RC0603F4992CS Equivalent & Substitute Parts

Part Overview

The RC0603F4992CS is a 49.9 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 and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit applications.

Substiute Parts

RC0603F4992CS

Samsung Electro-MechanicsIn Stock: 802RC0603F4992CS Datasheet

Current PartRFQ

CRCW020149K9FKED

Vishay DaleIn Stock: 41385CRCW020149K9FKED Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC0603F4992CS are identified based on the following critical parameters that determine functional and mechanical interchangeability:

Electrical Parameters:

• Resistance value: 49.9 kOhms
• Tolerance: ±1%
• Power rating: 0.05W (1/20W)
• Composition: Thick Film

Mechanical Parameters:

• Package type: 0201 (0603 Metric)
• 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

Compliance & Environmental:

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• Operating temperature range compatibility

The CRCW020149K9FKED from Vishay Dale meets all critical electrical and mechanical parameters, enabling direct substitution in circuit board layouts and assembly processes.

Parameter Comparison

Engineering Selection Recommendations

Both the RC0603F4992CS and CRCW020149K9FKED are Active product status components with full RoHS3 compliance and REACH Unaffected status. The CRCW020149K9FKED offers an extended operating temperature range (-55°C to 155°C versus -55°C to 125°C) and improved temperature coefficient performance (±100ppm/°C versus ±250ppm/°C). Selection between these parts should be based on application-specific temperature requirements and thermal stability needs. Both components are suitable for direct substitution in standard circuit applications where the specified electrical and mechanical parameters are required.

Frequently Asked Questions (FAQ)

Q: Can CRCW020149K9FKED replace RC0603F4992CS in all applications?

A: Yes, the CRCW020149K9FKED meets all critical electrical and mechanical specifications for direct substitution. The extended temperature range and improved temperature coefficient of the Vishay part provide additional performance margin in temperature-sensitive applications.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both components use the 0201 (0603 Metric) package with identical 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 mechanically interchangeable on PCB layouts.

Q: What is the significance of the temperature coefficient difference?

A: The RC0603F4992CS has a temperature coefficient of ±250ppm/°C, while the CRCW020149K9FKED has ±100ppm/°C. Lower temperature coefficient values indicate better resistance stability across temperature variations. Applications requiring tighter resistance tolerance over temperature ranges benefit from the Vishay component's superior performance.

Q: Are both parts available in Tape & Reel packaging?

A: Yes. Both the RC0603F4992CS and CRCW020149K9FKED are supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes.

Q: Do these parts have the same moisture sensitivity rating?

A: Yes. Both components have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.

Q: What compliance certifications apply to both parts?

A: Both parts are RoHS3 Compliant, REACH Unaffected, and classified under ECCN EAR99 with HTSUS code 8533.21.0030.