RC1005F41R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F41R2CS is a 41.2 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 and carries ROHS3 compliance with MSL Level 1 rating. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F41R2CS

Samsung Electro-MechanicsIn Stock: 909RC1005F41R2CS Datasheet

Current PartRFQ

RC0402FR-0741R2L

YAGEOIn Stock: 14989RC0402FR-0741R2L Datasheet

DirectRFQ

ERJ-2RKF41R2X

Panasonic Electronic ComponentsIn Stock: 66231ERJ-2RKF41R2X Datasheet

UpgradeRFQ

CRCW040241R2FKED

Vishay DaleIn Stock: 26105CRCW040241R2FKED Datasheet

SimilarRFQ

RMCF0402FT41R2

Stackpole Electronics IncIn Stock: 2120RMCF0402FT41R2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F41R2CS are classified based on strict electrical and mechanical parameter matching:

Direct Equivalent Criteria:

• Resistance value: 41.2 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 0402 (1005 Metric) (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C to 155°C (exact match required)
• Composition: Thick Film (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• MSL Rating: 1 (Unlimited) (exact match required)

Upgrade Substitutes: Parts that maintain all electrical specifications but offer enhanced power rating (0.1W vs. 0.063W) or additional automotive qualification (AEC-Q200) are classified as upgrades. These provide superior performance margins while maintaining full backward compatibility.

Similar Substitutes: Parts that match all core electrical and mechanical parameters but include automotive AEC-Q200 qualification are classified as similar. These are suitable for applications requiring automotive-grade reliability without performance enhancement.

Parameter Comparison

Engineering Selection Recommendations

RC0402FR-0741R2L (YAGEO) is a direct equivalent substitute with identical electrical specifications, power rating, and package configuration. Both the main part and this substitute lack automotive qualification. Selection between these two is based on supply availability and procurement preference, with YAGEO offering higher inventory levels (14,923 pcs vs. 889 pcs).

ERJ-2RKF41R2X (Panasonic Electronic Components) functions as an upgrade substitute due to its enhanced power rating of 0.1W (1/10W) compared to the 0.063W rating of the main part. This component carries AEC-Q200 automotive qualification. The upgrade power rating provides additional thermal margin and is suitable for applications requiring automotive-grade reliability or enhanced performance headroom.

CRCW040241R2FKED (Vishay Dale) and RMCF0402FT41R2 (Stackpole Electronics Inc) are similar substitutes that maintain identical electrical and mechanical specifications to the main part while incorporating AEC-Q200 automotive qualification. These components are suitable for designs requiring automotive-grade components without the power rating enhancement offered by the Panasonic option.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature ranges. Selection criteria are based on supply chain requirements, automotive qualification necessity, and power margin requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-0741R2L replace RC1005F41R2CS in any application?

A: Yes. RC0402FR-0741R2L is a direct equivalent with identical resistance value (41.2 Ohms), tolerance (±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance ratings (ROHS3, MSL 1). No design modifications are required.

Q: What is the difference between the main part and ERJ-2RKF41R2X?

A: ERJ-2RKF41R2X has a higher power rating (0.1W vs. 0.063W) and includes AEC-Q200 automotive qualification. All other electrical parameters are identical. The higher power rating provides additional thermal dissipation capacity and is suitable for applications requiring automotive-grade components or enhanced performance margins.

Q: Are CRCW040241R2FKED and RMCF0402FT41R2 suitable for automotive applications?

A: Both components carry AEC-Q200 automotive qualification. They maintain identical electrical specifications to the main part (41.2 Ohms ±1%, 0.063W, 0402 package) and are suitable for automotive applications requiring qualified components.

Q: Does package size differ between substitute parts?

A: No. All substitute parts use the 0402 (1005 Metric) package with identical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm). PCB footprints are interchangeable.

Q: What is the significance of MSL Level 1 rating?

A: MSL Level 1 indicates unlimited shelf life without moisture baking requirements. All listed parts, including the main part and substitutes, carry this rating, eliminating moisture sensitivity concerns during storage and handling.

Q: Can I use ERJ-2RKF41R2X as a direct replacement if automotive qualification is not required?

A: Yes. ERJ-2RKF41R2X maintains all electrical specifications of the main part and offers enhanced power rating (0.1W vs. 0.063W). The additional power capacity and automotive qualification do not create incompatibility in non-automotive applications.