RCS0603J102CS Equivalent & Substitute Parts

Part Overview

The RCS0603J102CS is a 1 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.05W (1/20W) in a 0201 (0603 Metric) package. This component is designed for high-density surface mount applications requiring anti-sulfur and moisture-resistant characteristics. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified based on matching electrical specifications, package dimensions, and environmental performance ratings to ensure functional equivalence in circuit applications.

Substiute Parts

RCS0603J102CS

Samsung Electro-MechanicsIn Stock: 811RCS0603J102CS Datasheet

Current PartRFQ

RC0603J102CS

Samsung Electro-MechanicsIn Stock: 1735RC0603J102CS Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS0603J102CS is determined by strict alignment with the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Resistance value: 1 kOhms
• Tolerance: ±5%
• Power rating: 0.05W (1/20W)
• Package: 0201 (0603 Metric)
• Composition: Thick Film
• Temperature coefficient: ±250ppm/°C
• Operating temperature range: -55°C ~ 125°C
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

The RC0603J102CS qualifies as a direct substitute based on matching all electrical specifications, package dimensions, temperature performance, and regulatory compliance. Packaging format differences (Tape & Reel versus Cut Tape) do not affect electrical or mechanical compatibility and reflect only supply chain and assembly process variations.

Parameter Comparison

Engineering Selection Recommendations

The RC0603J102CS provides functional equivalence to the RCS0603J102CS across all critical electrical and mechanical parameters. Both components are manufactured by Samsung Electro-Mechanics and maintain identical resistance, tolerance, power rating, temperature performance, and regulatory compliance status. The marginal difference in seated height (0.25mm versus 0.26mm) remains within acceptable PCB assembly tolerances for 0201 package specifications.

Selection between these parts should be based on supply chain availability and packaging requirements. The RCS0603J102CS in Tape & Reel format is suitable for high-volume automated assembly operations. The RC0603J102CS in Cut Tape format accommodates lower-volume production runs or manual assembly workflows. Both configurations deliver equivalent electrical performance and environmental reliability in circuit applications operating within the specified temperature range.

Frequently Asked Questions (FAQ)

Q: Can RC0603J102CS replace RCS0603J102CS in production assemblies?

A: Yes. Both parts share identical electrical specifications (1 kOhms ±5%, 0.05W), package dimensions (0201 / 0603 Metric), temperature performance (±250ppm/°C, -55°C ~ 125°C), and regulatory compliance (RoHS3, MSL 1). The packaging format difference (Cut Tape versus Tape & Reel) does not affect circuit functionality or performance.

Q: What is the significance of the packaging format difference?

A: Tape & Reel (TR) packaging is optimized for high-speed automated pick-and-place assembly with continuous component feed. Cut Tape (CT) packaging is suited for lower-volume production, manual assembly, or component kit applications. Electrical and mechanical performance remain identical regardless of packaging format.

Q: Are there any height or dimensional constraints when substituting these parts?

A: The seated height difference (0.25mm for RCS0603J102CS versus 0.26mm for RC0603J102CS) is negligible for standard PCB assembly processes. Both components conform to 0201 package specifications and present no clearance or soldering issues in typical circuit board designs.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both the RCS0603J102CS and RC0603J102CS are RoHS3 compliant, REACH unaffected, and rated MSL 1 (Unlimited moisture sensitivity). They share identical operating temperature ranges (-55°C ~ 125°C) and temperature coefficient performance (±250ppm/°C).

Q: What factors should determine which substitute part to select?

A: Selection should be based on supply chain availability, packaging format requirements for your assembly process, and inventory management. From an engineering perspective, both parts are electrically and mechanically equivalent and will perform identically in circuit applications.