RC0603J433CS Equivalent & Substitute Parts

Part Overview

The RC0603J433CS is a 43 kOhm ±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 moisture-resistant applications across industrial and consumer electronics. The part is currently Active in product status with 751 units in stock. Equivalent and substitute parts are identified to address inventory availability, tolerance requirements, or packaging format preferences while maintaining functional compatibility within the specified electrical and mechanical parameters.

Substiute Parts

RC0603J433CS

Samsung Electro-MechanicsIn Stock: 829RC0603J433CS Datasheet

Current PartRFQ

RC0603F433CS

Samsung Electro-MechanicsIn Stock: 2456RC0603F433CS Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC0603J433CS is determined by strict equivalence in the following parameters:

Critical Parameters (Must Match):

• Resistance value: 43 kOhms
• Package / Case: 0201 (0603 Metric)
• Power rating: 0.05W (1/20W)
• Composition: Thick Film
• Temperature coefficient: ±250ppm/°C
• Operating temperature range: -55°C ~ 125°C
• Moisture resistance feature
• RoHS3 compliance

Allowable Variation:

• Tolerance: The main part specifies ±5%. Substitute parts with tighter tolerance (±1%) are acceptable as they represent improved performance within the same resistance value and package specification.
• Packaging format: Substitutes may differ in packaging format (Tape & Reel vs. Cut Tape) without affecting electrical or mechanical compatibility.
• Height - Seated (Max): Minor variations within the 0201 package specification are acceptable (0.25mm vs. 0.26mm).

The RC0603F433CS qualifies as a direct substitute based on these criteria, offering improved tolerance specification while maintaining all other electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

RC0603J433CS Selection Criteria:

• Applications requiring ±5% tolerance specification
• Tape & Reel packaging format for automated assembly processes
• Existing inventory availability of 751 units

RC0603F433CS Selection Criteria:

• Applications requiring tighter tolerance control (±1%)
• Cut Tape packaging format for manual or low-volume assembly
• Higher inventory availability (2373 units) for extended supply chain security
• Both parts maintain identical electrical performance within their respective tolerance bands across the full operating temperature range (-55°C ~ 125°C)
• Both parts satisfy ROHS3 compliance and REACH unaffected status for regulated markets

The RC0603F433CS represents an upgrade path when tolerance performance is critical, while maintaining full compatibility with the mechanical and thermal specifications of the RC0603J433CS.

Frequently Asked Questions (FAQ)

Q: Can RC0603F433CS replace RC0603J433CS in all applications?

A: Yes. The RC0603F433CS is electrically and mechanically compatible. The ±1% tolerance of the substitute part is tighter than the ±5% specification of the main part, making it suitable for all applications where the main part is specified. The identical package dimensions (0201 / 0603 Metric), power rating (0.05W), temperature coefficient (±250ppm/°C), and operating range (-55°C ~ 125°C) ensure direct substitution.

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

A: Tape & Reel (TR) packaging is supplied on continuous carrier tape wound on reels, optimized for high-speed automated assembly. Cut Tape (CT) packaging is supplied as individual segments of carrier tape, suitable for manual assembly or lower-volume production. Both formats contain identical components; the difference is in supply format only.

Q: Are there any height differences between these parts?

A: The RC0603J433CS specifies a maximum seated height of 0.010" (0.25mm), while the RC0603F433CS specifies 0.010" (0.26mm). Both values fall within the 0201 package specification tolerance and present no compatibility issues for PCB assembly or clearance requirements.

Q: Do both parts meet regulatory compliance requirements?

A: Yes. Both RC0603J433CS and RC0603F433CS are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for electronics manufacturing in restricted substance directive jurisdictions.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Unlimited) indicates that these components have unlimited shelf life and require no special moisture control during storage or handling. No baking or desiccant storage is required prior to assembly.