RC0603J334CS Equivalent & Substitute Parts

Part Overview

The RC0603J334CS is a 330 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 standard tolerance resistive elements in compact form factors. Substitute parts are identified when equivalent electrical and mechanical specifications can be maintained while potentially offering improved performance characteristics or enhanced availability.

Substiute Parts

RC0603J334CS

Samsung Electro-MechanicsIn Stock: 847RC0603J334CS Datasheet

Current PartRFQ

CRCW0201330KFKED

Vishay DaleIn Stock: 7794CRCW0201330KFKED Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC0603J334CS is permissible when the following core electrical and mechanical parameters are maintained or enhanced:

Critical Matching Parameters:

• Resistance value: 330 kOhms (exact match required)
• Power rating: 0.05W minimum (equal or higher acceptable)
• Package / Case: 0201 (0603 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• RoHS Status: ROHS3 Compliant (minimum requirement)
• Moisture Sensitivity Level: MSL 1 or better (equal or lower MSL acceptable)

Allowable Variations:

• Tolerance: May be tighter (lower tolerance value acceptable; ±5% to ±1% represents improvement)
• Temperature Coefficient: May be lower (±250ppm/°C to ±100ppm/°C represents improvement)
• Operating Temperature Range: May be extended (higher maximum temperature acceptable)

The CRCW0201330KFKED manufactured by Vishay Dale meets all critical matching parameters while providing enhanced tolerance (±1% versus ±5%) and improved temperature coefficient (±100ppm/°C versus ±250ppm/°C).

Parameter Comparison

Engineering Selection Recommendations

Primary Part: RC0603J334CS

The RC0603J334CS is suitable for applications where standard tolerance (±5%) resistive performance is acceptable and cost optimization is a priority. This part maintains Active product status with full regulatory compliance (RoHS3, REACH Unaffected) and unlimited moisture handling capability (MSL 1).

Substitute Part: CRCW0201330KFKED

The CRCW0201330KFKED from Vishay Dale is suitable for applications requiring improved tolerance accuracy (±1%) and enhanced temperature stability (±100ppm/°C). This substitute maintains identical mechanical compatibility and package specifications while extending the operating temperature range to 155°C. Both parts carry equivalent regulatory compliance and moisture sensitivity ratings. Selection between these parts depends on circuit tolerance requirements and thermal operating conditions rather than functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can CRCW0201330KFKED directly replace RC0603J334CS in existing designs?

A: Yes. Both parts share identical resistance value (330 kOhms), power rating (0.05W), package dimensions (0201 / 0603 Metric), and termination configuration (2 terminations). Physical footprint and electrical interface are fully compatible. The substitute offers tighter tolerance and improved temperature coefficient as secondary benefits.

Q: What is the difference between ±5% and ±1% tolerance?

A: Tolerance specifies the maximum deviation from the nominal resistance value. RC0603J334CS (±5%) allows resistance between 313.5 kOhms and 346.5 kOhms. CRCW0201330KFKED (±1%) allows resistance between 326.7 kOhms and 333.3 kOhms. Tighter tolerance (±1%) is beneficial for precision analog circuits, filters, and measurement applications.

Q: Are there package or footprint differences between these parts?

A: No. Both parts use identical 0201 (0603 Metric) package with dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum seated height of 0.010" (0.26mm). PCB footprints and reflow profiles are interchangeable.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level. These parts can be stored indefinitely without moisture baking requirements prior to soldering. No special handling or dry storage conditions are necessary.

Q: Are both parts RoHS3 compliant?

A: Yes. Both RC0603J334CS and CRCW0201330KFKED carry ROHS3 Compliant status and REACH Unaffected designation, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

Q: What is the temperature coefficient difference and when does it matter?

A: RC0603J334CS has ±250ppm/°C; CRCW0201330KFKED has ±100ppm/°C. Temperature coefficient describes resistance change per degree Celsius. Lower values indicate better stability across temperature variations. This becomes critical in precision measurement circuits, temperature-compensated networks, and applications operating across wide temperature ranges (-55°C to 125°C or beyond).

Q: Can I use RC0603J334CS in applications requiring ±1% tolerance?

A: No. The RC0603J334CS tolerance specification is ±5%, which does not meet ±1% tolerance requirements. Use CRCW0201330KFKED for applications with ±1% tolerance specifications.