RC0603F2491CS Equivalent & Substitute Parts

Part Overview

The RC0603F2491CS is a 2.49 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics. This 0201 (0603 Metric) surface mount component is rated for 0.05W (1/20W) power dissipation and operates across the temperature range of -55°C to 125°C. The part is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified when they maintain identical or compatible electrical specifications, mechanical dimensions, and regulatory compliance within the same package category.

Substiute Parts

RC0603F2491CS

Samsung Electro-MechanicsIn Stock: 676RC0603F2491CS Datasheet

Current PartRFQ

CRCW02012K49FKED

Vishay DaleIn Stock: 81406CRCW02012K49FKED Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC0603F2491CS are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is based on the following parameters:

Electrical Compatibility Requirements:

• Resistance value: 2.49 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.05W minimum (equal or higher acceptable)
• Composition: Thick Film

Mechanical Compatibility Requirements:

• Package / Case: 0201 (0603 Metric) (exact match required)
• Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
• Height - Seated (Max): 0.010" (0.26mm)
• Number of Terminations: 2

Regulatory & Environmental Compatibility:

• RoHS Status: ROHS3 Compliant (minimum requirement)
• Moisture Sensitivity Level: MSL 1 or better
• REACH Status: REACH Unaffected or compliant

The CRCW02012K49FKED from Vishay Dale meets all substitution criteria and is classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The CRCW02012K49FKED from Vishay Dale is a direct equivalent to the RC0603F2491CS. Both components maintain identical electrical specifications (2.49 kOhms ±1%, 0.05W), mechanical dimensions (0201 package), and regulatory compliance (ROHS3, REACH Unaffected, MSL 1).

The substitute part offers enhanced performance characteristics in two areas: a tighter temperature coefficient (±100ppm/°C versus ±250ppm/°C) and an extended operating temperature range (-55°C to 155°C versus -55°C to 125°C). These improvements do not create incompatibility; they represent superior performance margins.

Both parts are Active product status with established supply chains. Selection between these components should be based on availability, lead time, and cost considerations, as they are functionally and mechanically interchangeable in all applications where the RC0603F2491CS is specified.

Frequently Asked Questions (FAQ)

Q: Can CRCW02012K49FKED be used as a direct replacement for RC0603F2491CS?

A: Yes. Both components share identical resistance value (2.49 kOhms), tolerance (±1%), power rating (0.05W), package (0201), and regulatory compliance (ROHS3, MSL 1). They are mechanically and electrically interchangeable.

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (Samsung Electro-Mechanics versus Vishay Dale) and performance specifications. The CRCW02012K49FKED has a tighter temperature coefficient (±100ppm/°C versus ±250ppm/°C) and extended operating temperature range (-55°C to 155°C versus -55°C to 125°C). These represent performance enhancements, not limitations.

Q: Are the physical dimensions identical?

A: Yes. Both components are packaged in 0201 (0603 Metric) with dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum seated height of 0.010" (0.26mm). They are footprint-compatible for PCB assembly.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both RC0603F2491CS and CRCW02012K49FKED are ROHS3 compliant, REACH Unaffected, and classified as MSL 1 (Unlimited moisture sensitivity level). They meet identical environmental and regulatory standards.

Q: Which part should be selected for new designs?

A: Selection should be based on availability, supply chain reliability, and cost. From a technical standpoint, both parts are equivalent. The CRCW02012K49FKED offers tighter performance specifications, which may be advantageous in applications requiring enhanced temperature stability.

Q: Are these parts suitable for high-temperature applications?

A: The RC0603F2491CS operates to 125°C maximum. The CRCW02012K49FKED extends to 155°C. For applications requiring operation above 125°C, the Vishay Dale component is the appropriate selection.