RC2012F90R9CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F90R9CS is a 90.9 Ohms ±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 moisture-resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified when electrical specifications, mechanical dimensions, and environmental ratings align within acceptable tolerances for direct circuit board replacement without design modification.

Key Parameters

Parameter	Value
Resistance	90.9 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	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC2012F90R9CS are classified based on strict electrical and mechanical parameter alignment. All identified substitutes maintain identical resistance value (90.9 Ohms), tolerance (±1%), power rating (0.125W), package format (0805), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Moisture Sensitivity Level remains constant at MSL 1. All substitutes are ROHS3 compliant with 2 terminations.

Direct Manufacturer Substitutes demonstrate complete parameter equivalence with the main part and are suitable for one-to-one replacement in standard applications.

Similar Manufacturer Substitutes maintain all critical electrical and mechanical parameters but may differ in packaging format (Cut Tape vs. Tape & Reel) or include additional certifications such as AEC-Q200 automotive qualification. These parts are functionally equivalent for circuit operation but require verification of procurement and assembly process compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Op Temp Range	Height Max	Features	Product Status
RC2012F90R9CS	Samsung Electro-Mechanics	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.65mm	Moisture Resistant	Active
ERJ-6ENF90R9V	Panasonic Electronic Components	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.70mm	Automotive AEC-Q200	Active
KTR10EZPF90R9	Rohm Semiconductor	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.65mm	Automotive AEC-Q200, High Voltage	Active
RC0805FR-0790R9L	YAGEO	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.60mm	Moisture Resistant	Active
RMCF0805FT90R9	Stackpole Electronics Inc	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.65mm	Automotive AEC-Q200	Active
CRCW080590R9FKEA	Vishay Dale	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.50mm	Automotive AEC-Q200	Active
MCR10ERTF90R9	Rohm Semiconductor	90.9Ω	±1%	0.125	0805	Thick Film	±100ppm/°C	-55~155°C	0.65mm	Standard	Discontinued at DiGi Electronics

Engineering Selection Recommendations

For Standard Industrial Applications: RC0805FR-0790R9L (YAGEO) and RC2012F90R9CS (Samsung Electro-Mechanics) are directly interchangeable. Both maintain moisture-resistant characteristics and identical electrical specifications. Selection between these parts depends on procurement availability and supply chain requirements.

For Automotive Applications: ERJ-6ENF90R9V (Panasonic), KTR10EZPF90R9 (Rohm), RMCF0805FT90R9 (Stackpole), and CRCW080590R9FKEA (Vishay Dale) are qualified to AEC-Q200 automotive standards. These parts are suitable for automotive circuit designs requiring component qualification documentation. KTR10EZPF90R9 includes high voltage rating designation.

For High-Reliability Applications: All substitute parts listed maintain ROHS3 compliance and MSL 1 rating. Product status verification is required; MCR10ERTF90R9 is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term supply assurance.

Packaging Consideration: RC2012F90R9CS, ERJ-6ENF90R9V, KTR10EZPF90R9, RC0805FR-0790R9L, and RMCF0805FT90R9 are supplied in Tape & Reel format. CRCW080590R9FKEA is supplied in Cut Tape & Digi-Reel format. Assembly process compatibility must be verified before substitution.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0790R9L replace RC2012F90R9CS in any application? A: Yes. Both parts share identical electrical specifications (90.9Ω ±1%, 0.125W), package format (0805), composition (thick film), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance status (ROHS3, MSL 1). Physical height differs by 0.05mm (0.60mm vs. 0.65mm), which is within standard PCB assembly tolerances.

Q: What is the difference between moisture-resistant and AEC-Q200 qualified parts? A: Moisture-resistant designation indicates the part meets moisture resistance specifications for standard industrial environments. AEC-Q200 qualification indicates the part meets automotive industry reliability and qualification standards. Both designations are independent certifications. Parts with AEC-Q200 qualification are suitable for automotive applications; moisture-resistant parts are suitable for industrial applications.

Q: Is MCR10ERTF90R9 suitable for new designs? A: MCR10ERTF90R9 is discontinued at DiGi Electronics. For new designs requiring long-term component availability and supply chain stability, selection of active product status parts is required. Alternative active parts include RC0805FR-0790R9L, ERJ-6ENF90R9V, KTR10EZPF90R9, RMCF0805FT90R9, or CRCW080590R9FKEA.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance? A: No. Packaging format does not affect electrical performance or circuit operation. Packaging format affects procurement, storage, and assembly process compatibility. Verify assembly equipment compatibility with the selected packaging format before substitution.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance status identical to the main part RC2012F90R9CS.

Q: What does MSL 1 (Unlimited) mean for component substitution? A: MSL 1 indicates Moisture Sensitivity Level 1, which means unlimited shelf life without moisture control requirements. All listed parts maintain MSL 1 rating, ensuring equivalent moisture handling and storage requirements.

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