RC1608F1870CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1870CS is a 187 Ohms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory availability, supply chain considerations, or specific application certifications.

Key Parameters

Parameter	Value
Resistance	187 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 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

Substitution eligibility for the RC1608F1870CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 187 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Moisture Sensitivity Level: 1 (Unlimited)
RoHS compliance: ROHS3 Compliant

All identified substitute parts meet these parameters. Substitute parts are further categorized by additional certifications: moisture resistant standard specification or automotive AEC-Q200 qualification. Both categories maintain full electrical and mechanical compatibility with the primary part.

Parameter Comparison

Parameter	RC1608F1870CS (Samsung)	RC0603FR-07187RL (YAGEO)	CRCW0603187RFKEA (Vishay Dale)	ERJ-3EKF1870V (Panasonic)	RMCF0603FT187R (Stackpole)
Resistance	187 Ohms	187 Ohms	187 Ohms	187 Ohms	187 Ohms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.1W	0.1W	0.1W	0.1W	0.1W
Package	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 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
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Certification	Moisture Resistant	Moisture Resistant	AEC-Q200	AEC-Q200	AEC-Q200
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical compatibility with the RC1608F1870CS. Selection between equivalent parts is based on the following criteria:

Direct Equivalent (Moisture Resistant Standard): RC0603FR-07187RL (YAGEO) provides direct functional equivalence with identical moisture resistant specification and standard industrial application profile.

Automotive-Qualified Alternatives (AEC-Q200): CRCW0603187RFKEA (Vishay Dale), ERJ-3EKF1870V (Panasonic), and RMCF0603FT187R (Stackpole) incorporate automotive AEC-Q200 qualification. These parts are suitable for applications requiring automotive-grade reliability and are backward compatible with standard industrial designs.

All parts maintain Active product status and ROHS3 compliance. Selection should be based on supply chain availability, inventory levels, and application-specific certification requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07187RL (YAGEO) be used as a direct replacement for RC1608F1870CS?

A: Yes. RC0603FR-07187RL meets all electrical and mechanical parameters: 187 Ohms ±1%, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, MSL 1, and ROHS3 compliance. Both components feature moisture resistant thick film construction.

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

A: The RC1608F1870CS and RC0603FR-07187RL are specified with moisture resistant characteristics for standard industrial applications. The CRCW0603187RFKEA, ERJ-3EKF1870V, and RMCF0603FT187R incorporate automotive AEC-Q200 qualification, indicating compliance with automotive reliability and testing standards. AEC-Q200 parts are suitable for both automotive and industrial applications.

Q: Are there physical dimension differences between substitute parts?

A: All parts use the 0603 (1608 Metric) package. Minor dimensional variations exist within standard tolerances: length ranges from 0.061" to 0.063" (1.55mm to 1.60mm), width from 0.031" to 0.033" (0.80mm to 0.85mm), and height from 0.020" to 0.022" (0.50mm to 0.55mm). These variations remain within PCB design tolerances for 0603 footprints.

Q: Can AEC-Q200 parts replace standard moisture resistant parts in non-automotive applications?

A: Yes. AEC-Q200 qualified parts (CRCW0603187RFKEA, ERJ-3EKF1870V, RMCF0603FT187R) maintain full backward compatibility with standard industrial designs. The automotive qualification represents an additional quality assurance level and does not restrict use in non-automotive applications.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture bake requirements. All listed parts carry this rating, eliminating moisture sensitivity concerns during storage and handling.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed parts, including the primary RC1608F1870CS and all substitutes, are ROHS3 compliant and REACH unaffected.

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