RC1005F682CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F682CS is a 6.8 kOhms ±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 and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity rating).

Equivalent and substitute parts are identified when component availability becomes limited, supply chain disruptions occur, or design requirements necessitate alternative sourcing from qualified manufacturers. All substitute relationships documented here are based strictly on matching electrical specifications, mechanical dimensions, and environmental ratings.

Key Parameters

Parameter	Value
Resistance	6.8 kOhms
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)
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC1005F682CS are classified into three categories based on substitution compatibility:

Direct Substitutes maintain identical electrical and mechanical specifications with no functional differences. These parts share the same resistance value (6.8 kOhms), tolerance (±1%), power rating (0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitutes differ only in manufacturer and series designation.

Upgrade Substitutes provide enhanced performance characteristics while maintaining backward compatibility. These parts retain all core electrical specifications but offer additional features such as higher power ratings or automotive-grade certifications (AEC-Q200).

Similar Substitutes meet all critical electrical and mechanical parameters but may include additional certifications or features not present in the original part. These components are functionally equivalent for standard applications.

The key parameters determining substitution eligibility are:

Resistance value: 6.8 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Package format: 0402 (1005 Metric) (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match or extended range acceptable)
Power rating: 0.063W minimum (equal or higher acceptable)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package / Case	Temperature Coefficient	Operating Temperature	Features	Substitution Type
RC1005F682CS	Samsung Electro-Mechanics	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Main Part
CR0402-FX-6801GLF	Bourns Inc.	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Thick Film	Direct Substitute
CRG0402F6K8	TE Connectivity Passive Product	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Thick Film	Direct Substitute
RC0402FR-076K8L	YAGEO	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Direct Substitute
ERJ-2RKF6801X	Panasonic Electronic Components	6.8 kOhms	±1%	0.1W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Upgrade Substitute
AC0402FR-076K8L	YAGEO	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Similar Substitute
CRCW04026K80FKED	Vishay Dale	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Similar Substitute
RMCF0402FT6K80	Stackpole Electronics Inc	6.8 kOhms	±1%	0.063W	0402 (1005 Metric)	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Similar Substitute

Engineering Selection Recommendations

Direct Substitutes (CR0402-FX-6801GLF, CRG0402F6K8, RC0402FR-076K8L) are functionally equivalent to the RC1005F682CS and may be selected based on availability and supply chain considerations. All direct substitutes maintain RoHS3 compliance and MSL Level 1 rating. The RC0402FR-076K8L from YAGEO includes moisture-resistant construction matching the original part specification.

Upgrade Substitute (ERJ-2RKF6801X) from Panasonic provides enhanced power rating (0.1W versus 0.063W) and automotive-grade AEC-Q200 certification. This part is suitable for applications requiring higher thermal margin or automotive qualification requirements. The upgrade maintains all core electrical parameters and operating temperature specifications.

Similar Substitutes (AC0402FR-076K8L, CRCW04026K80FKED, RMCF0402FT6K80) incorporate automotive AEC-Q200 certification in addition to standard specifications. These parts are appropriate for designs targeting automotive or high-reliability applications. AC0402FR-076K8L additionally includes moisture-resistant construction. All similar substitutes maintain RoHS3 compliance and MSL Level 1 rating.

All substitute parts listed are Active status components with current manufacturing support and established supply availability.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-6801GLF replace RC1005F682CS in existing designs?

A: Yes. CR0402-FX-6801GLF is a direct substitute with identical electrical specifications (6.8 kOhms ±1%, 0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). No circuit modifications are required.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (CR0402-FX-6801GLF, CRG0402F6K8, RC0402FR-076K8L) match all electrical and mechanical specifications without additional certifications. Similar substitutes (AC0402FR-076K8L, CRCW04026K80FKED, RMCF0402FT6K80) include automotive AEC-Q200 certification, making them suitable for automotive applications while maintaining full backward compatibility.

Q: Is ERJ-2RKF6801X compatible with designs using RC1005F682CS?

A: Yes. ERJ-2RKF6801X is an upgrade substitute with higher power rating (0.1W versus 0.063W) and AEC-Q200 certification. All core electrical parameters match the original part. The higher power rating provides additional thermal margin without affecting circuit operation.

Q: Do all substitute parts have the same package dimensions?

A: Yes. All substitute parts use the 0402 (1005 Metric) package format with dimensions 0.039" L x 0.020" W (1.00mm x 0.50mm). Maximum seated height is 0.016" (0.40mm) for most substitutes, with AC0402FR-076K8L at 0.015" (0.37mm), which remains within standard PCB assembly tolerances.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of the RC1005F682CS.

Q: Which substitute offers the best availability?

A: RMCF0402FT6K80 from Stackpole Electronics Inc shows the highest inventory level at 220,567 pieces. AC0402FR-076K8L from YAGEO provides 493,331 pieces in stock. Both parts are suitable for immediate procurement.

Q: Can I use automotive-grade substitutes in non-automotive applications?

A: Yes. Automotive-grade parts (AC0402FR-076K8L, CRCW04026K80FKED, RMCF0402FT6K80, ERJ-2RKF6801X) meet or exceed standard industrial specifications and are fully compatible with non-automotive designs. The additional AEC-Q200 certification provides enhanced reliability margins.

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