RC2012F30R9CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F30R9CS is a 30.9 Ohm ±1% 1/8W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct interchangeability in circuit applications.

Substiute Parts

RC2012F30R9CS

Samsung Electro-MechanicsIn Stock: 873RC2012F30R9CS Datasheet

Current PartRFQ

RC0805FR-0730R9L

YAGEOIn Stock: 6752RC0805FR-0730R9L Datasheet

DirectRFQ

CRCW080530R9FKEA

Vishay DaleIn Stock: 19242CRCW080530R9FKEA Datasheet

SimilarRFQ

ERJ-6ENF30R9V

Panasonic Electronic ComponentsIn Stock: 13323ERJ-6ENF30R9V Datasheet

SimilarRFQ

RMCF0805FT30R9

Stackpole Electronics IncIn Stock: 5758RMCF0805FT30R9 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F30R9CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (30.9 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 designation (0805 / 2012 Metric) and number of terminations (2) ensure physical fit and solderability on printed circuit boards. Seated height variations within the 0.020" to 0.028" range remain within standard PCB assembly tolerances.

Regulatory Compliance: All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and REACH Unaffected status, ensuring environmental and supply chain consistency.

Composition & Features: Thick film construction is maintained across all substitutes. Moisture-resistant or automotive AEC-Q200 features do not prevent substitution but indicate enhanced reliability characteristics.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical equivalence to the RC2012F30R9CS. Selection among these alternatives is based on availability, supply chain considerations, and application-specific requirements:

RC0805FR-0730R9L (YAGEO): Direct equivalent with moisture-resistant thick film construction matching the original specification. Lowest seated height (0.024") provides optimal clearance in high-density PCB layouts.

CRCW080530R9FKEA (Vishay Dale): Automotive-grade AEC-Q200 rated component suitable for applications requiring enhanced reliability and temperature stability. Minimum seated height (0.020") for space-constrained designs.

ERJ-6ENF30R9V (Panasonic): Automotive-grade AEC-Q200 rated alternative with established supply availability. Maximum seated height (0.028") remains within standard assembly tolerances.

RMCF0805FT30R9 (Stackpole Electronics): Automotive-grade AEC-Q200 rated option with seated height (0.026") matching the original component specification.

All substitute parts carry Active product status and maintain ROHS3 compliance, MSL Level 1 rating, and REACH Unaffected designation. Selection should prioritize component availability and lead time requirements without compromising electrical or mechanical performance.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0730R9L replace RC2012F30R9CS directly on the PCB?

A: Yes. Both components share identical electrical specifications (30.9 Ohms ±1%, 0.125W), package designation (0805 / 2012 Metric), and thermal characteristics (-55°C ~ 155°C). The 0.002" height difference (0.024" vs 0.026") is within standard PCB assembly tolerances and does not affect solderability or mechanical fit.

Q: What is the difference between moisture-resistant and AEC-Q200 rated substitutes?

A: Moisture-resistant construction (RC2012F30R9CS, RC0805FR-0730R9L) provides standard environmental protection. AEC-Q200 rated components (CRCW080530R9FKEA, ERJ-6ENF30R9V, RMCF0805FT30R9) meet automotive qualification standards with enhanced reliability testing and temperature cycling validation. Both categories maintain MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: Are all substitutes suitable for automotive applications?

A: The original RC2012F30R9CS is not AEC-Q200 rated. For automotive applications, CRCW080530R9FKEA, ERJ-6ENF30R9V, and RMCF0805FT30R9 provide AEC-Q200 certification. RC0805FR-0730R9L remains suitable for non-automotive industrial and consumer applications.

Q: Do seated height variations affect PCB assembly?

A: Seated height variations (0.020" to 0.028") fall within standard 0805 package tolerances and do not impact reflow soldering, wave soldering, or automated pick-and-place assembly processes. All components maintain identical footprint dimensions (0.079" L x 0.049" W).

Q: Are all substitutes available in Tape & Reel packaging?

A: Yes. All identified substitute parts are supplied in Tape & Reel (TR) format, maintaining consistency with the original RC2012F30R9CS packaging specification for automated assembly operations.

Q: What compliance certifications apply to all substitutes?

A: All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited) moisture sensitivity rating, REACH Unaffected status, and EAR99 export classification. These certifications ensure regulatory consistency and supply chain compatibility.