RC1005F43R2CS Equivalent & Substitute Parts

Part Overview

The RC1005F43R2CS is a 43.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format with 1/16W (0.063W) power rating. This component is classified as Active product status and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring 43.2 Ohm resistive elements with matching electrical and mechanical specifications.

Substiute Parts

RC1005F43R2CS

Samsung Electro-MechanicsIn Stock: 676RC1005F43R2CS Datasheet

Current PartRFQ

CR0402-FX-43R2GLF

Bourns Inc.In Stock: 7520CR0402-FX-43R2GLF Datasheet

DirectRFQ

RC0402FR-0743R2L

YAGEOIn Stock: 5476RC0402FR-0743R2L Datasheet

DirectRFQ

ERJ-2RKF43R2X

Panasonic Electronic ComponentsIn Stock: 60075ERJ-2RKF43R2X Datasheet

UpgradeRFQ

CRCW040243R2FKED

Vishay DaleIn Stock: 10370CRCW040243R2FKED Datasheet

SimilarRFQ

RMCF0402FT43R2

Stackpole Electronics IncIn Stock: 57184RMCF0402FT43R2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F43R2CS are classified based on electrical parameter equivalence and mechanical compatibility. All substitute parts maintain identical resistance value (43.2 Ohms), tolerance (±1%), package format (0402/1005 Metric), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C).

Direct Equivalents share all electrical specifications including power rating (0.063W/1/16W), composition (thick film), and compliance certifications. These parts are interchangeable without circuit redesign.

Upgrade Category includes parts with higher power ratings (0.1W/1/10W) that maintain all other specifications and add automotive-grade qualification (AEC-Q200). These parts are backward compatible for applications not requiring the higher power specification.

Similar Category includes parts with identical electrical specifications and automotive AEC-Q200 qualification. These parts are functionally equivalent with enhanced reliability ratings for automotive applications.

The key parameters determining substitution eligibility are: resistance value, tolerance, package format, temperature coefficient, and operating temperature range. Power rating compatibility is assessed based on circuit requirements.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (CR0402-FX-43R2GLF, RC0402FR-0743R2L): These parts are electrically and mechanically identical to the RC1005F43R2CS with matching power ratings and operating specifications. Selection between these options is based on inventory availability and procurement lead times. Both maintain ROHS3 compliance and MSL 1 rating.

Upgrade Option (ERJ-2RKF43R2X): This Panasonic part provides higher power rating (0.1W vs 0.063W) with automotive AEC-Q200 qualification. This part is suitable for applications requiring enhanced reliability margins or automotive-grade component qualification. The increased power rating provides thermal headroom for demanding circuit conditions.

Automotive-Qualified Alternatives (CRCW040243R2FKED, RMCF0402FT43R2): These parts maintain identical electrical specifications to the main part while adding AEC-Q200 automotive qualification. Selection of these parts is appropriate for automotive applications or where automotive-grade reliability standards are specified. Both Vishay Dale and Stackpole Electronics options are available with substantial inventory levels.

All substitute parts are Active product status with ROHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compliance equivalence.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-43R2GLF be used as a direct replacement for RC1005F43R2CS?

A: Yes. Both parts share identical resistance (43.2 Ω), tolerance (±1%), power rating (0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Physical dimensions and termination count are equivalent. No circuit redesign is required.

Q: What is the difference between the main part and ERJ-2RKF43R2X?

A: The ERJ-2RKF43R2X has a higher power rating (0.1W vs 0.063W) and includes automotive AEC-Q200 qualification. All other electrical parameters are identical. This part is suitable for applications requiring higher power dissipation capability or automotive-grade reliability certification.

Q: Are CRCW040243R2FKED and RMCF0402FT43R2 interchangeable with RC1005F43R2CS?

A: Yes, with the addition of automotive AEC-Q200 qualification. Both parts maintain identical electrical specifications (43.2 Ω, ±1%, 0.063W, 0402 package) and operating parameters. These parts are suitable for automotive applications or where enhanced reliability standards are required.

Q: Does package format differ between substitute parts?

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

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory compliance of the main part.

Q: Which substitute part has the highest inventory availability?

A: RMCF0402FT43R2 (Stackpole Electronics) has 57,132 pieces in stock, followed by ERJ-2RKF43R2X (Panasonic) with 59,998 pieces. CR0402-FX-43R2GLF (Bourns) has 7,478 pieces available.

Q: Can I use RC0402FR-0743R2L in moisture-sensitive applications?

A: Yes. RC0402FR-0743R2L includes moisture-resistant features matching the main part RC1005F43R2CS, with MSL 1 (Unlimited) rating suitable for moisture-sensitive applications.