RC0402F2491CS Equivalent & Substitute Parts

Part Overview

The RC0402F2491CS is a 2.49 kOhms ±1% chip resistor manufactured by Samsung Electro-Mechanics, classified as a 1/32W (0.03W) thick film resistor in the 01005 (0402 Metric) package. This component is designed for moisture-resistant applications and operates across the temperature range of -55°C to 125°C. The part maintains Active product status and is ROHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

RC0402F2491CS

Samsung Electro-MechanicsIn Stock: 863RC0402F2491CS Datasheet

Current PartRFQ

CRCW01002K49FREL

Vishay DaleIn Stock: 15196CRCW01002K49FREL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC0402F2491CS is determined by strict alignment of the following parameters:

Critical Electrical Parameters:

• Resistance value: 2.49 kOhms
• Tolerance: ±1%
• Power rating: 0.03W (1/32W)
• Temperature coefficient: ±250ppm/°C
• Operating temperature range: -55°C ~ 125°C

Critical Mechanical Parameters:

• Package / Case: 01005 (0402 Metric)
• Physical dimensions: 0.016" L x 0.008" W (0.40mm x 0.20mm)
• Height - Seated (Max): 0.006" (0.15mm)
• Number of terminations: 2

Critical Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• Packaging format: Tape & Reel (TR)

The CRCW01002K49FREL from Vishay Dale meets all specified criteria and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The CRCW01002K49FREL qualifies as a direct substitute for the RC0402F2491CS based on the following engineering criteria:

Electrical Equivalence: Both components specify identical resistance (2.49 kOhms), tolerance (±1%), power rating (0.03W), temperature coefficient (±250ppm/°C), and operating temperature range (-55°C ~ 125°C).

Mechanical Compatibility: Both parts utilize the 01005 (0402 Metric) package with identical physical dimensions (0.016" L x 0.008" W / 0.40mm x 0.20mm) and maximum seated height (0.006" / 0.15mm), ensuring direct PCB footprint compatibility.

Compliance Alignment: Both components maintain ROHS3 compliance, REACH Unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating, meeting identical regulatory and environmental requirements.

Packaging Consistency: Both parts are supplied in Tape & Reel (TR) format, maintaining supply chain compatibility.

Selection between these components depends on availability, lead time, and procurement requirements rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the CRCW01002K49FREL replace the RC0402F2491CS in existing designs?

A: Yes. The CRCW01002K49FREL is electrically and mechanically equivalent. Both components share identical resistance, tolerance, power rating, temperature coefficient, operating temperature range, package dimensions, and compliance certifications. Direct substitution is supported without design modification.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both the RC0402F2491CS and CRCW01002K49FREL are packaged in the 01005 (0402 Metric) case with dimensions of 0.016" L x 0.008" W (0.40mm x 0.20mm) and maximum seated height of 0.006" (0.15mm). PCB footprints are identical.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both components are ROHS3 compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings. Regulatory and environmental compliance is equivalent.

Q: What is the temperature coefficient specification for these resistors?

A: Both the RC0402F2491CS and CRCW01002K49FREL specify a temperature coefficient of ±250ppm/°C across the operating temperature range of -55°C to 125°C.

Q: Are these parts available in the same packaging format?

A: Yes. Both components are supplied in Tape & Reel (TR) packaging, maintaining consistency in procurement and assembly processes.

Q: What tolerance level do these resistors provide?

A: Both parts provide ±1% tolerance on the 2.49 kOhms resistance value, ensuring equivalent precision in circuit applications.