RC1608F2740CS 274 Ohm 1% 1/10W 0603 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC1608F2740CS is a 274 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part is currently active in production status with 925 pieces available in inventory.

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain constraints require alternative sourcing, or when design specifications allow for functionally identical components from different manufacturers that meet the same electrical and mechanical parameters.

Key Parameters

Parameter	Value
Resistance	274 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Composition	Thick Film
Package / Case	0603 (1608 Metric)
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F2740CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 274 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package type: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Number of terminations: 2

Acceptable Variation Parameters:

Manufacturer identity (different manufacturers producing identical specifications)
Packaging format (Tape & Reel vs. Cut Tape & Digi-Reel)
Physical dimensions within 0603 standard tolerance
Additional certifications (AEC-Q200 automotive qualification is a superset feature)
RoHS compliance status (ROHS3 compliant parts are direct substitutes; non-compliant parts require design review)

All substitute parts listed below maintain electrical equivalence to the RC1608F2740CS across all mandatory parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Composition	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	MSL	RoHS Status	Product Status
RC1608F2740CS	Samsung Electro-Mechanics	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Active
CR0603-FX-2740ELF	Bourns Inc.	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Active
RC0603FR-07274RL	YAGEO	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Active
MCR03ERTF2740	Rohm Semiconductor	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Discontinued at DiGi Electronics
CRCW0603274RFKEA	Vishay Dale	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Active
CRCW0603274RFKTA	Vishay Dale	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	RoHS non-compliant	Active
ERJ-3EKF2740V	Panasonic Electronic Components	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Active
RMCF0603FT274R	Stackpole Electronics Inc	274 Ω	±1%	0.1	Thick Film	±100	-55 ~ 155	0603	1	ROHS3	Active

Engineering Selection Recommendations

Direct Substitutes (Highest Priority):

CR0603-FX-2740ELF (Bourns Inc.), RC0603FR-07274RL (YAGEO), CRCW0603274RFKEA (Vishay Dale), ERJ-3EKF2740V (Panasonic Electronic Components), and RMCF0603FT274R (Stackpole Electronics Inc.) are electrically and mechanically equivalent to the RC1608F2740CS. All maintain ROHS3 compliance, active production status, and identical electrical specifications. These parts are suitable for direct replacement without design modification.

Conditional Substitute (Compliance Review Required):

CRCW0603274RFKTA (Vishay Dale) is electrically equivalent but carries RoHS non-compliant status and REACH Affected designation. This part is suitable only for applications where RoHS compliance is not a design requirement or regulatory mandate.

Discontinued Part (Not Recommended for New Designs):

MCR03ERTF2740 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs. This part remains electrically equivalent but lacks current production support.

Automotive-Qualified Alternatives:

CRCW0603274RFKEA, CRCW0603274RFKTA, ERJ-3EKF2740V, and RMCF0603FT274R carry AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and are interchangeable with the standard RC1608F2740CS in non-automotive applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0603FR-07274RL (YAGEO) for RC1608F2740CS (Samsung)?

A: Yes. Both parts are 274 Ohm ±1% thick film resistors in 0603 package with 0.1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Electrical and mechanical specifications are identical. Both are ROHS3 compliant and in active production.

Q: What is the difference between CRCW0603274RFKEA and CRCW0603274RFKTA?

A: Both are Vishay Dale CRCW series 274 Ohm ±1% 0603 resistors with identical electrical specifications. CRCW0603274RFKEA is ROHS3 compliant and REACH unaffected. CRCW0603274RFKTA is RoHS non-compliant and REACH affected. Selection depends on regulatory requirements for your application.

Q: Are the automotive-qualified parts (AEC-Q200) suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents additional testing and reliability assurance beyond standard specifications. Automotive-qualified parts (ERJ-3EKF2740V, RMCF0603FT274R, CRCW0603274RFKEA, CRCW0603274RFKTA) are fully compatible with non-automotive designs and provide equivalent or superior performance.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel packaging?

A: Tape & Reel (TR) is standard continuous reel packaging for automated assembly. Cut Tape (CT) & Digi-Reel is pre-cut tape in smaller quantities. Both formats contain identical components. Selection depends on assembly equipment compatibility and order quantity requirements.

Q: Can I use ERJ-3EKF2740V as a direct replacement for RC1608F2740CS?

A: Yes. Both parts meet all mandatory electrical and mechanical parameters: 274 Ohm resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. ERJ-3EKF2740V includes AEC-Q200 automotive qualification, which is a superset feature providing additional reliability assurance.

Q: Why is MCR03ERTF2740 listed as discontinued?

A: MCR03ERTF2740 (Rohm Semiconductor) is marked as discontinued at DiGi Electronics. While electrically equivalent, this part lacks current production support and should not be selected for new designs. Use active production alternatives instead.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level. These components do not require special moisture control during storage, handling, or assembly. All listed substitute parts carry MSL 1 rating, ensuring compatibility with standard manufacturing processes.

Q: Are there any physical dimension differences between substitute parts?

A: Minor variations exist within 0603 standard tolerance. RC1608F2740CS, CR0603-FX-2740ELF, RC0603FR-07274RL, ERJ-3EKF2740V, and RMCF0603FT274R maintain 0.063" L x 0.031" W dimensions. CRCW0603274RFKEA and CRCW0603274RFKTA are 0.061" L x 0.033" W. These variations are within standard PCB footprint tolerance and do not affect interchangeability.

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