RC1608F16R5CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F16R5CS is a 16.5 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status and is RoHS3 compliant with REACH unaffected designation. The part is designed for general-purpose applications requiring moisture-resistant thick film construction with ±100ppm/°C temperature coefficient across the -55°C to 155°C operating range. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature matching.

Key Parameters

Parameter	Value
Resistance	16.5 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 RC1608F16R5CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 16.5 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package format: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Termination count: 2
RoHS3 compliance
MSL rating: 1 (Unlimited)

All identified substitute parts meet these mandatory parameters. Substitute parts are further categorized by feature set:

Direct Equivalent (Functional Interchangeability): RC0603FR-0716R5L (YAGEO) - Identical electrical and mechanical specifications with moisture-resistant thick film construction.

Similar Parts (Feature Enhancement - Automotive Grade): CRCW060316R5FKEA (Vishay Dale), ERJ-3EKF16R5V (Panasonic Electronic Components), and RMCF0603FT16R5 (Stackpole Electronics Inc) - All include AEC-Q200 automotive qualification in addition to base specifications. Minor dimensional variations exist within acceptable tolerance ranges.

Parameter Comparison

Parameter	RC1608F16R5CS (Samsung)	RC0603FR-0716R5L (YAGEO)	CRCW060316R5FKEA (Vishay Dale)	ERJ-3EKF16R5V (Panasonic)	RMCF0603FT16R5 (Stackpole)
Resistance	16.5 Ohms	16.5 Ohms	16.5 Ohms	16.5 Ohms	16.5 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
Length	0.063" (1.60mm)	0.063" (1.60mm)	0.061" (1.55mm)	0.063" (1.60mm)	0.061" (1.55mm)
Width	0.031" (0.80mm)	0.031" (0.80mm)	0.033" (0.85mm)	0.031" (0.80mm)	0.031" (0.80mm)
Height (Max)	0.022" (0.55mm)	0.022" (0.55mm)	0.020" (0.50mm)	0.022" (0.55mm)	0.022" (0.55mm)
Moisture Sensitivity	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	Standard	Standard	AEC-Q200	AEC-Q200	AEC-Q200

Engineering Selection Recommendations

For Direct Replacement (Non-Automotive Applications): RC0603FR-0716R5L (YAGEO) provides direct functional equivalence to RC1608F16R5CS with identical electrical specifications and mechanical dimensions. Both parts carry Active product status and MSL 1 rating. Selection between these two parts is based on supply chain availability and procurement preference, as electrical performance is equivalent.

For Automotive or Enhanced Reliability Applications: CRCW060316R5FKEA (Vishay Dale), ERJ-3EKF16R5V (Panasonic Electronic Components), and RMCF0603FT16R5 (Stackpole Electronics Inc) are qualified to AEC-Q200 automotive standard. These parts maintain all mandatory electrical parameters while providing additional qualification for automotive-grade applications. Dimensional variations are within standard PCB design tolerances for 0603 package format.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original RC1608F16R5CS. MSL 1 rating across all parts indicates unlimited moisture sensitivity protection, suitable for standard storage and handling conditions.

Inventory and Availability: YAGEO RC0603FR-0716R5L offers highest inventory availability (28,191 pcs), followed by Vishay Dale CRCW060316R5FKEA (29,658 pcs) and Stackpole RMCF0603FT16R5 (33,441 pcs). Panasonic ERJ-3EKF16R5V provides largest stock position (337,437 pcs).

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-0716R5L be used as a direct drop-in replacement for RC1608F16R5CS?

A: Yes. RC0603FR-0716R5L meets all mandatory electrical and mechanical parameters: 16.5 Ohm resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1 rating. Dimensional specifications are identical.

Q: What is the difference between the standard RC1608F16R5CS and the AEC-Q200 qualified alternatives?

A: The RC1608F16R5CS is a standard thick film resistor. CRCW060316R5FKEA, ERJ-3EKF16R5V, and RMCF0603FT16R5 carry AEC-Q200 automotive qualification, indicating compliance with automotive reliability and testing standards. Electrical specifications remain identical across all parts.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist. CRCW060316R5FKEA and RMCF0603FT16R5 have slightly reduced length (0.061" vs 0.063") and height (0.020" vs 0.022" maximum). CRCW060316R5FKEA has increased width (0.033" vs 0.031"). These variations remain within standard 0603 package tolerance ranges and do not affect PCB layout compatibility.

Q: Which substitute part should be selected for cost optimization?

A: Selection based on cost requires current pricing data not provided in this reference. All substitute parts are functionally equivalent for non-automotive applications. For automotive applications, AEC-Q200 qualified parts (Vishay Dale, Panasonic, Stackpole) are required regardless of cost considerations.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry ROHS3 compliance and REACH unaffected status, matching the regulatory profile of RC1608F16R5CS.

Q: What is MSL 1 rating and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited moisture sensitivity protection. Components with MSL 1 do not require special moisture control during storage, handling, or assembly. All parts in this reference carry MSL 1 rating.

Q: Can AEC-Q200 qualified parts be used in non-automotive applications?

A: Yes. AEC-Q200 qualification represents enhanced reliability testing and is a superset of standard requirements. Parts qualified to AEC-Q200 can be used in any application where standard parts are acceptable, with the benefit of additional qualification.

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