Equivalent & Substitute Parts for RCS2012F9090CS

Part Overview

The RCS2012F9090CS is a 909 Ohms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package. 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.

Substiute Parts

RCS2012F9090CS

Samsung Electro-MechanicsIn Stock: 970RCS2012F9090CS Datasheet

Current PartRFQ

CRCW0805909RFKEA

Vishay DaleIn Stock: 15154CRCW0805909RFKEA Datasheet

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ERJ-6ENF9090V

Panasonic Electronic ComponentsIn Stock: 67538ERJ-6ENF9090V Datasheet

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RC0805FR-07909RL

YAGEOIn Stock: 37706RC0805FR-07909RL Datasheet

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RMCF0805FT909R

Stackpole Electronics IncIn Stock: 15738RMCF0805FT909R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F9090CS is determined by strict equivalence across the following parameters:

Electrical Equivalence: Resistance value of 909 Ohms, tolerance of ±1%, and power rating of 0.125W (1/8W) are mandatory. Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C ~ 155°C must match.

Mechanical Equivalence: Package designation 0805 (2012 Metric) with two terminations is required. Physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and seated height specifications must be compatible with the original footprint.

Compliance Equivalence: RoHS3 compliance and MSL Level 1 (Unlimited) are baseline requirements. All substitute parts listed maintain these certifications.

Composition: Thick film construction is consistent across all substitute parts.

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

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are Active product status components with full RoHS3 compliance and MSL Level 1 certification, meeting the baseline requirements for direct substitution with the RCS2012F9090CS.

CRCW0805909RFKEA (Vishay Dale): Automotive AEC-Q200 rated. Seated height of 0.020" (0.50mm) is the lowest among all options, providing maximum clearance margin in space-constrained layouts.

ERJ-6ENF9090V (Panasonic Electronic Components): Automotive AEC-Q200 rated. Seated height of 0.028" (0.70mm) is the highest specification. Highest inventory availability at 67,487 pieces.

RC0805FR-07909RL (YAGEO): Moisture-resistant thick film construction. Seated height of 0.024" (0.60mm) provides mid-range clearance. Inventory of 37,673 pieces.

RMCF0805FT909R (Stackpole Electronics Inc): Automotive AEC-Q200 rated. Seated height of 0.026" (0.65mm) matches the original RCS2012F9090CS specification closely at 0.026" (0.66mm).

Selection among these substitutes depends on application requirements: automotive-grade applications benefit from AEC-Q200 certification; space-constrained designs may prioritize lower seated height; high-volume procurement may consider inventory availability.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805909RFKEA replace RCS2012F9090CS in all applications?

A: Yes. Both components share identical electrical specifications (909 Ohms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C), package designation (0805), and compliance certifications (RoHS3, MSL 1). The seated height difference of 0.006" (0.16mm) is within typical PCB design tolerances.

Q: What is the significance of AEC-Q200 certification on substitute parts?

A: AEC-Q200 is an automotive qualification standard. CRCW0805909RFKEA, ERJ-6ENF9090V, and RMCF0805FT909R carry this certification. If the original application does not require automotive qualification, this certification does not restrict substitution. If automotive qualification is required, these three parts are qualified options.

Q: Are there differences in moisture resistance between substitute parts?

A: The RCS2012F9090CS specifies anti-sulfur and moisture-resistant features. RC0805FR-07909RL explicitly lists moisture-resistant characteristics. CRCW0805909RFKEA, ERJ-6ENF9090V, and RMCF0805FT909R do not explicitly state moisture resistance in their descriptions but maintain MSL Level 1 (Unlimited) rating, indicating no moisture sensitivity restrictions.

Q: How do seated height variations affect PCB assembly?

A: Seated height ranges from 0.020" (0.50mm) to 0.028" (0.70mm). These variations are within standard 0805 package tolerances and do not affect electrical performance. PCB design clearance specifications should accommodate the maximum seated height of 0.028" (0.70mm) for universal compatibility.

Q: Can these parts be used interchangeably in high-frequency applications?

A: All substitute parts share identical temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C). Frequency performance is determined by thick film composition and package parasitic characteristics, which are equivalent across all listed parts.

Q: What inventory considerations apply to substitute selection?

A: ERJ-6ENF9090V offers the highest inventory at 67,487 pieces. RC0805FR-07909RL provides 37,673 pieces. RMCF0805FT909R and CRCW0805909RFKEA offer 15,717 and 15,106 pieces respectively. Inventory levels may influence lead time and cost considerations for high-volume procurement.