RC1005F44R2CS Equivalent & Substitute Parts

Part Overview

The RC1005F44R2CS is a 44.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated for 0.063W (1/16W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture resistance and is RoHS3 compliant with MSL 1 rating. This part is currently in active production status with 859 pieces available in inventory. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific certification requirements such as automotive AEC-Q200 qualification.

Substiute Parts

RC1005F44R2CS

Samsung Electro-MechanicsIn Stock: 873RC1005F44R2CS Datasheet

Current PartRFQ

RC0402FR-0744R2L

YAGEOIn Stock: 166595RC0402FR-0744R2L Datasheet

DirectRFQ

ERJ-2RKF44R2X

Panasonic Electronic ComponentsIn Stock: 6746ERJ-2RKF44R2X Datasheet

UpgradeRFQ

CRCW040244R2FKED

Vishay DaleIn Stock: 10412CRCW040244R2FKED Datasheet

SimilarRFQ

RMCF0402FT44R2

Stackpole Electronics IncIn Stock: 16260RMCF0402FT44R2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F44R2CS is determined by strict equivalence across the following critical parameters: resistance value (44.2 Ohms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (RoHS3, REACH Unaffected, MSL 1).

Substitute parts are grouped into two categories:

Direct Equivalents maintain identical electrical specifications and power rating (0.063W / 1/16W). These parts are functionally interchangeable without circuit redesign.

Upgrade Equivalents maintain identical electrical specifications but feature enhanced power rating (0.1W / 1/10W) or additional certifications such as automotive AEC-Q200. These parts provide superior performance margins and are suitable for applications requiring automotive-grade reliability.

All substitute parts share the same physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm), ensuring mechanical compatibility in PCB layouts.

Parameter Comparison

Engineering Selection Recommendations

RC0402FR-0744R2L (YAGEO) is a direct functional equivalent with identical electrical and mechanical specifications. This part is suitable for direct replacement in non-automotive applications where the original Samsung part is unavailable. YAGEO maintains active production status and offers significantly higher inventory availability (166,543 pieces).

ERJ-2RKF44R2X (Panasonic Electronic Components) is an upgrade equivalent featuring enhanced power rating (0.1W versus 0.063W) and automotive AEC-Q200 certification. This part is appropriate for applications requiring automotive-grade reliability or where thermal margin improvement is beneficial. The higher power rating does not affect circuit operation in applications designed for the 0.063W specification.

CRCW040244R2FKED (Vishay Dale) and RMCF0402FT44R2 (Stackpole Electronics Inc) are direct equivalents with automotive AEC-Q200 certification and identical power ratings to the original part. Both maintain active production status and are suitable for automotive applications or where AEC-Q200 qualification is required. Vishay Dale and Stackpole Electronics maintain substantial inventory levels (10,400 and 16,185 pieces respectively).

All substitute parts maintain RoHS3 compliance, REACH Unaffected status, and MSL 1 moisture sensitivity rating, ensuring regulatory and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-0744R2L replace RC1005F44R2CS in all applications?

A: Yes. RC0402FR-0744R2L is a direct equivalent with identical resistance (44.2 Ohms), tolerance (±1%), power rating (0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Physical dimensions and termination count are identical, ensuring PCB layout compatibility.

Q: What is the difference between the Panasonic ERJ-2RKF44R2X and the original Samsung part?

A: The Panasonic ERJ-2RKF44R2X maintains identical electrical specifications but features a higher power rating (0.1W versus 0.063W) and includes automotive AEC-Q200 certification. The enhanced power rating provides additional thermal margin without affecting circuit operation in applications designed for 0.063W dissipation.

Q: Are the Vishay Dale and Stackpole parts suitable for automotive applications?

A: Yes. Both CRCW040244R2FKED (Vishay Dale) and RMCF0402FT44R2 (Stackpole Electronics Inc) carry automotive AEC-Q200 certification and are suitable for automotive applications. They maintain identical electrical specifications and power rating to the original Samsung part.

Q: Does packaging type affect substitution compatibility?

A: Packaging type (Tape & Reel versus Cut Tape) affects handling and assembly processes but does not affect electrical or mechanical compatibility. RC0402FR-0744R2L is supplied in Cut Tape (CT) & Digi-Reel® format, while other substitutes use standard Tape & Reel (TR) packaging. Component selection should account for assembly equipment compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (RC0402FR-0744R2L, ERJ-2RKF44R2X, CRCW040244R2FKED, and RMCF0402FT44R2) are RoHS3 compliant with REACH Unaffected status, matching the original Samsung part specification.

Q: What is the significance of MSL 1 rating?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including the original RC1005F44R2CS, carry MSL 1 rating, ensuring consistent handling and storage procedures across all substitutes.

Q: Can the higher power-rated Panasonic part cause circuit issues?

A: No. The Panasonic ERJ-2RKF44R2X with 0.1W rating is a direct electrical equivalent with identical resistance and tolerance. The higher power rating represents increased thermal capability and does not affect circuit operation. The part operates identically to the 0.063W specification in applications designed for the original part.