RCS2012F4420CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F4420CS is a 442 Ohm ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture resistant properties. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements for direct circuit board replacement applications.

Key Parameters

Parameter	Specification
Resistance Value	442 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package Type	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F4420CS are qualified based on the following criteria:

Electrical Parameters (Critical):

Resistance value: 442 Ohms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters (Critical):

Package designation: 0805 (2012 Metric)
Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
Number of terminations: 2

Compliance Parameters:

RoHS3 Compliant status
Moisture Sensitivity Level 1 (Unlimited)
REACH Unaffected status

All identified substitute parts meet these criteria. Variations in maximum seated height (0.020" to 0.028") remain within acceptable PCB assembly tolerances for 0805 package specifications.

Parameter Comparison

Parameter	RCS2012F4420CS (Samsung)	CRCW0805442RFKEA (Vishay Dale)	ERJ-6ENF4420V (Panasonic)	RC0805FR-07442RL (YAGEO)
Resistance	442 Ohms	442 Ohms	442 Ohms	442 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W
Package	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 to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C
Dimensions (L x W)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.024" (0.60mm)
Terminations	2	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three substitute parts—CRCW0805442RFKEA, ERJ-6ENF4420V, and RC0805FR-07442RL—are electrically and mechanically equivalent to the RCS2012F4420CS for direct PCB replacement applications.

CRCW0805442RFKEA (Vishay Dale): Carries AEC-Q200 automotive qualification. Lowest maximum seated height at 0.020" (0.50mm) provides optimal clearance margin for high-density PCB layouts. ROHS3 compliant with unlimited MSL rating.

ERJ-6ENF4420V (Panasonic Electronic Components): Carries AEC-Q200 automotive qualification. Highest inventory availability at 163,200 pieces. Maximum seated height of 0.028" (0.70mm) remains within 0805 package tolerance specifications. ROHS3 compliant with unlimited MSL rating.

RC0805FR-07442RL (YAGEO): Moisture resistant thick film composition. Intermediate maximum seated height at 0.024" (0.60mm). Substantial inventory availability at 113,862 pieces. ROHS3 compliant with unlimited MSL rating.

All parts maintain identical electrical performance across the specified operating temperature range of -55°C to 155°C with ±100ppm/°C temperature coefficient.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805442RFKEA replace RCS2012F4420CS in non-automotive applications?

A: Yes. The CRCW0805442RFKEA meets all electrical and mechanical specifications required for the RCS2012F4420CS. AEC-Q200 qualification indicates automotive-grade reliability and does not restrict use in non-automotive circuits.

Q: What is the significance of the height difference between substitute parts?

A: Maximum seated heights range from 0.020" to 0.028" across all parts. These variations fall within standard 0805 (2012 Metric) package tolerances and do not affect PCB assembly compatibility or electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. CRCW0805442RFKEA, ERJ-6ENF4420V, and RC0805FR-07442RL are all ROHS3 compliant with REACH Unaffected status, matching the RCS2012F4420CS compliance profile.

Q: Does moisture sensitivity level affect substitution eligibility?

A: No. All parts including the original RCS2012F4420CS carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.

Q: Can these parts be used interchangeably in the same circuit design?

A: Yes. All substitute parts maintain identical resistance value (442 Ohms), tolerance (±1%), power rating (0.125W), and temperature coefficient (±100ppm/°C). Electrical performance is equivalent across the full operating temperature range of -55°C to 155°C.

Q: What distinguishes the RCS2012F4420CS from its substitutes?

A: The RCS2012F4420CS features anti-sulfur and moisture resistant properties. CRCW0805442RFKEA and ERJ-6ENF4420V carry AEC-Q200 automotive qualification. RC0805FR-07442RL emphasizes moisture resistant composition. All parts are functionally equivalent for standard circuit applications.

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