RC5025F1053CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F1053CS is a 105 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.667W (2/3W) in a 2010 (5025 Metric) package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). The part is designed for applications requiring precision resistive elements with moisture resistance in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and package standardization to support component procurement flexibility and supply chain continuity.

Substiute Parts

RC5025F1053CS

Samsung Electro-MechanicsIn Stock: 773RC5025F1053CS Datasheet

Current PartRFQ

ERJ-12SF1053U

Panasonic Electronic ComponentsIn Stock: 5947ERJ-12SF1053U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F1053CS are identified through strict alignment of electrical and mechanical parameters. The substitution logic is based on the following criteria:

Primary Matching Criteria:

• Resistance value: 105 kOhms (exact match required)
• Tolerance: ±1% (precision grade equivalence)
• Package designation: 2010 (5025 Metric) (physical and footprint compatibility)
• Composition: Thick Film (manufacturing process equivalence)
• Temperature coefficient: ±100ppm/°C (stability equivalence)
• Operating temperature range: -55°C to +155°C (environmental compatibility)
• Termination count: 2 (standard configuration)

Secondary Compatibility Factors:

• Power rating: Substitute parts rated at 0.75W (3/4W) or higher satisfy the 0.667W requirement
• RoHS3 compliance: All identified substitutes maintain regulatory alignment
• MSL rating: MSL 1 classification ensures equivalent moisture handling

The ERJ-12SF1053U from Panasonic Electronic Components meets all primary and secondary criteria, with a higher power rating (0.75W) that provides thermal margin above the original specification.

Parameter Comparison

Engineering Selection Recommendations

RC5025F1053CS (Samsung Electro-Mechanics) - Primary Selection

The RC5025F1053CS maintains Active product status, indicating ongoing manufacturer support and availability. This part is recommended for new designs and applications requiring long-term supply assurance. The component carries full RoHS3 compliance and unlimited moisture sensitivity rating, suitable for standard industrial and commercial applications.

ERJ-12SF1053U (Panasonic Electronic Components) - Secondary Selection

The ERJ-12SF1053U provides functional equivalence with identical electrical specifications and package compatibility. However, this part carries "Not For New Designs" status, indicating Panasonic has discontinued active development and may have limited future availability. The ERJ-12SF1053U is suitable for replacement, repair, and legacy system applications where existing inventory exists. The higher power rating (0.75W vs. 0.667W) provides additional thermal margin in applications operating near maximum dissipation limits.

Selection Criteria Summary:

• New designs: RC5025F1053CS (Active status, long-term availability)
• Replacement/repair: ERJ-12SF1053U (functional equivalence, existing inventory)
• Both parts: RoHS3 compliant, MSL 1 rated, identical electrical performance within tolerance specifications

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF1053U be used as a direct replacement for RC5025F1053CS?

A: Yes. Both parts share identical resistance value (105 kOhms), tolerance (±1%), package designation (2010/5025 Metric), composition (Thick Film), temperature coefficient (±100ppm/°C), and operating range (-55°C to +155°C). The ERJ-12SF1053U has a higher power rating (0.75W vs. 0.667W), which is compatible with the original specification. PCB footprints are identical, allowing direct substitution without layout modification.

Q: What is the significance of "Not For New Designs" status on the ERJ-12SF1053U?

A: This designation indicates that Panasonic has transitioned the ERJ-12SF1053U to end-of-life status and is not actively promoting it for new product development. While the part remains functionally equivalent and available from existing inventory, future availability cannot be guaranteed. For new designs, the RC5025F1053CS (Active status) is the recommended choice to ensure long-term supply continuity.

Q: Are the physical dimensions identical between these parts?

A: The package designations are identical (2010/5025 Metric), and both parts share the same length and width (0.197" L × 0.098" W / 5.00mm × 2.50mm). The seated height differs slightly: RC5025F1053CS maximum 0.026" (0.66mm) versus ERJ-12SF1053U maximum 0.028" (0.70mm). This 0.002" (0.04mm) difference is within standard PCB assembly tolerances and does not affect compatibility.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both the RC5025F1053CS and ERJ-12SF1053U are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code (8533.21.0030). Both carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no special handling or storage requirements beyond standard component practices.

Q: What is the difference in power rating, and does it affect circuit performance?

A: The RC5025F1053CS is rated at 0.667W (2/3W), while the ERJ-12SF1053U is rated at 0.75W (3/4W). The higher rating on the substitute part provides additional thermal dissipation capability without changing electrical performance. In applications where the original part operates near its power limit, the ERJ-12SF1053U offers improved thermal margin and reliability. The substitution is valid in both directions: lower-power applications can use either part, and higher-power applications benefit from the ERJ-12SF1053U rating.

Q: Are there any packaging or supply format differences?

A: The RC5025F1053CS is supplied in standard packaging format (not specified in detail). The ERJ-12SF1053U is supplied in Tape & Reel (TR) format, which is standard for high-volume automated assembly. Both formats are compatible with modern PCB assembly equipment. Tape & Reel packaging may offer cost advantages for production quantities.