RC2012F44R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F44R2CS is a 44.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This component is classified as Active product status with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Key Parameters

Parameter	Value
Resistance	44.2 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
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC2012F44R2CS are qualified based on the following criteria:

Electrical Parameters: Resistance value of 44.2 Ohms, tolerance of ±1%, power rating of 0.125W (1/8W), and temperature coefficient of ±100ppm/°C must match exactly.

Mechanical Parameters: Package designation of 0805 (2012 Metric) with physical dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) and two terminations are required for PCB compatibility.

Environmental Parameters: Operating temperature range of -55°C to 155°C, RoHS3 compliance, and Moisture Sensitivity Level 1 (Unlimited) must be maintained.

Composition: Thick film construction is the specified technology.

All identified substitute parts meet these criteria. Additional features such as Automotive AEC-Q200 rating represent enhanced specifications beyond the base requirements and do not disqualify a part from substitution.

Parameter Comparison

Parameter	RC2012F44R2CS (Samsung)	RC0805FR-0744R2L (YAGEO)	CRCW080544R2FKEA (Vishay Dale)	ERJ-6ENF44R2V (Panasonic)
Resistance	44.2 Ohms	44.2 Ohms	44.2 Ohms	44.2 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W
Package / Case	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 ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.024" (0.60mm)	0.020" (0.50mm)	0.028" (0.70mm)
Number of Terminations	2	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All four components listed in this reference—RC2012F44R2CS (Samsung Electro-Mechanics), RC0805FR-0744R2L (YAGEO), CRCW080544R2FKEA (Vishay Dale), and ERJ-6ENF44R2V (Panasonic Electronic Components)—maintain Active product status and satisfy identical electrical and mechanical specifications.

Compliance Alignment: All parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8533.21.0030. Moisture Sensitivity Level 1 (Unlimited) is consistent across all options.

Automotive Considerations: CRCW080544R2FKEA and ERJ-6ENF44R2V include Automotive AEC-Q200 rating, which represents qualification for automotive applications. This certification is not present in the original RC2012F44R2CS or RC0805FR-0744R2L. Selection between automotive-rated and non-automotive-rated parts depends on application requirements.

Height Variation: Seated height ranges from 0.020" (0.50mm) to 0.028" (0.70mm). For applications with height constraints, CRCW080544R2FKEA offers the minimum height profile, while ERJ-6ENF44R2V presents the maximum. The original RC2012F44R2CS and RC0805FR-0744R2L fall within the mid-range.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0744R2L replace RC2012F44R2CS directly?

A: Yes. Both components share identical electrical specifications (44.2 Ohms ±1%, 0.125W), mechanical package (0805 / 2012 Metric), temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, MSL 1). The seated height difference of 0.002" (0.06mm) is within typical PCB assembly tolerances.

Q: What is the difference between automotive-rated and standard versions?

A: CRCW080544R2FKEA (Vishay Dale) and ERJ-6ENF44R2V (Panasonic) carry Automotive AEC-Q200 qualification, indicating validation for automotive temperature cycling and reliability standards. RC2012F44R2CS and RC0805FR-0744R2L do not carry this designation. Selection depends on whether the application requires automotive-grade components.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All four components are supplied in Tape & Reel (TR) packaging, which is standard for automated PCB assembly processes.

Q: Does seated height variation affect PCB assembly?

A: Seated height ranges from 0.020" to 0.028" (0.50mm to 0.70mm). This variation is within standard PCB assembly specifications and does not affect electrical performance or mechanical fit on standard 0805 footprints. Height becomes a consideration only in applications with strict vertical space constraints.

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

A: Yes, provided the application does not have specific automotive qualification requirements. All parts meet identical electrical and thermal specifications, operate across the same temperature range, and maintain equivalent reliability characteristics under standard operating conditions.

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