RC5025F1050CS Equivalent & Substitute Parts

Part Overview

The RC5025F1050CS is a 105 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is classified as Active product status and is currently in stock with 730 pieces available.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and performance envelope. The ERJ-12SF1050U from Panasonic Electronic Components represents a functionally compatible alternative, though with modified product lifecycle status and enhanced automotive qualification.

Substiute Parts

RC5025F1050CS

Samsung Electro-MechanicsIn Stock: 754RC5025F1050CS Datasheet

Current PartRFQ

ERJ-12SF1050U

Panasonic Electronic ComponentsIn Stock: 5664ERJ-12SF1050U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F1050CS is determined by strict adherence to the following parameters:

Critical Matching Parameters:

• Resistance value: 105 Ohms
• Tolerance: ±1%
• Package footprint: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Moisture sensitivity level: MSL 1 or better
• RoHS compliance: ROHS3 Compliant

Allowable Variation:

• Power rating: Substitute parts may exceed the 0.667W specification, provided the package dimensions and thermal characteristics remain within the 2010 footprint constraints.

The ERJ-12SF1050U meets all critical matching parameters with a higher power rating of 0.75W (3/4W), maintaining identical package geometry and electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

RC5025F1050CS Selection Criteria:

• Active product status supports long-term availability and supply chain continuity
• Suitable for general industrial and commercial applications
• Recommended for new design implementations where extended product lifecycle is required

ERJ-12SF1050U Selection Criteria:

• Product status classified as "Not For New Designs" indicates end-of-life trajectory
• AEC-Q200 automotive qualification provides enhanced reliability documentation for automotive applications
• Higher power rating (0.75W vs. 0.667W) accommodates increased thermal margin in existing designs
• Identical package footprint and electrical specifications enable direct PCB-level substitution
• Selection appropriate for design refresh or component replacement in existing production

Component selection between RC5025F1050CS and ERJ-12SF1050U depends on product lifecycle requirements and application qualification standards rather than electrical performance differentiation.

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF1050U replace RC5025F1050CS in new designs?

A: Electrical and mechanical compatibility is confirmed. However, ERJ-12SF1050U carries "Not For New Designs" status. RC5025F1050CS is the recommended choice for new product development due to active product status and assured long-term availability.

Q: What is the significance of the 0.083W power rating difference?

A: The ERJ-12SF1050U 0.75W rating exceeds the RC5025F1050CS 0.667W specification. Both components share identical 2010 package dimensions. The higher rating in the substitute part provides additional thermal margin without requiring PCB layout modifications. This difference does not prevent substitution in applications designed for the lower rating.

Q: Are the package dimensions identical?

A: Length and width dimensions are identical at 0.197" L x 0.098" W (5.00mm x 2.50mm). Maximum seated height differs by 0.002" (0.04mm), with ERJ-12SF1050U at 0.028" (0.70mm) versus RC5025F1050CS at 0.026" (0.66mm). This minimal difference does not affect PCB assembly compatibility or clearance in standard 2010 footprints.

Q: What does AEC-Q200 qualification mean for the ERJ-12SF1050U?

A: AEC-Q200 is an automotive industry standard qualification for passive components. This certification documents enhanced reliability testing and performance validation specific to automotive applications. It does not affect electrical or mechanical compatibility with non-automotive applications.

Q: Are both parts RoHS compliant?

A: Both RC5025F1050CS and ERJ-12SF1050U are ROHS3 Compliant and REACH Unaffected, confirming environmental and regulatory compliance for EU and global markets.

Q: What is MSL 1 (Unlimited) moisture sensitivity?

A: MSL 1 represents the lowest moisture sensitivity classification. "Unlimited" indicates no shelf-life restrictions related to moisture exposure prior to soldering. Both components can be stored and handled without special humidity-controlled conditions.