RC1005F56R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F56R2CS is a 56.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format with 1/16W power rating. This component is classified as Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct circuit board replacement without design modification.

Key Parameters

Parameter	Value
Resistance	56.2 Ohms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.016" (0.40mm)
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical parameter alignment:

Direct Substitutes maintain identical electrical specifications (56.2 Ohms ±1%, 0.063W power rating, ±100ppm/°C temperature coefficient) and mechanical dimensions (0402 package, 1.00mm x 0.50mm). These parts are interchangeable without circuit performance impact:

CR0402-FX-56R2GLF (Bourns Inc.)
RC0402FR-0756R2L (YAGEO)

Similar Substitutes match core electrical parameters and package dimensions but include additional certifications or feature enhancements:

ERJ-2RKF56R2X (Panasonic) – Higher power rating (0.1W) with AEC-Q200 automotive qualification
CRCW040256R2FKED (Vishay Dale) – AEC-Q200 automotive qualification
RMCF0402FT56R2 (Stackpole Electronics) – AEC-Q200 automotive qualification

All substitute parts share the following critical parameters with the main part:

Resistance value: 56.2 Ohms
Tolerance: ±1%
Package: 0402 (1005 Metric)
Temperature coefficient: ±100ppm/°C
Operating temperature: -55°C ~ 155°C
RoHS3 compliance
MSL Level 1

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	Features	RoHS Status
RC1005F56R2CS	Samsung Electro-Mechanics	56.2 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	ROHS3
CR0402-FX-56R2GLF	Bourns Inc.	56.2 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	—	ROHS3
RC0402FR-0756R2L	YAGEO	56.2 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	ROHS3
ERJ-2RKF56R2X	Panasonic Electronic Components	56.2 Ω	±1%	0.1W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3
CRCW040256R2FKED	Vishay Dale	56.2 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3
RMCF0402FT56R2	Stackpole Electronics Inc	56.2 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Non-Automotive Applications): CR0402-FX-56R2GLF and RC0402FR-0756R2L are functionally equivalent to RC1005F56R2CS. Both maintain identical electrical performance, mechanical fit, and RoHS3 compliance. Selection between these options depends on component availability and supply chain requirements.

For Automotive or Enhanced Reliability Applications: ERJ-2RKF56R2X, CRCW040256R2FKED, and RMCF0402FT56R2 incorporate AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade component certification. ERJ-2RKF56R2X provides higher power dissipation capability (0.1W versus 0.063W) while maintaining the same package footprint.

Compliance Considerations: All substitute parts maintain RoHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard PCB assembly processes and environmental regulations. REACH status is unaffected across all listed parts.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-56R2GLF replace RC1005F56R2CS in existing designs? A: Yes. Both components share identical resistance (56.2 Ω), tolerance (±1%), power rating (0.063W), package dimensions (0402), and temperature specifications (-55°C ~ 155°C). Direct substitution is electrically and mechanically compatible.

Q: What is the difference between the main part and ERJ-2RKF56R2X? A: ERJ-2RKF56R2X has a higher power rating (0.1W versus 0.063W) and includes AEC-Q200 automotive qualification. The 0402 package dimensions and electrical specifications remain identical. The higher power rating provides additional thermal margin in the same physical footprint.

Q: Are automotive-qualified parts (AEC-Q200) interchangeable with non-automotive parts? A: Automotive-qualified parts (ERJ-2RKF56R2X, CRCW040256R2FKED, RMCF0402FT56R2) meet stricter reliability and testing standards. They are functionally compatible with non-automotive designs but are not required unless automotive qualification is specified. Substituting automotive-grade parts into non-automotive applications introduces no compatibility issues.

Q: Does package size differ between substitute parts? A: No. All listed parts use the 0402 (1005 Metric) package with identical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.016" (0.40mm). PCB footprints are interchangeable.

Q: What is the significance of MSL Level 1 rating? A: MSL Level 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry this rating, eliminating moisture sensitivity concerns during storage and assembly.

Q: Can these parts be used in high-temperature applications? A: Yes. All substitute parts operate across the -55°C ~ 155°C temperature range with ±100ppm/°C temperature coefficient. This specification is consistent across all listed components.

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