RCS0603J563CS Equivalent & Substitute Parts

Part Overview

The RCS0603J563CS is a 56 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 construction. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and environmental specifications can be maintained across alternative manufacturer offerings or series variants.

Substiute Parts

RCS0603J563CS

Samsung Electro-MechanicsIn Stock: 825RCS0603J563CS Datasheet

Current PartRFQ

RC0603F563CS

Samsung Electro-MechanicsIn Stock: 9174RC0603F563CS Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS0603J563CS is determined by the following criteria:

Mandatory Matching Parameters:

• Resistance value: 56 kOhms (exact match required)
• Package / Case: 0201 (0603 Metric) (exact match required for PCB compatibility)
• Power rating: 0.05W minimum (equal or higher acceptable)
• Composition: Thick Film (maintains electrical performance characteristics)
• Operating temperature range: -55°C ~ 125°C minimum (equal or wider range acceptable)

Compatible Variation Parameters:

• Tolerance: ±5% or tighter (±1% tolerance is a compatible upgrade)
• Temperature coefficient: ±250ppm/°C (equivalent across substitute candidates)
• RoHS compliance: ROHS3 required (all candidates meet this requirement)
• Moisture sensitivity: MSL 1 (unlimited handling acceptable)

The RC0603F563CS qualifies as a direct substitute based on matching all mandatory parameters while offering improved tolerance specification (±1% versus ±5%), representing a performance upgrade within the same package and electrical class.

Parameter Comparison

Engineering Selection Recommendations

RCS0603J563CS (Main Part):

• Active product status with established supply chain
• Anti-sulfur feature provides enhanced environmental protection in corrosive atmospheres
• ±5% tolerance suitable for general-purpose applications
• Tape & Reel packaging optimized for high-volume automated assembly
• 778 units in current inventory

RC0603F563CS (Substitute):

• Active product status with higher inventory availability (9114 units)
• ±1% tolerance provides superior accuracy for precision circuit applications
• Moisture-resistant construction maintains reliability in humid environments
• Cut Tape packaging suitable for lower-volume or mixed-component assembly
• Marginal height difference (0.26mm vs 0.25mm) remains within standard PCB assembly tolerances

Both parts maintain full regulatory compliance (ROHS3, REACH Unaffected, EAR99 classification). Selection between main and substitute part should be based on tolerance requirements, packaging format preference, and inventory availability for the specific application.

Frequently Asked Questions (FAQ)

Q: Can RC0603F563CS replace RCS0603J563CS in all applications?

A: Yes, within the electrical and mechanical parameters specified. The RC0603F563CS provides equivalent or superior performance due to tighter tolerance (±1% vs ±5%), identical power rating, package dimensions, and operating temperature range. Both parts are manufactured by Samsung Electro-Mechanics and maintain identical RoHS3 compliance.

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

A: Tolerance defines the acceptable deviation from the nominal 56 kOhm resistance value. RCS0603J563CS allows deviation between 53.2 kOhms and 58.8 kOhms. RC0603F563CS allows deviation between 55.44 kOhms and 56.56 kOhms. Applications requiring tighter resistance accuracy benefit from the ±1% specification.

Q: Are the physical dimensions identical?

A: Dimensions are functionally identical. Both parts measure 0.024" L x 0.012" W (0.60mm x 0.30mm). Maximum seated height differs by 0.01mm (0.25mm vs 0.26mm), which is negligible for standard PCB assembly and does not affect footprint compatibility.

Q: What is the significance of the anti-sulfur feature in RCS0603J563CS?

A: Anti-sulfur construction protects against sulfur-containing atmospheric contaminants that can degrade solder joints and component leads. This feature is beneficial in industrial or marine environments. RC0603F563CS provides standard moisture-resistant construction without specific anti-sulfur treatment.

Q: Does packaging format affect electrical performance?

A: No. Tape & Reel (TR) and Cut Tape (CT) packaging formats do not affect electrical characteristics. Selection depends on assembly process requirements: Tape & Reel is optimized for continuous automated pick-and-place operations, while Cut Tape suits lower-volume or manual assembly workflows.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both parts operate across -55°C to 125°C, meeting standard industrial temperature requirements. Temperature coefficient of ±250ppm/°C is identical for both parts, ensuring predictable resistance variation across the operating range.

Q: What does MSL 1 (Unlimited) mean for component handling?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture-control handling during storage or assembly. Both parts can be stored in standard conditions without desiccant packaging or time-limited exposure windows.