RC5025F4872CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F4872CS is a 48.7 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated for 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative manufacturers while accommodating application-specific requirements such as higher power ratings or automotive qualification.

Substiute Parts

RC5025F4872CS

Samsung Electro-MechanicsIn Stock: 1018RC5025F4872CS Datasheet

Current PartRFQ

CRCW201048K7FKEF

Vishay DaleIn Stock: 8239CRCW201048K7FKEF Datasheet

SimilarRFQ

ERJ-12SF4872U

Panasonic Electronic ComponentsIn Stock: 3242ERJ-12SF4872U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F4872CS are qualified based on the following criteria:

Electrical Equivalence: Resistance value of 48.7 kOhms and tolerance of ±1% must be maintained. Temperature coefficient of ±100ppm/°C ensures thermal stability consistency.

Mechanical Compatibility: Package designation 2010 (5025 Metric) with identical footprint dimensions (0.197" L x 0.098" W / 5.00mm x 2.50mm) permits direct board-level substitution without layout modification.

Environmental & Compliance Alignment: Operating temperature range of -55°C ~ 155°C, ROHS3 compliance, and MSL 1 rating establish baseline environmental performance. Substitute parts maintain or exceed these specifications.

Power Rating Consideration: The RC5025F4872CS operates at 0.667W. Substitute parts rated at 0.75W (3/4W) provide equivalent or superior power handling capability within the same package footprint, representing an acceptable substitution path for applications requiring thermal margin or higher dissipation tolerance.

Product Status: Active status parts are preferred for new designs. Parts with "Not For New Designs" status are documented for legacy system support and cross-reference purposes only.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute - CRCW201048K7FKEF (Vishay Dale):

The CRCW201048K7FKEF maintains Active product status and provides direct electrical and mechanical compatibility with the RC5025F4872CS. The 0.75W power rating offers increased thermal margin within the identical 2010 package footprint. AEC-Q200 automotive qualification provides additional environmental robustness for applications requiring automotive-grade reliability. ROHS3 compliance and MSL 1 rating align with the original part specifications. This substitute is suitable for new design implementations and production transitions.

Secondary Substitute - ERJ-12SF4872U (Panasonic):

The ERJ-12SF4872U provides electrical and mechanical equivalence with identical resistance, tolerance, temperature coefficient, and operating temperature range. The 0.75W power rating and AEC-Q200 automotive qualification match the Vishay alternative. However, this part carries "Not For New Designs" product status, indicating manufacturer discontinuation or design phase-out. This substitute is applicable for legacy system maintenance, field replacements, and existing production lines where supply continuity is required. New design implementations should prioritize the CRCW201048K7FKEF.

Substitution Constraints:

All substitute parts maintain the 2010 (5025 Metric) package with identical footprint dimensions, permitting direct board-level replacement without PCB layout modification. Height variation (0.026" to 0.028") is within standard assembly tolerance ranges and does not impact mechanical clearance in typical applications. Electrical performance remains consistent across all three parts due to matching resistance, tolerance, and temperature coefficient specifications.

Frequently Asked Questions (FAQ)

Q: Can the CRCW201048K7FKEF replace the RC5025F4872CS in existing designs?

A: Yes. The CRCW201048K7FKEF provides direct substitution with identical electrical specifications (48.7 kOhms ±1%, ±100ppm/°C), mechanical compatibility (2010 package, 5.00mm x 2.50mm footprint), and environmental ratings (ROHS3, MSL 1, -55°C ~ 155°C). The higher power rating (0.75W vs. 0.667W) represents a performance upgrade within the same package envelope.

Q: What is the difference between the 0.667W and 0.75W power ratings?

A: Both ratings are specified for the 2010 (5025 Metric) package. The 0.75W rating provides additional thermal dissipation capacity, allowing the component to operate at higher current levels or ambient temperatures without exceeding maximum junction temperature. For applications operating within the original 0.667W specification, either rating is acceptable.

Q: Why is the ERJ-12SF4872U marked "Not For New Designs"?

A: "Not For New Designs" indicates that Panasonic has discontinued active development and promotion of this part number. While the component remains functionally equivalent and available in inventory, manufacturers recommend using alternative parts for new product development. This designation does not affect performance in existing applications or legacy system support.

Q: Are there any height clearance issues with substitute parts?

A: The RC5025F4872CS has a maximum seated height of 0.026" (0.66mm), while both substitute parts measure 0.028" (0.70mm). This 0.002" (0.04mm) difference is negligible for standard PCB assembly and does not create clearance conflicts in typical applications. Verify clearance only in space-constrained designs with height restrictions below 0.028".

Q: Do all three parts meet automotive qualification requirements?

A: The RC5025F4872CS does not specify automotive qualification. The CRCW201048K7FKEF and ERJ-12SF4872U both carry AEC-Q200 automotive qualification, making them suitable for automotive applications. If automotive qualification is required, select the CRCW201048K7FKEF (Active status) or ERJ-12SF4872U (legacy support).

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This eliminates the need for dry-pack storage, desiccant bags, or bake-out procedures before assembly, simplifying supply chain logistics and reducing component preparation costs.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. All three parts maintain identical operating temperature ranges (-55°C ~ 155°C) and temperature coefficients (±100ppm/°C), ensuring consistent electrical performance across the full temperature spectrum. No derating or performance adjustment is required when substituting between these parts in temperature-sensitive applications.