGEO RC0805FR-0717R4L (127,703 pcs), Samsung RCS2012F17R4CS (800 pcs), and Stackpole RMCF0805FT17R4 (1,914 pcs) are in stock.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6ENF17R4V replace RCS2012F17R4CS in non-automotive applications?

A: Yes. Both components share identical electrical specifications (17.4 Ohms ±1%, 0.125W), thermal characteristics (±100ppm/°C, -55°C ~ 155°C), package format (0805), and compliance certifications (ROHS3, REACH Unaffected). The AEC-Q200 automotive qualification of ERJ-6ENF17R4V does not restrict its use in general applications.

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

A: Height-seated maximum values range from 0.024" (0.60mm) for RC0805FR-0717R4L to 0.028" (0.70mm) for ERJ-6ENF17R4V. All values remain within 0805 package specification tolerances. Height variation does not affect electrical performance or PCB assembly compatibility for standard surface-mount processes.

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

A: Yes. All four components operate across the identical temperature range of -55°C ~ 155°C with ±100ppm/°C temperature coefficient. Selection among these parts for high-temperature applications is based on availability and supplier preference rather than thermal performance differentiation.

Q: Does moisture sensitivity level (MSL) rating affect substitution?

A: No. All four components carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions. Storage, handling, and assembly processes are equivalent across all substitute parts.

Q: Which substitute part is recommended for automotive applications?

A: ERJ-6ENF17R4V (Panasonic) and RMCF0805FT17R4 (Stackpole) both carry AEC-Q200 automotive qualification. Either component is appropriate for automotive circuit requirements. RCS2012F17R4CS and RC0805FR-0717R4L lack explicit automotive certification in provided specifications.

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