RC1608F2941CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F2941CS is a 2.94 kOhms ±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 with moisture-resistant construction and RoHS3 compliance. The part is supplied in Tape & Reel packaging with 1176 pieces currently in stock inventory.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design specifications permit the use of functionally identical components from different manufacturers.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	2.94 kOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.1W (1/10W)	Thermal dissipation capacity
Package / Case	0603 (1608 Metric)	Physical form factor
Composition	Thick Film	Construction technology
Temperature Coefficient	±100ppm/°C	Temperature stability
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Handling and storage requirements
RoHS Status	RoHS3 Compliant	Environmental compliance
Number of Terminations	2	Connection points

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F2941CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 2.94 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match required)
Number of terminations: 2 (exact match required)
RoHS compliance: RoHS3 Compliant (exact match required)
MSL rating: 1 (Unlimited) (exact match required)

Substitution Categories:

Direct Substitutes maintain all mandatory parameters with identical electrical and mechanical specifications. These parts are functionally interchangeable without design modification.

Upgrade Substitutes maintain all mandatory parameters but may have been discontinued at specific distributors. These parts retain full electrical and mechanical compatibility.

Similar Substitutes maintain all mandatory parameters but include additional certifications (AEC-Q200 automotive qualification) beyond the base specification. These parts are compatible and suitable for applications requiring automotive-grade components.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power	Package	Composition	Temp Coeff	Op Temp Range	MSL	RoHS	Product Status	Packaging Type	Inventory
Samsung Electro-Mechanics	RC1608F2941CS	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	1176
Bourns Inc.	CR0603-FX-2941ELF	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	53036
YAGEO	RC0603FR-072K94L	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Cut Tape & Digi-Reel	339924
Rohm Semiconductor	MCR03ERTF2941	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Discontinued at DiGi Electronics	Cut Tape & Digi-Reel	758
YAGEO	AC0603FR-072K94L	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	9383
Vishay Dale	CRCW06032K94FKEA	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	42090
Panasonic Electronic Components	ERJ-3EKF2941V	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	57944
Stackpole Electronics Inc	RMCF0603FG2K94	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	11090
Stackpole Electronics Inc	RMCF0603FT2K94	2.94 kΩ	±1%	0.1W	0603	Thick Film	±100ppm/°C	-55 to 155°C	1	RoHS3	Active	Tape & Reel	69073

Engineering Selection Recommendations

Direct Substitutes (Functionally Equivalent):

CR0603-FX-2941ELF (Bourns Inc.) and RC0603FR-072K94L (YAGEO) are direct substitutes with identical electrical specifications and RoHS3 compliance. Both maintain Active product status and are suitable for direct replacement in designs currently using RC1608F2941CS. RC0603FR-072K94L offers significantly higher inventory availability (339,924 units) compared to the primary part.

Upgrade Substitute (Discontinued but Available):

MCR03ERTF2941 (Rohm Semiconductor) maintains full electrical and mechanical equivalence but is discontinued at DiGi Electronics. This part retains RoHS3 compliance and identical specifications. Limited inventory (758 units) is available through alternative distribution channels.

Similar Substitutes with AEC-Q200 Certification:

AC0603FR-072K94L (YAGEO), CRCW06032K94FKEA (Vishay Dale), ERJ-3EKF2941V (Panasonic Electronic Components), RMCF0603FG2K94 (Stackpole Electronics Inc), and RMCF0603FT2K94 (Stackpole Electronics Inc) are all AEC-Q200 automotive-qualified alternatives. These parts maintain identical core electrical specifications and RoHS3 compliance. Selection of automotive-grade parts is appropriate when designs require enhanced reliability qualification or when components will be deployed in automotive applications.

All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity rating, identical operating temperature range (-55°C to 155°C), and ±100ppm/°C temperature coefficient, ensuring compatibility with existing thermal and environmental design margins.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-072K94L (YAGEO) be used as a direct replacement for RC1608F2941CS (Samsung)?

A: Yes. Both parts are 2.94 kOhms ±1% thick film resistors in 0603 package with 0.1W power rating, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, MSL 1 rating, and RoHS3 compliance. Electrical and mechanical specifications are identical. The primary difference is packaging format: RC1608F2941CS uses Tape & Reel while RC0603FR-072K94L uses Cut Tape & Digi-Reel.

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

A: AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing and traceability requirements. Parts such as AC0603FR-072K94L, CRCW06032K94FKEA, ERJ-3EKF2941V, RMCF0603FG2K94, and RMCF0603FT2K94 carry this certification. All other electrical and mechanical parameters remain identical to non-automotive versions. AEC-Q200 parts are suitable for both automotive and general industrial applications.

Q: Why is MCR03ERTF2941 marked as discontinued?

A: MCR03ERTF2941 is discontinued at DiGi Electronics but remains electrically and mechanically equivalent to RC1608F2941CS. Limited inventory (758 units) may be available through alternative distribution channels. For new designs or long-term supply requirements, selection of Active-status alternatives is recommended.

Q: Are there physical dimension differences between substitute parts?

A: Substitute parts maintain the 0603 (1608 Metric) package specification. Minor dimensional variations exist within tolerance: CRCW06032K94FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" max height, while most other parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" max height. These variations remain within standard 0603 package tolerances and do not affect PCB layout or assembly compatibility.

Q: Which substitute part offers the highest inventory availability?

A: RC0603FR-072K94L (YAGEO) provides the highest inventory availability at 339,924 units. This part is suitable for high-volume production requirements and offers supply chain continuity.

Q: Can automotive-grade parts be used in non-automotive applications?

A: Yes. AEC-Q200 qualified parts (AC0603FR-072K94L, CRCW06032K94FKEA, ERJ-3EKF2941V, RMCF0603FG2K94, RMCF0603FT2K94) maintain identical electrical specifications and can be used in any application requiring 2.94 kOhms ±1% 0.1W 0603 resistors. Automotive qualification represents additional testing and does not restrict use in general industrial, consumer, or commercial applications.

Q: What is MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL 1 indicates the component has unlimited shelf life under normal storage conditions without requiring special moisture-control packaging or baking procedures prior to assembly. All listed substitute parts carry MSL 1 rating, ensuring identical handling and storage requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance status, identical to the primary RC1608F2941CS part. This ensures compatibility with RoHS-regulated supply chains and end-market requirements.

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