RC0603J302CS Equivalent & Substitute Parts

Part Overview

The RC0603J302CS is a 3 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.05W (1/20W) in a 0201 (0603 Metric) surface mount package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for applications requiring compact form factor resistive elements with moisture resistance characteristics. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within specified tolerance and environmental operating parameters.

Substiute Parts

RC0603J302CS

Samsung Electro-MechanicsIn Stock: 1161RC0603J302CS Datasheet

Current PartRFQ

CRCW02013K00FKED

Vishay DaleIn Stock: 41801CRCW02013K00FKED Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC0603J302CS is determined by strict adherence to the following criteria:

Mandatory Matching Parameters:

• Resistance value: 3 kOhms (exact match required)
• Package type: 0201 (0603 Metric) (exact match required)
• Power rating: 0.05W minimum (equal or higher acceptable)
• Composition: Thick Film
• RoHS3 compliance status
• MSL rating: 1 or better

Allowable Variation Parameters:

• Tolerance: ±5% or tighter (lower tolerance values are acceptable upgrades)
• Temperature coefficient: ±250ppm/°C or better
• Operating temperature range: Must encompass or exceed -55°C ~ 125°C minimum
• Manufacturer: Different manufacturers permitted if all electrical and mechanical specifications are met

The CRCW02013K00FKED from Vishay Dale qualifies as a substitute because it maintains identical resistance value, package configuration, power rating, and composition while offering improved tolerance (±1% versus ±5%) and superior temperature coefficient performance (±100ppm/°C versus ±250ppm/°C).

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (RC0603J302CS): Select the RC0603J302CS when the application requires the specified ±5% tolerance and the Samsung Electro-Mechanics supply chain is established. This part maintains Active product status with confirmed inventory availability of 1063 pieces.

Substitute Part Selection (CRCW02013K00FKED): The CRCW02013K00FKED from Vishay Dale is electrically and mechanically compatible for direct substitution. This part offers performance enhancements including tighter tolerance (±1% versus ±5%) and improved temperature coefficient (±100ppm/°C versus ±250ppm/°C). The extended operating temperature range (-55°C ~ 155°C versus -55°C ~ 125°C) provides additional thermal margin. Both parts maintain identical RoHS3 and REACH compliance status. Selection of the substitute should be based on application requirements for tolerance precision and thermal performance, not on regulatory or compliance considerations, as both parts are equivalent in these aspects.

Frequently Asked Questions (FAQ)

Q: Can CRCW02013K00FKED replace RC0603J302CS in existing designs?

A: Yes. Both parts share identical resistance value (3 kOhms), package type (0201/0603 Metric), power rating (0.05W), and physical dimensions (0.024" L x 0.012" W). The substitute offers improved tolerance and temperature coefficient performance without requiring design modification.

Q: What is the tolerance difference between these parts?

A: The RC0603J302CS has ±5% tolerance, while the CRCW02013K00FKED has ±1% tolerance. The substitute provides tighter tolerance, which may improve circuit accuracy in applications sensitive to resistor value variation.

Q: Are there temperature range differences?

A: The RC0603J302CS operates from -55°C to 125°C. The CRCW02013K00FKED operates from -55°C to 155°C. The substitute supports a wider upper temperature range, providing additional thermal headroom for high-temperature applications.

Q: Do both parts have the same moisture sensitivity level?

A: Yes. Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Are both parts RoHS3 compliant?

A: Yes. Both RC0603J302CS and CRCW02013K00FKED are ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements.

Q: What is the temperature coefficient difference?

A: The RC0603J302CS has a temperature coefficient of ±250ppm/°C, while the CRCW02013K00FKED has ±100ppm/°C. The substitute exhibits superior temperature stability with lower resistance drift across the operating temperature range.

Q: Can these parts be used interchangeably in production?

A: Yes, provided the application does not require the specific tolerance or temperature coefficient of the original part. Both parts are mechanically and electrically compatible for direct PCB substitution without layout or assembly modifications.