RC1005F1541CS Equivalent & Substitute Parts

Part Overview

The RC1005F1541CS is a 1.54 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 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 (Unlimited) moisture sensitivity rating. The part is currently in active production status with 732 pieces available in stock.

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design specifications allow for compatible alternatives from qualified manufacturers.

Substiute Parts

RC1005F1541CS

Samsung Electro-MechanicsIn Stock: 798RC1005F1541CS Datasheet

Current PartRFQ

RC0402FR-071K54L

YAGEOIn Stock: 94654RC0402FR-071K54L Datasheet

DirectRFQ

ERJ-2RKF1541X

Panasonic Electronic ComponentsIn Stock: 194962ERJ-2RKF1541X Datasheet

UpgradeRFQ

AC0402FR-071K54L

YAGEOIn Stock: 46697AC0402FR-071K54L Datasheet

SimilarRFQ

CRCW04021K54FKED

Vishay DaleIn Stock: 60897CRCW04021K54FKED Datasheet

SimilarRFQ

RMCF0402FT1K54

Stackpole Electronics IncIn Stock: 53558RMCF0402FT1K54 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F1541CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.54 kOhms
• Tolerance: ±1%
• Package / Case: 0402 (1005 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Number of Terminations: 2
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Flexible Parameters (May Vary):

• Power Rating: Substitute parts may have equal or higher power ratings
• Manufacturer: Different qualified manufacturers
• Packaging format: Tape & Reel or Cut Tape variants
• Additional certifications: Automotive AEC-Q200 qualification is permissible as an enhancement

All substitute parts listed maintain electrical and mechanical compatibility with the original RC1005F1541CS specification.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Preferred for Non-Automotive Applications):

RC0402FR-071K54L from YAGEO is the direct functional equivalent to the RC1005F1541CS. Both components share identical electrical specifications, package dimensions, and compliance certifications. This part is suitable for applications where automotive qualification is not required. YAGEO maintains significantly higher inventory levels (94,583 pieces), providing superior supply chain availability.

Upgrade Option (Automotive and Enhanced Reliability Applications):

ERJ-2RKF1541X from Panasonic Electronic Components provides an upgrade path with AEC-Q200 automotive qualification and increased power rating (0.1W versus 0.063W). This component is appropriate for automotive-grade designs or applications requiring enhanced thermal performance margins. Panasonic maintains the largest inventory position (194,890 pieces) among all substitutes.

Automotive-Qualified Alternatives (Equal Specifications):

AC0402FR-071K54L (YAGEO), CRCW04021K54FKED (Vishay Dale), and RMCF0402FT1K54 (Stackpole) are all automotive AEC-Q200 qualified alternatives with specifications matching the original part. These components are interchangeable with the RC1005F1541CS for applications requiring automotive-grade components while maintaining identical electrical and thermal characteristics.

All listed substitutes maintain ROHS3 compliance, MSL 1 rating, and identical operating temperature ranges. Selection among equivalent parts should be based on supply availability, preferred manufacturer relationships, and application-specific automotive qualification requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-071K54L be used as a direct replacement for RC1005F1541CS?

A: Yes. RC0402FR-071K54L from YAGEO is a direct equivalent. Both components have identical resistance (1.54 kOhms), tolerance (±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1).

Q: What is the difference between the RC1005F1541CS and ERJ-2RKF1541X?

A: The primary difference is power rating and automotive qualification. ERJ-2RKF1541X has a higher power rating (0.1W versus 0.063W) and includes AEC-Q200 automotive certification. All other electrical parameters are identical. The higher power rating provides additional thermal margin but does not affect circuit functionality in applications designed for 0.063W components.

Q: Are all substitute parts automotive qualified?

A: No. RC0402FR-071K54L from YAGEO is not automotive qualified. ERJ-2RKF1541X (Panasonic), AC0402FR-071K54L (YAGEO), CRCW04021K54FKED (Vishay Dale), and RMCF0402FT1K54 (Stackpole) all carry AEC-Q200 automotive qualification. Select automotive-qualified parts only when application requirements mandate this certification.

Q: Do all substitute parts use the same package format?

A: Yes. All substitute parts use the 0402 (1005 Metric) package with identical footprint dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm). Physical board layout compatibility is maintained across all listed alternatives.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both are surface mount packaging formats suitable for automated assembly. Tape & Reel (TR) is standard for high-volume production runs. Cut Tape (CT) is used for smaller quantities or mixed component orders. Electrical and mechanical specifications are identical; packaging format selection depends on procurement volume and assembly equipment compatibility.

Q: Can I substitute a part with higher power rating in my design?

A: Yes. Substituting a component with equal or higher power rating maintains design compatibility. ERJ-2RKF1541X (0.1W) can replace RC1005F1541CS (0.063W) without circuit modification. The higher power rating provides additional thermal headroom and does not affect electrical performance in the circuit.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC1005F1541CS specification.

Q: Which substitute part has the best supply availability?

A: ERJ-2RKF1541X from Panasonic Electronic Components has the highest inventory level at 194,890 pieces, followed by RC0402FR-071K54L from YAGEO at 94,583 pieces.