RC2012F1183CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F1183CS is a 118 kOhms ±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 moisture resistant characteristics and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Key Parameters

Parameter	Value
Resistance	118 kOhms
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC2012F1183CS are qualified based on strict electrical and mechanical parameter alignment. The substitution criteria are:

Electrical Parameters (Must Match):

Resistance value: 118 kOhms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

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

Compliance Parameters (Must Match):

RoHS3 compliance
MSL 1 (Unlimited) rating
REACH Unaffected status

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

Parameter Comparison

Parameter	RC2012F1183CS (Samsung)	RC0805FR-07118KL (YAGEO)	CRCW0805118KFKEA (Vishay Dale)	ERJ-6ENF1183V (Panasonic)	RMCF0805FT118K (Stackpole)
Manufacturer	Samsung Electro-Mechanics	YAGEO	Vishay Dale	Panasonic Electronic Components	Stackpole Electronics Inc
Resistance	118 kOhms	118 kOhms	118 kOhms	118 kOhms	118 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W	0.125W
Package	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±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	-55°C ~ 155°C
Height - Seated (Max)	0.026" (0.66mm)	0.024" (0.60mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.026" (0.65mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical compatibility with the RC2012F1183CS. Selection among these alternatives is based on availability, supply chain considerations, and application-specific requirements:

RC0805FR-07118KL (YAGEO): Direct equivalent with moisture resistant features matching the original specification. Highest inventory availability at 78,015 pieces.

CRCW0805118KFKEA (Vishay Dale): Includes automotive AEC-Q200 qualification. Suitable for applications requiring automotive-grade reliability. Lowest seated height at 0.020" (0.50mm).

ERJ-6ENF1183V (Panasonic): Includes automotive AEC-Q200 qualification. Highest inventory availability at 95,338 pieces among automotive-qualified options.

RMCF0805FT118K (Stackpole Electronics Inc): Includes automotive AEC-Q200 qualification. Seated height of 0.026" (0.65mm) matches original specification closely.

All parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) ratings. Selection should prioritize supply chain availability and lead time requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-07118KL replace RC2012F1183CS in any application?

A: Yes. RC0805FR-07118KL meets all electrical specifications (118 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C), mechanical dimensions (0805 package, 2.00mm x 1.25mm), and compliance requirements (ROHS3, MSL 1, REACH Unaffected) of the original part.

Q: What is the difference between moisture resistant and automotive AEC-Q200 variants?

A: The RC2012F1183CS and RC0805FR-07118KL are specified as moisture resistant thick film resistors. The CRCW0805118KFKEA, ERJ-6ENF1183V, and RMCF0805FT118K include automotive AEC-Q200 qualification, which indicates additional reliability testing and qualification for automotive applications. Both types are compatible for general industrial applications.

Q: Are there height differences that affect PCB assembly?

A: Seated heights range from 0.020" (0.50mm) to 0.028" (0.70mm). These variations are within standard 0805 package tolerances and do not affect PCB assembly processes or reflow soldering compatibility.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All parts carry MSL 1 (Unlimited) rating, indicating unlimited shelf life without moisture bake requirements.

Q: Which substitute part has the best availability?

A: ERJ-6ENF1183V (Panasonic) has the highest inventory at 95,338 pieces. RC0805FR-07118KL (YAGEO) has 78,015 pieces available.

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