RCS0603J683CS Equivalent & Substitute Parts Reference

Part Overview

The RCS0603J683CS is a 68 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 features anti-sulfur and moisture-resistant construction, operating across -55°C to 125°C with a temperature coefficient of ±250ppm/°C. The part maintains Active product status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, power rating, operating temperature range) and mechanical compatibility (package size, termination count) while accounting for tolerance variations and packaging format differences.

Substiute Parts

RCS0603J683CS

Samsung Electro-MechanicsIn Stock: 1198RCS0603J683CS Datasheet

Current PartRFQ

RC0603F683CS

Samsung Electro-MechanicsIn Stock: 3075RC0603F683CS Datasheet

SimilarRFQ

MCR006YRTF6802

Rohm SemiconductorIn Stock: 16337MCR006YRTF6802 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS0603J683CS is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 68 kOhms
• Power rating: 0.05W (1/20W)
• Package / Case: 0201 (0603 Metric)
• Operating temperature range: -55°C ~ 125°C
• Temperature coefficient: ±250ppm/°C
• Number of terminations: 2
• Composition: Thick Film
• RoHS compliance: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

• Tolerance: Substitute parts may have tighter tolerance (±1%) than the main part (±5%). Tighter tolerance represents improved performance and maintains functional compatibility.
• Packaging format: Substitutes may differ in packaging configuration (Tape & Reel vs. Cut Tape) without affecting electrical or mechanical performance.
• Features: Substitute parts may have reduced feature sets (e.g., absence of anti-sulfur coating) provided all electrical and thermal specifications remain identical.

Two substitute parts meet these criteria: RC0603F683CS (Samsung Electro-Mechanics, ±1% tolerance, Cut Tape packaging) and MCR006YRTF6802 (Rohm Semiconductor, ±1% tolerance, Cut Tape & Digi-Reel packaging).

Parameter Comparison

Engineering Selection Recommendations

RC0603F683CS (Samsung Electro-Mechanics): This substitute is functionally equivalent to the RCS0603J683CS with improved tolerance specification (±1% vs. ±5%). Both parts are manufactured by Samsung Electro-Mechanics, maintain Active product status, and carry identical RoHS3 compliance and MSL ratings. The primary difference is packaging format (Cut Tape vs. Tape & Reel) and tighter tolerance, which represents enhanced performance characteristics. This part is suitable for direct substitution in applications where tolerance improvement is acceptable or beneficial.

MCR006YRTF6802 (Rohm Semiconductor): This substitute meets all electrical and mechanical specifications with ±1% tolerance. However, this part is marked as Discontinued at DiGi Electronics, indicating limited future availability. While electrically and mechanically compatible, selection of this part should account for supply chain considerations and long-term sourcing constraints. Use only when RC0603F683CS is unavailable or when existing inventory must be consumed.

Frequently Asked Questions (FAQ)

Q: Can RC0603F683CS replace RCS0603J683CS in my circuit?

A: Yes. RC0603F683CS is electrically and mechanically equivalent. Both parts share identical resistance (68 kOhms), power rating (0.05W), package size (0201), operating temperature range (-55°C to 125°C), and temperature coefficient (±250ppm/°C). RC0603F683CS offers tighter tolerance (±1% vs. ±5%), which improves circuit accuracy without introducing incompatibility.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) packaging provides components on tape segments, suitable for lower-volume or manual assembly operations. Both formats contain identical components; packaging format selection depends on assembly process requirements, not electrical performance.

Q: Why is MCR006YRTF6802 marked as discontinued?

A: MCR006YRTF6802 is discontinued at DiGi Electronics, indicating this distributor no longer actively stocks or supports this part. Discontinuation status reflects supply chain decisions and does not indicate product defect. Existing inventory may remain available through alternative channels, but long-term sourcing cannot be guaranteed.

Q: Does the ±1% tolerance of substitute parts affect circuit compatibility?

A: No. Tighter tolerance (±1%) is a performance improvement over the original ±5% specification. If your circuit design accommodates ±5% tolerance, it automatically accommodates ±1% tolerance. Substitute parts with improved tolerance maintain full functional compatibility and may enhance circuit performance in tolerance-sensitive applications.

Q: Are all three parts RoHS3 compliant?

A: Yes. RCS0603J683CS, RC0603F683CS, and MCR006YRTF6802 are all ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited). All parts meet identical environmental and regulatory requirements.

Q: What is the maximum seated height difference between parts?

A: RCS0603J683CS has a maximum seated height of 0.010" (0.25mm), while RC0603F683CS and MCR006YRTF6802 have maximum seated heights of 0.010" (0.26mm). This 0.01mm difference is negligible for PCB assembly and does not affect mechanical compatibility or board layout.