RC1005F9092CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F9092CS is a 90.9 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device 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 with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when specific application requirements necessitate alternative component selections.

Key Parameters

Parameter	Value	Specification
Resistance	90.9 kOhms	Core electrical specification
Tolerance	±1%	Precision grade
Power Rating	0.063W (1/16W)	Thermal dissipation capacity
Package	0402 (1005 Metric)	Physical form factor
Composition	Thick Film	Construction technology
Temperature Coefficient	±100ppm/°C	Stability specification
Operating Temperature	-55°C to 155°C	Environmental range
Terminations	2	Connection points
RoHS Status	ROHS3 Compliant	Environmental regulation
MSL Rating	1 (Unlimited)	Moisture sensitivity

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters: resistance value (90.9 kOhms), tolerance (±1%), package format (0402/1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and termination count (2). Parts are grouped into three categories based on substitution relationship type:

Direct Equivalents maintain identical electrical and mechanical specifications to the RC1005F9092CS, including power rating (0.063W), packaging format (Tape & Reel), and feature set (moisture resistant where applicable). These parts are pin-compatible and functionally interchangeable without circuit modification.

Upgrade Substitutes provide enhanced specifications while maintaining core electrical parameters. The ERJ-2RKF9092X offers increased power rating (0.1W vs. 0.063W) and automotive AEC-Q200 qualification, enabling use in more demanding thermal environments while preserving all other critical specifications.

Similar Substitutes share all core electrical and mechanical parameters but may include additional features (automotive qualification, anti-sulfur treatment) or minor dimensional variations (height tolerance). These parts are functionally equivalent for standard applications and offer alternative sourcing options with enhanced certifications or environmental protection.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp (°C)	Features	RoHS	Substitution Type
Samsung Electro-Mechanics	RC1005F9092CS	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Moisture Resistant	ROHS3	Main Part
Bourns Inc.	CR0402-FX-9092GLF	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	None Listed	ROHS3	Direct Equivalent
YAGEO	RC0402FR-0790K9L	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Moisture Resistant	ROHS3	Direct Equivalent
Panasonic Electronic Components	ERJ-2RKF9092X	90.9 kΩ	±1%	0.1	0402	±100ppm/°C	-55 to 155	Automotive AEC-Q200	ROHS3	Upgrade Substitute
YAGEO	AC0402FR-0790K9L	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Automotive AEC-Q200, Moisture Resistant	ROHS3	Similar Substitute
YAGEO	AF0402FR-0790K9L	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Anti-Sulfur, Automotive AEC-Q200	ROHS3	Similar Substitute
Vishay Dale	CRCW040290K9FKED	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Automotive AEC-Q200	ROHS3	Similar Substitute
Vishay Dale	CRCW040290K9FKTD	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Automotive AEC-Q200	Non-Compliant	Similar Substitute
Stackpole Electronics Inc	RMCF0402FT90K9	90.9 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155	Automotive AEC-Q200	ROHS3	Similar Substitute

Engineering Selection Recommendations

For Standard Industrial Applications: RC0402FR-0790K9L (YAGEO) and CR0402-FX-9092GLF (Bourns Inc.) provide direct functional equivalence with ROHS3 compliance and moisture resistant construction matching the original RC1005F9092CS specification. Both parts maintain identical electrical performance and thermal characteristics across the full operating temperature range.

For Automotive Applications: ERJ-2RKF9092X (Panasonic), AC0402FR-0790K9L (YAGEO), AF0402FR-0790K9L (YAGEO), CRCW040290K9FKED (Vishay Dale), and RMCF0402FT90K9 (Stackpole Electronics Inc.) incorporate AEC-Q200 automotive qualification. The ERJ-2RKF9092X offers enhanced thermal performance with 0.1W power rating. YAGEO AF0402FR-0790K9L adds anti-sulfur treatment for corrosive environments. All automotive-qualified options maintain ROHS3 compliance except CRCW040290K9FKTD.

For Compliance-Critical Designs: Prioritize parts with ROHS3 Compliant and REACH Unaffected status. CRCW040290K9FKTD exhibits RoHS non-compliance and REACH Affected status and should be avoided in regulated applications.

For High-Reliability Requirements: Parts with AEC-Q200 certification (Panasonic ERJ-2RKF9092X, YAGEO AC0402FR-0790K9L and AF0402FR-0790K9L, Vishay Dale CRCW040290K9FKED, Stackpole RMCF0402FT90K9) provide enhanced qualification and testing protocols suitable for mission-critical applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0402FR-0790K9L for RC1005F9092CS without circuit modification?

A: Yes. RC0402FR-0790K9L is a direct equivalent with identical resistance (90.9 kOhms), tolerance (±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both parts feature moisture resistant thick film construction and ROHS3 compliance. No circuit changes are required.

Q: What is the difference between the main part and ERJ-2RKF9092X?

A: ERJ-2RKF9092X is an upgrade substitute with enhanced power rating (0.1W vs. 0.063W) and automotive AEC-Q200 qualification. All core electrical specifications remain identical. The higher power rating enables operation in higher thermal stress environments. Use ERJ-2RKF9092X when automotive qualification or increased thermal margin is required.

Q: Are YAGEO AC0402FR-0790K9L and AF0402FR-0790K9L interchangeable with the original part?

A: Both are functionally equivalent substitutes with identical core specifications. AC0402FR-0790K9L adds automotive AEC-Q200 qualification and moisture resistance. AF0402FR-0790K9L adds both AEC-Q200 qualification and anti-sulfur treatment for enhanced environmental protection. Both maintain the same electrical performance and package compatibility.

Q: Why should I avoid CRCW040290K9FKTD?

A: CRCW040290K9FKTD exhibits RoHS non-compliance and REACH Affected status, making it unsuitable for applications subject to environmental regulations. Use CRCW040290K9FKED instead, which provides identical electrical specifications with ROHS3 compliance and REACH Unaffected status.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. Automotive-qualified parts (AEC-Q200) meet or exceed standard industrial specifications and are fully compatible with non-automotive designs. They provide enhanced reliability and testing protocols without any disadvantage for standard applications.

Q: What packaging formats are available for these substitutes?

A: The main part RC1005F9092CS is supplied in Tape & Reel (TR) format. Direct equivalent RC0402FR-0790K9L is available in Cut Tape (CT) & Digi-Reel format. All other substitutes are supplied in Tape & Reel (TR) format. Verify packaging compatibility with your assembly process requirements.

Q: Are all substitutes rated for -55°C to 155°C operation?

A: Yes. All listed substitutes maintain the identical operating temperature range of -55°C to 155°C with ±100ppm/°C temperature coefficient, ensuring thermal performance equivalence across the full specification envelope.

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