RC1005F2740CS Equivalent & Substitute Parts

Part Overview

The RC1005F2740CS is a 274 Ohms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This surface mount device is rated for 0.063W (1/16W) power dissipation with moisture resistant construction and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support component availability, supply chain flexibility, and application-specific requirements such as automotive qualification or enhanced power ratings.

Key Parameters

Parameter	Value
Resistance	274 Ohms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Packaging Type	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC1005F2740CS are classified based on strict electrical and mechanical parameter matching. All substitute candidates maintain identical resistance value (274 Ohms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The primary substitution criteria are:

Electrical Parameters: Resistance, tolerance, temperature coefficient, and operating temperature range must be identical across all substitute parts.

Mechanical Parameters: Package / case designation (0402), physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm), and height seated maximum (0.016" / 0.40mm) must match exactly.

Power Rating Consideration: The main part is rated at 0.063W (1/16W). One upgrade substitute (ERJ-2RKF2740X) provides enhanced power rating of 0.1W (1/10W) while maintaining all other electrical and mechanical specifications.

Compliance and Features: Substitutes are further differentiated by RoHS compliance status, REACH status, and optional automotive AEC-Q200 qualification. Moisture resistant construction is specified for the main part and one direct substitute (RC0402FR-07274RL).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op Temp Range	Features	RoHS Status	Inventory (Pcs)
RC1005F2740CS	Samsung Electro-Mechanics	274 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	ROHS3 Compliant	1136
CR0402-FX-2740GLF	Bourns Inc.	274 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	—	ROHS3 Compliant	20715
RC0402FR-07274RL	YAGEO	274 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	ROHS3 Compliant	547271
ERJ-2RKF2740X	Panasonic Electronic Components	274 Ω	±1%	0.1W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3 Compliant	74192
CRCW0402274RFKED	Vishay Dale	274 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3 Compliant	71326
CRCW0402274RFKTD	Vishay Dale	274 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	RoHS non-compliant	24932
RMCF0402FT274R	Stackpole Electronics Inc	274 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	ROHS3 Compliant	45503

Engineering Selection Recommendations

Direct Substitutes (Identical Specifications):

CR0402-FX-2740GLF (Bourns Inc.) and RC0402FR-07274RL (YAGEO) are direct functional equivalents to the RC1005F2740CS. Both maintain identical electrical parameters, power rating, package format, and operating temperature range. RC0402FR-07274RL additionally matches the moisture resistant feature of the main part. Both are ROHS3 compliant with unlimited MSL rating. Selection between these options is based on supply availability and procurement lead time.

Upgrade Substitute (Enhanced Power Rating):

ERJ-2RKF2740X (Panasonic Electronic Components) provides an upgrade path with increased power rating of 0.1W (1/10W) compared to the 0.063W rating of the main part. All other electrical and mechanical parameters remain identical. This part carries automotive AEC-Q200 qualification and ROHS3 compliance. The enhanced power rating accommodates applications requiring higher thermal dissipation capability within the same package footprint.

Automotive-Qualified Substitutes:

CRCW0402274RFKED, CRCW0402274RFKTD (Vishay Dale), and RMCF0402FT274R (Stackpole Electronics Inc.) are automotive-grade alternatives with AEC-Q200 qualification. CRCW0402274RFKED and RMCF0402FT274R are ROHS3 compliant. CRCW0402274RFKTD is RoHS non-compliant and REACH affected, limiting its use in applications requiring environmental compliance. Selection of automotive-qualified parts is appropriate for automotive, industrial, and mission-critical applications where component reliability and qualification documentation are required.

Compliance Considerations:

All recommended substitutes except CRCW0402274RFKTD maintain ROHS3 compliance status matching the main part. CRCW0402274RFKTD should be avoided in applications requiring RoHS compliance or REACH compliance.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-2740GLF be used as a direct replacement for RC1005F2740CS?

A: Yes. CR0402-FX-2740GLF is a direct substitute with identical resistance (274 Ohms), tolerance (±1%), power rating (0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between RC0402FR-07274RL and CR0402-FX-2740GLF?

A: Both are direct electrical and mechanical equivalents. RC0402FR-07274RL includes moisture resistant construction matching the main part RC1005F2740CS, while CR0402-FX-2740GLF does not specify this feature. RC0402FR-07274RL has significantly higher inventory availability (547271 pcs vs 20715 pcs).

Q: When should ERJ-2RKF2740X be selected instead of the main part?

A: ERJ-2RKF2740X should be selected when the application requires higher power dissipation capability. This part is rated at 0.1W (1/10W) compared to 0.063W (1/16W) for the main part, while maintaining identical resistance, tolerance, and package format. The enhanced power rating provides thermal margin in high-current or high-ambient-temperature applications.

Q: Are automotive-qualified substitutes compatible with non-automotive applications?

A: Yes. Automotive-qualified parts such as RMCF0402FT274R, CRCW0402274RFKED, and ERJ-2RKF2740X meet or exceed the electrical and mechanical specifications of the main part and are suitable for any application. Automotive qualification indicates enhanced reliability and process control but does not restrict use in non-automotive designs.

Q: Why is CRCW0402274RFKTD listed if it is RoHS non-compliant?

A: CRCW0402274RFKTD is included in the substitute list as it was referenced in the main part's substitute field. However, its RoHS non-compliance and REACH affected status make it unsuitable for applications requiring environmental compliance. CRCW0402274RFKED (ROHS3 compliant variant) is the recommended alternative from Vishay Dale.

Q: Do all substitute parts use the same 0402 package footprint?

A: Yes. All substitute parts use the 0402 (1005 Metric) package with identical physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm). Direct PCB footprint compatibility is maintained across all substitutes.

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

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, meaning they can be stored and handled without time-sensitive moisture precautions, simplifying inventory management and reducing component preparation overhead.

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