RC1005F513CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F513CS is a 51 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format with 1/16W power rating. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance characteristics. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

RC1005F513CS

Samsung Electro-MechanicsIn Stock: 885RC1005F513CS Datasheet

Current PartRFQ

CR0402-FX-5102GLF

Bourns Inc.In Stock: 70047CR0402-FX-5102GLF Datasheet

DirectRFQ

RC0402FR-0751KL

YAGEOIn Stock: 3187RC0402FR-0751KL Datasheet

DirectRFQ

ERJ-2RKF5102X

Panasonic Electronic ComponentsIn Stock: 212028ERJ-2RKF5102X Datasheet

UpgradeRFQ

AC0402FR-0751KL

YAGEOIn Stock: 102451AC0402FR-0751KL Datasheet

SimilarRFQ

AF0402FR-0751KL

YAGEOIn Stock: 9404AF0402FR-0751KL Datasheet

SimilarRFQ

CRCW040251K0FKED

Vishay DaleIn Stock: 104843CRCW040251K0FKED Datasheet

SimilarRFQ

CRCW040251K0FKTD

Vishay DaleIn Stock: 11117CRCW040251K0FKTD Datasheet

SimilarRFQ

RMCF0402FT51K0

Stackpole Electronics IncIn Stock: 248659RMCF0402FT51K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F513CS is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria (Must Match Exactly):

• Resistance value: 51 kOhms
• Tolerance: ±1%
• Package / Case: 0402 (1005 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Number of Terminations: 2
• Moisture Sensitivity Level: 1 (Unlimited)

Secondary Compatibility Factors:

• Power rating: 0.063W (1/16W) is the baseline; higher power ratings (0.1W) represent upgrades
• Physical dimensions and height must accommodate PCB layout constraints
• RoHS3 compliance and REACH status ensure regulatory alignment
• Packaging format (Tape & Reel or Cut Tape) affects supply chain logistics but not electrical function

Substitute parts are grouped into three categories: Direct equivalents (identical specifications), upgrades (enhanced power rating), and similar variants (additional certifications or features). All listed substitutes maintain the core electrical and mechanical parameters required for direct replacement in the RC1005F513CS application.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Preferred for Drop-In Replacement):

CR0402-FX-5102GLF (Bourns Inc.) and RC0402FR-0751KL (YAGEO) are direct electrical and mechanical equivalents to the RC1005F513CS. Both maintain identical resistance, tolerance, power rating, package dimensions, and temperature specifications. RC0402FR-0751KL includes moisture resistance matching the original part. Both are ROHS3 compliant with MSL 1 rating. Selection between these options depends on packaging preference (Tape & Reel vs. Cut Tape) and supplier availability.

Upgrade Option (Enhanced Power Dissipation):

ERJ-2RKF5102X (Panasonic Electronic Components) provides a power rating upgrade from 0.063W to 0.1W while maintaining all other electrical parameters. This part is suitable for applications requiring higher thermal margin or increased power dissipation capability. Automotive AEC-Q200 certification provides additional reliability assurance for demanding environments. Physical dimensions remain compatible with 0402 package constraints.

Automotive-Qualified Alternatives (AEC-Q200 Certified):

AC0402FR-0751KL, AF0402FR-0751KL, CRCW040251K0FKED, and RMCF0402FT51K0 are all AEC-Q200 certified variants suitable for automotive and high-reliability applications. These parts maintain the baseline 0.063W power rating and all core electrical specifications. AF0402FR-0751KL adds anti-sulfur protection for corrosive environments. All are ROHS3 compliant except CRCW040251K0FKTD, which is RoHS non-compliant and REACH affected; this part should be avoided for new designs requiring regulatory compliance.

Selection Criteria:

• For general-purpose applications: CR0402-FX-5102GLF or RC0402FR-0751KL
• For automotive or high-reliability applications: ERJ-2RKF5102X, AC0402FR-0751KL, AF0402FR-0751KL, or RMCF0402FT51K0
• For applications requiring higher power dissipation: ERJ-2RKF5102X
• For corrosive or sulfur-prone environments: AF0402FR-0751KL
• Avoid: CRCW040251K0FKTD due to RoHS non-compliance and REACH affected status

Frequently Asked Questions (FAQ)

Q: Can I use ERJ-2RKF5102X as a direct replacement for RC1005F513CS?

A: ERJ-2RKF5102X is electrically compatible but has a higher power rating (0.1W vs. 0.063W). This upgrade does not create functional issues in applications designed for 0.063W; the component will simply have greater thermal margin. Physical dimensions remain within 0402 package specifications. Substitution is valid from an engineering standpoint.

Q: What is the difference between RC0402FR-0751KL and AC0402FR-0751KL?

A: Both are YAGEO 51 kOhms ±1% 0402 resistors with identical electrical specifications. AC0402FR-0751KL includes Automotive AEC-Q200 certification and moisture resistance, making it suitable for automotive and high-reliability applications. RC0402FR-0751KL is a general-purpose variant. Selection depends on application requirements and environmental conditions.

Q: Why is CRCW040251K0FKTD listed if it is RoHS non-compliant?

A: CRCW040251K0FKTD is included in the reference for historical or legacy system compatibility only. This part is RoHS non-compliant and REACH affected, making it unsuitable for new designs or applications subject to environmental regulations. CRCW040251K0FKED is the compliant alternative from Vishay Dale.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Most substitutes are available in Tape & Reel (TR) format. RC0402FR-0751KL is available in Cut Tape (CT) & Digi-Reel® format. Packaging format affects supply chain logistics and automated assembly compatibility but does not impact electrical function. Verify packaging availability with your supplier before procurement.

Q: Can I mix different manufacturers' parts in the same production batch?

A: All listed substitutes meet identical electrical and mechanical specifications (51 kOhms ±1%, 0402 package, ±100ppm/°C, -55°C to 155°C operating range). From an engineering standpoint, substitution between manufacturers is valid. However, manufacturing process variations and supplier-specific certifications may require qualification testing for critical applications. Consult your quality assurance procedures for mixed-source component policies.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component can be stored indefinitely without special moisture control measures. No baking or desiccant storage is required before soldering. All listed substitutes carry MSL 1 rating, ensuring consistent handling requirements across all alternatives.

Q: Is the height difference between 0.016" and 0.015" significant?

A: The 0.001" (0.03mm) height difference between some variants is negligible for PCB assembly. Both dimensions fall within standard 0402 package specifications and will not create clearance issues in typical circuit board designs. This minor variation does not affect substitution eligibility.