RCS0603J112CS Equivalent & Substitute Parts

Part Overview

The RCS0603J112CS is a 1.1 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0201 (0603 Metric) package format. This component is rated for 0.05W (1/20W) power dissipation and features anti-sulfur and moisture-resistant construction. The part is currently in active production status with 950 pieces available in stock. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate varying tolerance and packaging requirements across different production batches or procurement scenarios.

Substiute Parts

RCS0603J112CS

Samsung Electro-MechanicsIn Stock: 994RCS0603J112CS Datasheet

Current PartRFQ

RC0603F112CS

Samsung Electro-MechanicsIn Stock: 7243RC0603F112CS Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS0603J112CS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.1 kOhms
• Package / Case: 0201 (0603 Metric)
• Power rating: 0.05W (1/20W)
• Operating temperature range: -55°C ~ 125°C
• Composition: Thick Film
• Temperature coefficient: ±250ppm/°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: 1 (Unlimited)

Allowable Variation Parameters:

• Tolerance: May vary from ±5% to tighter tolerances (±1%)
• Packaging format: May differ between Tape & Reel (TR) and Cut Tape (CT)
• Feature set: Anti-sulfur feature may be present or absent in substitutes

The RC0603F112CS qualifies as a direct substitute because it maintains all mandatory parameters while offering improved tolerance (±1% versus ±5%) and alternative packaging (Cut Tape versus Tape & Reel).

Parameter Comparison

Engineering Selection Recommendations

The RC0603F112CS serves as a direct functional substitute for the RCS0603J112CS in applications where the following conditions are met:

1. Tolerance Requirements: The RC0603F112CS offers ±1% tolerance compared to the RCS0603J112CS ±5% tolerance. This tighter tolerance is suitable for circuits requiring higher precision resistor values. If the design circuit specifies ±5% tolerance as a maximum allowable deviation, the ±1% substitute will satisfy this requirement.

2. Packaging Compatibility: The RC0603F112CS is supplied in Cut Tape (CT) format while the main part is supplied in Tape & Reel (TR) format. Both formats are compatible with standard surface mount assembly equipment. Selection between these formats depends on production volume and assembly line configuration.

3. Compliance Status: Both parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing and environmental standards.

4. Physical Dimensions: Both parts share identical length and width (0.60mm x 0.30mm). The seated height differs by 0.01mm (0.25mm versus 0.26mm), which is negligible for PCB layout and assembly clearance purposes.

5. Product Status: Both parts are in active production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can RC0603F112CS replace RCS0603J112CS in any circuit application?

A: RC0603F112CS is functionally compatible with RCS0603J112CS for all applications where the circuit tolerance specification allows ±1% or tighter. If the circuit design requires exactly ±5% tolerance or explicitly specifies the RCS series, verification of design intent is necessary before substitution.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape packaging supplies components on tape segments, suitable for lower-volume production or manual assembly. Both formats are compatible with standard pick-and-place equipment.

Q: Does the ±1% tolerance of RC0603F112CS affect circuit performance compared to ±5%?

A: The ±1% tolerance of RC0603F112CS provides tighter resistance value control. In circuits designed for ±5% tolerance, this tighter tolerance will not negatively affect performance. The actual resistance value will fall within a narrower range, which is beneficial for precision-sensitive applications.

Q: Are there any height clearance issues between these two parts?

A: The seated height difference is 0.01mm (0.25mm for RCS0603J112CS versus 0.26mm for RC0603F112CS). This difference is negligible for standard PCB assembly and does not create clearance conflicts in typical circuit board designs.

Q: What is the inventory status for each part?

A: RCS0603J112CS has 950 pieces in stock. RC0603F112CS has 7140 pieces in stock. The substitute part offers significantly higher inventory availability.

Q: Are both parts RoHS compliant?

A: Yes, both RCS0603J112CS and RC0603F112CS are ROHS3 compliant and suitable for applications requiring environmental compliance.