RC1005F271CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F271CS is a 270 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This component is rated at 0.063W (1/16W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and carries ROHS3 compliance with MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient) and mechanical compatibility (package size, termination count, physical dimensions). Alternative sources provide identical or enhanced performance characteristics while maintaining the same functional requirements for circuit applications.

Key Parameters

Parameter	Value
Resistance	270 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
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.016" (0.40mm)
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on their relationship to the main part RC1005F271CS:

Direct Substitutes share identical electrical and mechanical specifications with the main part. These components can be used as one-to-one replacements without circuit modification:

CR0402-FX-2700GLF (Bourns Inc.)
CRG0402F270R (TE Connectivity Passive Product)
RC0402FR-07270RL (YAGEO)

Upgrade Substitute provides enhanced performance characteristics while maintaining compatibility:

ERJ-2RKF2700X (Panasonic Electronic Components) - Higher power rating (0.1W vs 0.063W) with AEC-Q200 automotive qualification

Similar Substitutes maintain core electrical specifications and package compatibility but include additional features or certifications:

AC0402FR-07270RL (YAGEO) - Adds AEC-Q200 automotive qualification
CRCW0402270RFKED (Vishay Dale) - Adds AEC-Q200 automotive qualification
RMCF0402FT270R (Stackpole Electronics Inc) - Adds AEC-Q200 automotive qualification

Substitution eligibility is determined by matching these critical parameters: Resistance (270 Ohms), Tolerance (±1%), Package (0402), Composition (Thick Film), Temperature Coefficient (±100ppm/°C), Operating Temperature Range (-55°C ~ 155°C), and Termination Count (2).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op Temp Range	Size (mm)	Height Max (mm)	RoHS Status	MSL	Features
RC1005F271CS	Samsung Electro-Mechanics	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Moisture Resistant
CR0402-FX-2700GLF	Bourns Inc.	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	—
CRG0402F270R	TE Connectivity Passive Product	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	—
RC0402FR-07270RL	YAGEO	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Moisture Resistant
ERJ-2RKF2700X	Panasonic Electronic Components	270 Ω	±1%	0.1W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	AEC-Q200
AC0402FR-07270RL	YAGEO	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.37	ROHS3	1	AEC-Q200, Moisture Resistant
CRCW0402270RFKED	Vishay Dale	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	AEC-Q200
RMCF0402FT270R	Stackpole Electronics Inc	270 Ω	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	AEC-Q200

Engineering Selection Recommendations

Direct Substitution (No Circuit Modification Required):

CR0402-FX-2700GLF, CRG0402F270R, and RC0402FR-07270RL provide direct functional equivalence to RC1005F271CS. All three maintain identical electrical specifications (270 Ω, ±1%, 0.063W) and mechanical compatibility (0402 package, 1.00mm x 0.50mm dimensions). All parts carry ROHS3 compliance and MSL Level 1 rating. RC0402FR-07270RL includes moisture-resistant construction matching the original part specification.

Upgrade Path (Enhanced Performance):

ERJ-2RKF2700X from Panasonic Electronic Components provides higher power dissipation capability (0.1W vs 0.063W) while maintaining identical resistance, tolerance, and package specifications. This part includes AEC-Q200 automotive qualification, suitable for applications requiring enhanced reliability margins or automotive-grade components.

Automotive-Grade Alternatives (AEC-Q200 Qualified):

AC0402FR-07270RL, CRCW0402270RFKED, and RMCF0402FT270R are AEC-Q200 qualified alternatives. These parts maintain the same electrical and mechanical specifications as the main part while adding automotive-grade reliability certification. AC0402FR-07270RL additionally includes moisture-resistant construction. Selection among these three depends on supply chain availability and preferred manufacturer.

All substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-2700GLF be used as a direct replacement for RC1005F271CS?

A: Yes. CR0402-FX-2700GLF matches all critical electrical parameters (270 Ω, ±1%, 0.063W, ±100ppm/°C) and mechanical specifications (0402 package, 1.00mm x 0.50mm, 0.40mm height). Both components are ROHS3 compliant with MSL Level 1 rating. No circuit modification is required.

Q: What is the difference between the main part and ERJ-2RKF2700X?

A: ERJ-2RKF2700X provides higher power rating (0.1W vs 0.063W) and includes AEC-Q200 automotive qualification. Electrical specifications (resistance, tolerance, temperature coefficient, operating range) remain identical. The higher power rating allows operation at higher current levels without exceeding thermal limits.

Q: Are the AEC-Q200 qualified alternatives suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents enhanced reliability testing and quality standards. Parts meeting AEC-Q200 (AC0402FR-07270RL, CRCW0402270RFKED, RMCF0402FT270R) can be used in any application where RC1005F271CS is specified. The additional qualification does not restrict use to automotive circuits.

Q: Does package height variation affect PCB assembly compatibility?

A: AC0402FR-07270RL has a maximum seated height of 0.37mm compared to 0.40mm for other parts. This 0.03mm difference is within typical PCB assembly tolerances and does not affect reflow soldering or component placement. All parts use identical 0402 package footprint.

Q: Which substitute offers the best supply availability?

A: RMCF0402FT270R (Stackpole Electronics Inc) shows the highest inventory level at 523,286 pieces. RC0402FR-07270RL (YAGEO) provides 462,841 pieces. Both represent strong supply positions for high-volume procurement.

Q: Can moisture-resistant variants be substituted for the standard version?

A: Yes. RC0402FR-07270RL and AC0402FR-07270RL include moisture-resistant construction. These variants provide equivalent or enhanced performance compared to non-moisture-resistant alternatives and can be used interchangeably in any application.

Q: What packaging formats are available for these substitutes?

A: RC1005F271CS and most substitutes are supplied in Tape & Reel (TR) format. RC0402FR-07270RL and CRCW0402270RFKED are available in Cut Tape (CT) & Digi-Reel® format. Packaging format does not affect component electrical or mechanical performance, only handling and storage logistics.

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