RC1005F6490CS Equivalent & Substitute Parts

Part Overview

The RC1005F6490CS is a 649 Ohm ±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 is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F6490CS

Samsung Electro-MechanicsIn Stock: 941RC1005F6490CS Datasheet

Current PartRFQ

CR0402-FX-6490GLF

Bourns Inc.In Stock: 28472CR0402-FX-6490GLF Datasheet

DirectRFQ

RC0402FR-07649RL

YAGEOIn Stock: 435782RC0402FR-07649RL Datasheet

DirectRFQ

ERJ-2RKF6490X

Panasonic Electronic ComponentsIn Stock: 271562ERJ-2RKF6490X Datasheet

UpgradeRFQ

AC0402FR-07649RL

YAGEOIn Stock: 63661AC0402FR-07649RL Datasheet

SimilarRFQ

CRCW0402649RFKED

Vishay DaleIn Stock: 84132CRCW0402649RFKED Datasheet

SimilarRFQ

RMCF0402FT649R

Stackpole Electronics IncIn Stock: 42107RMCF0402FT649R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F6490CS are classified based on electrical and mechanical parameter alignment. All identified substitutes maintain the core specifications: 649 Ohm resistance value, ±1% tolerance, 0402 package format, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. Substitution categories are defined as follows:

Direct Equivalents: Parts with identical electrical specifications and standard industrial qualification. These include CR0402-FX-6490GLF (Bourns Inc.) and RC0402FR-07649RL (YAGEO), both rated at 0.063W with moisture resistant or standard thick film construction.

Upgrade Substitute: ERJ-2RKF6490X (Panasonic Electronic Components) provides enhanced power rating at 0.1W (1/10W) while maintaining all other electrical parameters. This part includes automotive AEC-Q200 qualification, suitable for applications requiring higher power dissipation capability or automotive-grade reliability.

Similar Substitutes with Enhanced Features: AC0402FR-07649RL (YAGEO), CRCW0402649RFKED (Vishay Dale), and RMCF0402FT649R (Stackpole Electronics Inc.) maintain the 0.063W power rating and include automotive AEC-Q200 qualification. These parts are functionally equivalent with added automotive-grade certification for applications requiring enhanced reliability standards.

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications: CR0402-FX-6490CS (Bourns Inc.) and RC0402FR-07649RL (YAGEO) provide direct electrical equivalence to the RC1005F6490CS. Both parts maintain identical resistance, tolerance, power rating, and temperature specifications with ROHS3 compliance and MSL 1 rating. Selection between these options depends on supplier availability and inventory status.

For Automotive Applications: AC0402FR-07649RL (YAGEO), CRCW0402649RFKED (Vishay Dale), and RMCF0402FT649R (Stackpole Electronics Inc.) are qualified to automotive AEC-Q200 standard while maintaining the 0.063W power rating and all electrical parameters of the original part. These substitutes are appropriate for automotive-grade circuit designs requiring enhanced reliability certification.

For Enhanced Power Dissipation Requirements: ERJ-2RKF6490X (Panasonic Electronic Components) offers upgraded 0.1W power rating with automotive AEC-Q200 qualification. This part is suitable for applications where the original 0.063W rating is marginal and higher power dissipation capability is required, while maintaining all other electrical specifications and compliance standards.

All substitute parts are in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard PCB assembly processes and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-6490GLF be used as a direct replacement for RC1005F6490CS?

A: Yes. CR0402-FX-6490GLF is a direct electrical equivalent with identical 649 Ohm resistance, ±1% tolerance, 0.063W power rating, 0402 package format, and -55°C to 155°C operating temperature range. Both parts are ROHS3 compliant with MSL 1 rating. The primary difference is manufacturer (Bourns vs. Samsung Electro-Mechanics).

Q: What is the difference between RC0402FR-07649RL and AC0402FR-07649RL?

A: Both are YAGEO manufactured 649 Ohm ±1% 0402 resistors with identical electrical specifications. AC0402FR-07649RL includes automotive AEC-Q200 qualification and moisture resistant construction. RC0402FR-07649RL also includes moisture resistant features but does not carry AEC-Q200 certification. Selection depends on whether automotive-grade qualification is required for the application.

Q: When should ERJ-2RKF6490X be selected instead of the original RC1005F6490CS?

A: ERJ-2RKF6490X should be selected when the application requires higher power dissipation capability (0.1W vs. 0.063W) or when automotive AEC-Q200 qualification is mandatory. All other electrical parameters remain identical. The 0402 package format is unchanged, ensuring PCB layout compatibility.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All identified substitute parts are supplied in Tape & Reel (TR) packaging format, consistent with the original RC1005F6490CS packaging specification for automated assembly processes.

Q: What is the significance of MSL 1 rating for these resistors?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including the main part and substitutes, carry MSL 1 rating, ensuring no special moisture handling procedures are required during storage or assembly.

Q: Can CRCW0402649RFKED replace RC1005F6490CS in a non-automotive application?

A: Yes. CRCW0402649RFKED maintains all electrical specifications of RC1005F6490CS (649 Ohm, ±1%, 0.063W, 0402 package, -55°C to 155°C). The automotive AEC-Q200 qualification is an additional feature that does not restrict use in standard industrial applications. This part is suitable for any application compatible with the original specification.

Q: What is the height difference between AC0402FR-07649RL and other 0402 substitutes?

A: AC0402FR-07649RL has a maximum seated height of 0.015" (0.37mm), while most other 0402 substitutes specify 0.016" (0.40mm). This 0.001" difference is within standard PCB assembly tolerances and does not affect component placement or functionality in typical circuit designs.