RC0402F49R9CS Equivalent & Substitute Parts

Part Overview

The RC0402F49R9CS is a 49.9 Ohm ±1% chip resistor manufactured by Samsung Electro-Mechanics, designed for surface mount applications in the 01005 (0402 Metric) package format. This thick film resistor operates across a temperature range of -55°C to 125°C with a power rating of 0.03W (1/32W) and features moisture-resistant construction. The part maintains Active product status with 980 pieces currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and design standardization across manufacturing environments.

Substiute Parts

RC0402F49R9CS

Samsung Electro-MechanicsIn Stock: 1020RC0402F49R9CS Datasheet

Current PartRFQ

CRCW010049R9FREL

Vishay DaleIn Stock: 505371CRCW010049R9FREL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC0402F49R9CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Non-Negotiable):

• Resistance value: 49.9 Ohms
• Tolerance: ±1%
• Power rating: 0.03W (1/32W)
• Temperature coefficient: ±250ppm/°C
• Operating temperature range: -55°C to 125°C

Physical Parameters (Non-Negotiable):

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

Compliance Parameters (Required):

• Composition: Thick Film
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

The CRCW010049R9FREL from Vishay Dale meets all substitution criteria and is classified as a direct equivalent part.

Parameter Comparison

Engineering Selection Recommendations

Both the RC0402F49R9CS and CRCW010049R9FREL are Active products with full ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements. Selection between these parts may be based on:

Procurement Considerations:

• RC0402F49R9CS: 980 pieces in current inventory
• CRCW010049R9FREL: 505,295 pieces in current inventory

Packaging Format:

• RC0402F49R9CS: Cut Tape (CT) packaging
• CRCW010049R9FREL: Tape & Reel (TR) packaging

Both parts are electrically and mechanically equivalent with identical performance characteristics across all specified parameters. Selection should be based on packaging requirements, inventory availability, and supply chain logistics.

Frequently Asked Questions (FAQ)

Q: Can CRCW010049R9FREL be used as a direct replacement for RC0402F49R9CS?

A: Yes. Both parts are electrically and mechanically equivalent with identical resistance value (49.9 Ohms), tolerance (±1%), power rating (0.03W), package format (01005/0402 Metric), temperature coefficient (±250ppm/°C), and operating temperature range (-55°C to 125°C). All compliance certifications match.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging consists of individual component strips cut to specified lengths, suitable for smaller volume applications. Tape & Reel packaging provides components on continuous reels, optimized for high-volume automated assembly. Both formats contain identical components; packaging selection depends on production volume and assembly equipment compatibility.

Q: Are there any moisture handling differences between these parts?

A: No. Both parts carry Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling procedures apply to both parts.

Q: Do these parts have identical thermal performance?

A: Yes. Both parts share identical temperature coefficient (±250ppm/°C) and operating temperature range (-55°C to 125°C), ensuring equivalent thermal stability and performance across the specified environmental envelope.

Q: Are both parts suitable for RoHS and REACH compliant applications?

A: Yes. Both RC0402F49R9CS and CRCW010049R9FREL are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for restricted substance compliance.