Equivalent & Substitute Parts for RC1005F1273CS

Part Overview

The RC1005F1273CS is a 127 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This component 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 maintains Active product status and carries ROHS3 compliance with MSL Level 1 rating.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or application-specific certifications such as automotive AEC-Q200 qualification.

Substiute Parts

RC1005F1273CS

Samsung Electro-MechanicsIn Stock: 1216RC1005F1273CS Datasheet

Current PartRFQ

RC0402FR-07127KL

YAGEOIn Stock: 63784RC0402FR-07127KL Datasheet

DirectRFQ

ERJ-2RKF1273X

Panasonic Electronic ComponentsIn Stock: 741736ERJ-2RKF1273X Datasheet

UpgradeRFQ

AC0402FR-07127KL

YAGEOIn Stock: 23051AC0402FR-07127KL Datasheet

SimilarRFQ

CRCW0402127KFKED

Vishay DaleIn Stock: 51993CRCW0402127KFKED Datasheet

SimilarRFQ

RMCF0402FT127K

Stackpole Electronics IncIn Stock: 243189RMCF0402FT127K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC1005F1273CS is based on strict electrical and mechanical parameter matching:

Direct Equivalents maintain identical specifications across all critical parameters: resistance value (127 kOhms), tolerance (±1%), power rating (0.063W), package format (0402), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1).

Upgrade Substitutes exceed the original power rating specification while maintaining all other electrical parameters. These parts are suitable for applications where higher power dissipation capability provides additional design margin.

Similar Substitutes add automotive AEC-Q200 qualification to the base specification. These parts meet or exceed all original parameters and include additional reliability certifications applicable to automotive and industrial applications.

All substitute parts listed maintain the same physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and termination count (2), ensuring mechanical compatibility in PCB assembly.

Parameter Comparison

Engineering Selection Recommendations

RC0402FR-07127KL (YAGEO) serves as the primary direct equivalent, offering identical electrical and mechanical specifications with high inventory availability (63,754 pcs). This part is suitable for direct replacement in non-automotive applications requiring moisture-resistant thick film construction.

ERJ-2RKF1273X (Panasonic Electronic Components) functions as an upgrade substitute with 0.1W power rating versus the original 0.063W specification. This higher power rating provides additional thermal margin in applications subject to sustained current flow. Automotive AEC-Q200 qualification extends applicability to automotive and industrial environments.

AC0402FR-07127KL (YAGEO), CRCW0402127KFKED (Vishay Dale), and RMCF0402FT127K (Stackpole Electronics Inc) are similar substitutes combining the original 0.063W power specification with automotive AEC-Q200 certification. These parts are appropriate for applications requiring automotive-grade reliability and qualification documentation.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature range (-55°C to 155°C), ensuring regulatory and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-07127KL replace RC1005F1273CS in any application?

A: RC0402FR-07127KL maintains identical electrical parameters (127 kOhms ±1%, 0.063W, ±100ppm/°C) and physical dimensions (0402 package). Direct substitution is valid for applications not requiring automotive AEC-Q200 certification.

Q: What is the advantage of ERJ-2RKF1273X over the original part?

A: ERJ-2RKF1273X provides 0.1W power rating compared to the original 0.063W specification, offering increased thermal headroom. The part includes automotive AEC-Q200 qualification, extending use to automotive and industrial applications requiring enhanced reliability documentation.

Q: Are automotive AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification represents enhanced reliability testing and quality standards. Parts meeting this specification are fully compatible with non-automotive applications and provide additional design margin.

Q: Do all substitute parts fit the same PCB footprint?

A: All listed substitutes use the 0402 (1005 Metric) package with identical physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and 2-termination configuration. PCB footprint compatibility is maintained across all parts.

Q: What is the difference between moisture-resistant and non-moisture-resistant variants?

A: The original RC1005F1273CS and RC0402FR-07127KL include moisture-resistant thick film construction. AC0402FR-07127KL combines moisture resistance with automotive AEC-Q200 qualification. CRCW0402127KFKED and RMCF0402FT127K provide automotive qualification without explicit moisture-resistant designation. Selection depends on environmental exposure requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring regulatory compatibility and simplified handling requirements.