RC1005F910CS 91 Ohm 0402 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC1005F910CS is a 91 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This component 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 maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Alternative equivalent and substitute parts are necessary to address supply chain flexibility, packaging format preferences, and application-specific requirements such as automotive qualification.

Key Parameters

Parameter	Value
Resistance	91 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 for the RC1005F910CS are classified based on strict electrical and mechanical parameter alignment. All substitute candidates maintain identical resistance value (91 Ohms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Mechanical compatibility is ensured through matching package dimensions and termination count (2 terminations).

Substitutes are grouped into three categories:

Direct Substitutes maintain all electrical and mechanical parameters with identical power rating (0.063W / 1/16W) and packaging format (Cut Tape or Tape & Reel). These parts are functionally interchangeable without design modification.

Upgrade Substitutes provide enhanced power rating (0.1W / 1/10W) or additional certifications (Automotive AEC-Q200) while maintaining all other core parameters. These parts offer improved performance margins or application-specific qualifications.

Similar Substitutes match all core electrical and mechanical parameters but may include additional features such as automotive qualification (AEC-Q200) or alternative packaging formats. These parts are compatible within the specified parameter constraints.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and 2-termination configuration. Packaging format variations (Cut Tape vs. Tape & Reel) do not affect electrical or mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Op Temp Range	Size (mm)	Height Max (mm)	Features	RoHS	MSL	Packaging
RC1005F910CS	Samsung Electro-Mechanics	91 Ω	±1%	0.063	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.40	Moisture Resistant	ROHS3	1	Cut Tape (CT)
CRG0402F91R	TE Connectivity Passive Product	91 Ω	±1%	0.063	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.40	—	ROHS3	1	Tape & Reel (TR)
RC0402FR-0791RL	YAGEO	91 Ω	±1%	0.063	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.40	Moisture Resistant	ROHS3	1	Tape & Reel (TR)
ERJ-2RKF91R0X	Panasonic Electronic Components	91 Ω	±1%	0.1	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.40	Automotive AEC-Q200	ROHS3	1	Cut Tape (CT) & Digi-Reel®
AC0402FR-0791RL	YAGEO	91 Ω	±1%	0.063	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.37	Automotive AEC-Q200, Moisture Resistant	ROHS3	1	Tape & Reel (TR)
CRCW040291R0FKED	Vishay Dale	91 Ω	±1%	0.063	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.40	Automotive AEC-Q200	ROHS3	1	Tape & Reel (TR)
RMCF0402FT91R0	Stackpole Electronics Inc	91 Ω	±1%	0.063	0402	Thick Film	±100ppm/°C	-55~155°C	1.00 x 0.50	0.40	Automotive AEC-Q200	ROHS3	1	Tape & Reel (TR)

Engineering Selection Recommendations

Direct Substitution (No Design Changes Required)

CRG0402F91R (TE Connectivity Passive Product) and RC0402FR-0791RL (YAGEO) are direct electrical and mechanical equivalents to RC1005F910CS. Both maintain identical resistance, tolerance, power rating, package dimensions, and operating specifications. CRG0402F91R is available in Tape & Reel packaging, while RC0402FR-0791RL includes moisture-resistant construction matching the original part. Both are ROHS3 compliant with MSL 1 rating.

Upgrade Path with Enhanced Specifications

ERJ-2RKF91R0X (Panasonic Electronic Components) provides an upgrade option with increased power rating (0.1W vs. 0.063W) and Automotive AEC-Q200 certification. This part is suitable for applications requiring automotive-grade reliability or higher thermal margin. All other electrical and mechanical parameters remain compatible with the original specification.

Application-Specific Alternatives

AC0402FR-0791RL (YAGEO) and CRCW040291R0FKED (Vishay Dale) are suitable for automotive applications requiring AEC-Q200 qualification. AC0402FR-0791RL includes moisture-resistant construction with marginally reduced seated height (0.37mm vs. 0.40mm). CRCW040291R0FKED maintains standard height specifications with automotive certification.

RMCF0402FT91R0 (Stackpole Electronics Inc) offers automotive AEC-Q200 qualification with highest inventory availability (500,200 pcs) and standard package dimensions.

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring regulatory and environmental compatibility with the original RC1005F910CS specification.

Frequently Asked Questions (FAQ)

Q: Can CRG0402F91R replace RC1005F910CS directly in production?

A: Yes. CRG0402F91R maintains identical electrical parameters (91 Ω ±1%, 0.063W, ±100ppm/°C) and mechanical dimensions (0402 package, 1.00mm x 0.50mm, 0.40mm height). The only difference is packaging format (Tape & Reel vs. Cut Tape). No design modification is required.

Q: What is the difference between RC0402FR-0791RL and RC1005F910CS?

A: Both parts are 91 Ω ±1% thick film resistors in 0402 package with identical electrical specifications. RC0402FR-0791RL is supplied in Tape & Reel format and includes moisture-resistant construction. RC1005F910CS is supplied in Cut Tape format. Electrical performance and mechanical compatibility are equivalent.

Q: When should ERJ-2RKF91R0X be selected instead of the original part?

A: ERJ-2RKF91R0X is selected when applications require Automotive AEC-Q200 qualification or when higher power dissipation margin (0.1W vs. 0.063W) is beneficial. All other parameters remain compatible. This part is suitable for automotive-grade designs or high-reliability applications.

Q: Are AC0402FR-0791RL and CRCW040291R0FKED interchangeable?

A: Both parts are 91 Ω ±1% thick film resistors with AEC-Q200 automotive certification in 0402 package. AC0402FR-0791RL includes moisture-resistant construction and has slightly reduced seated height (0.37mm). CRCW040291R0FKED maintains standard height (0.40mm). Both are electrically and mechanically compatible; selection depends on moisture resistance requirement and height constraint.

Q: Does packaging format (Cut Tape vs. Tape & Reel) affect electrical performance?

A: No. Packaging format affects only handling and assembly process. Electrical and mechanical specifications remain identical. Cut Tape is suitable for manual assembly or small-volume production. Tape & Reel is optimized for automated pick-and-place assembly in high-volume manufacturing.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity level) rating, matching the original RC1005F910CS specification.

Q: What is the significance of AEC-Q200 certification on substitute parts?

A: AEC-Q200 is an automotive industry qualification standard. Parts with this certification (ERJ-2RKF91R0X, AC0402FR-0791RL, CRCW040291R0FKED, RMCF0402FT91R0) are qualified for automotive applications and meet enhanced reliability and testing requirements. Non-automotive applications do not require this certification.

Q: Can RMCF0402FT91R0 be used in non-automotive applications?

A: Yes. RMCF0402FT91R0 is a general-purpose 91 Ω ±1% thick film resistor with AEC-Q200 automotive certification. The automotive qualification does not restrict use in non-automotive applications. This part is suitable for any application requiring the specified electrical and mechanical parameters.

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