RC1608F4424CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4424CS is a 4.42 MOhms ±1% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Samsung Electro-Mechanics, this component is classified as Active product status with moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). Alternative equivalent parts may be required due to supply chain considerations, inventory availability, or specific application requirements such as automotive qualification.

Key Parameters

Parameter	Value	Unit
Resistance	4.42	MOhms
Tolerance	±1	%
Power Rating	0.1	W (1/10W)
Package / Case	0603 (1608 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±100	ppm/°C
Operating Temperature Range	-55 to 155	°C
Moisture Sensitivity Level	1 (Unlimited)	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F4424CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 4.42 MOhms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1 (Unlimited)

All identified substitute parts meet these mandatory parameters. Differences in physical dimensions (length, width, height) within the 0603 package specification and feature variations (moisture-resistant vs. automotive AEC-Q200 qualification) do not disqualify substitution but may influence selection based on application context.

Parameter Comparison

Parameter	RC1608F4424CS (Samsung)	RC0603FR-074M42L (YAGEO)	CRCW06034M42FKEA (Vishay Dale)
Resistance	4.42 MOhms	4.42 MOhms	4.42 MOhms
Tolerance	±1%	±1%	±1%
Power Rating	0.1W	0.1W	0.1W
Package	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)
Composition	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Length	0.063" (1.60mm)	0.063" (1.60mm)	0.061" (1.55mm)
Width	0.031" (0.80mm)	0.031" (0.80mm)	0.033" (0.85mm)
Height (Max)	0.022" (0.55mm)	0.022" (0.55mm)	0.020" (0.50mm)
Terminations	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active
Features	Moisture Resistant	Moisture Resistant	Automotive AEC-Q200

Engineering Selection Recommendations

RC0603FR-074M42L (YAGEO): This part is a direct equivalent substitute with identical electrical specifications, package dimensions, and compliance certifications. All parameters match the RC1608F4424CS without deviation. Selection is appropriate for general applications where moisture-resistant thick film construction is required.

CRCW06034M42FKEA (Vishay Dale): This part meets all mandatory electrical and compliance requirements. The physical dimensions show minor variations within 0603 package tolerance (length -0.002", width +0.002", height -0.002"). The distinguishing feature is automotive AEC-Q200 qualification, which provides additional reliability assurance for automotive applications. Selection is appropriate when automotive-grade reliability is specified or preferred, or when Vishay Dale supply chain availability is advantageous.

Both substitute parts carry Active product status and ROHS3 compliance identical to the main part. Selection between substitutes should be based on supply availability, cost considerations, and application-specific requirements such as automotive qualification needs.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-074M42L replace RC1608F4424CS in any application?

A: Yes. RC0603FR-074M42L is a direct electrical and mechanical equivalent. All critical parameters including resistance, tolerance, power rating, package, temperature range, and compliance certifications are identical. No design modifications are required.

Q: What is the difference between the YAGEO and Vishay Dale substitutes?

A: Both parts are electrically equivalent with identical resistance, tolerance, power rating, and operating specifications. The primary difference is that CRCW06034M42FKEA carries automotive AEC-Q200 qualification, while RC0603FR-074M42L carries moisture-resistant designation. Physical dimensions show minor variations within 0603 package specification tolerances.

Q: Are the physical dimension differences between parts significant?

A: The dimension variations (CRCW06034M42FKEA: 1.55mm L x 0.85mm W vs. RC1608F4424CS: 1.60mm L x 0.80mm W) fall within standard 0603 package tolerances and do not affect PCB layout compatibility or soldering processes. Height difference of 0.05mm is negligible for standard assembly operations.

Q: Which substitute should I select for automotive applications?

A: CRCW06034M42FKEA is qualified to automotive AEC-Q200 standard and is the appropriate selection when automotive reliability requirements are specified. RC0603FR-074M42L is suitable for non-automotive applications.

Q: Are all three parts RoHS compliant?

A: Yes. RC1608F4424CS, RC0603FR-074M42L, and CRCW06034M42FKEA are all ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All three parts are mechanically and electrically compatible for the same PCB footprint. No design changes are required for substitution.

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