RC5025F510CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F510CS is a 51 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated for 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) package. This component is classified as Active product status with full RoHS3 compliance and MSL 1 moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across alternative manufacturers while preserving functional performance in target applications.

Substiute Parts

RC5025F510CS

Samsung Electro-MechanicsIn Stock: 849RC5025F510CS Datasheet

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RC2010FK-0751RL

YAGEOIn Stock: 6204RC2010FK-0751RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F510CS are qualified based on the following criteria:

Electrical Equivalence Requirements:

• Resistance value: 51 Ohms (exact match)
• Tolerance: ±1% (exact match)
• Temperature Coefficient: ±100ppm/°C (exact match)
• Operating Temperature Range: -55°C ~ 155°C (exact match or better)

Mechanical Compatibility Requirements:

• Package / Case: 2010 (5025 Metric) (exact match)
• Composition: Thick Film (exact match)
• Features: Moisture Resistant (exact match)

Compliance & Environmental Requirements:

• RoHS3 Compliant (mandatory)
• MSL Rating: 1 (Unlimited) (exact match)
• REACH Status: REACH Unaffected (exact match)

Power Rating Consideration: Substitute parts may have equal or higher power ratings than the main part (0.667W minimum). Higher power ratings do not disqualify substitution when all other parameters are met, as they provide equivalent or superior thermal performance in the same package footprint.

Parameter Comparison

Engineering Selection Recommendations

RC2010FK-0751RL (YAGEO) as Substitute for RC5025F510CS:

The RC2010FK-0751RL qualifies as a direct substitute based on complete electrical and mechanical equivalence. All critical parameters match the main part specification: 51 Ohm resistance, ±1% tolerance, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. The 2010 (5025 Metric) package dimensions are identical, ensuring PCB layout compatibility without redesign.

The substitute part features a higher power rating (0.75W vs. 0.667W), which provides superior thermal margin in the same physical footprint. This characteristic does not introduce incompatibility; rather, it offers enhanced performance headroom for applications operating near maximum power dissipation limits.

Both parts maintain identical compliance certifications: ROHS3 Compliant, MSL 1 (Unlimited), REACH Unaffected, and EAR99 export classification. Moisture resistance properties are preserved, supporting deployment in humidity-sensitive environments.

Substitution is valid for direct component replacement in existing designs without circuit modification or thermal re-analysis requirements.

Frequently Asked Questions (FAQ)

Q: Can RC2010FK-0751RL replace RC5025F510CS in existing PCB designs?

A: Yes. Both components use identical 2010 (5025 Metric) package dimensions (5.00mm x 2.50mm length and width) with compatible seated heights (0.66mm vs. 0.65mm maximum). PCB footprints are interchangeable without layout modification.

Q: What is the significance of the higher power rating on the substitute part?

A: The RC2010FK-0751RL is rated for 0.75W compared to the RC5025F510CS at 0.667W. In the same package size, higher power rating indicates improved thermal performance. This substitution maintains or exceeds thermal capability, making it suitable for applications at or near the original part's power limits.

Q: Are the electrical characteristics identical between these parts?

A: Yes. Both parts specify 51 Ohms ±1% resistance, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating temperature range. Electrical performance is equivalent for circuit design purposes.

Q: Do compliance and environmental ratings match?

A: Yes. Both parts are ROHS3 Compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, maintain REACH Unaffected status, and share identical ECCN (EAR99) and HTSUS (8533.21.0030) classifications. Regulatory and environmental requirements are fully satisfied by the substitute.

Q: What is the composition difference, if any?

A: Both parts are thick film moisture-resistant chip resistors. Material composition and construction method are equivalent.

Q: Can the substitute part be used in high-reliability or military applications?

A: Substitution eligibility depends on application-specific qualification requirements beyond the provided parameter set. Consult application engineering documentation and procurement specifications for high-reliability or military deployment criteria.

Q: Is there any performance difference in temperature coefficient behavior?

A: No. Both parts specify ±100ppm/°C temperature coefficient across the full -55°C ~ 155°C operating range. Temperature stability characteristics are identical.