RCS0603J181CS Equivalent & Substitute Parts

Part Overview

The RCS0603J181CS is a 180 Ohm ±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 surface mount applications requiring precision resistive elements with anti-sulfur and moisture-resistant properties. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative packaging formats or series designations.

Substiute Parts

RCS0603J181CS

Samsung Electro-MechanicsIn Stock: 1193RCS0603J181CS Datasheet

Current PartRFQ

RC0603J181CS

Samsung Electro-MechanicsIn Stock: 15744RC0603J181CS Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS0603J181CS is determined by strict equivalence across the following parameters:

Electrical Equivalence Requirements:

• Resistance value: 180 Ohms
• Tolerance: ±5%
• Power rating: 0.05W (1/20W)
• Temperature coefficient: ±250ppm/°C
• Operating temperature range: -55°C ~ 125°C

Mechanical Equivalence Requirements:

• Package / Case: 0201 (0603 Metric)
• Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
• Height - Seated (Max): 0.010" (0.25mm to 0.26mm)
• Number of terminations: 2

Compliance & Environmental Requirements:

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

The RC0603J181CS qualifies as a direct substitute based on matching all electrical and mechanical parameters. The primary difference is packaging format (Cut Tape versus Tape & Reel) and series designation (RC versus RCS), neither of which affects functional equivalence in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

RC0603J181CS Selection Criteria:

The RC0603J181CS is functionally equivalent to the RCS0603J181CS for all circuit applications requiring a 180 Ohm ±5% thick film resistor in 0201 package format. Both parts maintain identical electrical performance across the specified operating temperature range (-55°C ~ 125°C) and meet ROHS3 compliance requirements.

Packaging Consideration:

The primary distinction between these parts is the delivery format. The RCS0603J181CS is supplied in Tape & Reel (TR) packaging, suitable for high-volume automated assembly operations. The RC0603J181CS is supplied in Cut Tape (CT) format, appropriate for lower-volume applications or manual assembly processes. This difference does not affect component performance or reliability.

Compliance Status:

Both parts are Active products with ROHS3 compliance, REACH Unaffected status, and unlimited moisture sensitivity level (MSL 1), confirming suitability for standard industrial and commercial applications without special handling requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0603J181CS replace RCS0603J181CS in production assembly?

A: Yes. Both parts are electrically and mechanically equivalent. The RC0603J181CS can be used as a direct substitute. The difference in packaging format (Cut Tape versus Tape & Reel) affects supply chain logistics and assembly line compatibility, not component function.

Q: Are there differences in reliability or failure rate between these parts?

A: No. Both parts are manufactured by Samsung Electro-Mechanics using identical thick film composition and share the same operating temperature range, temperature coefficient, and environmental ratings. Failure rate data is not provided for either part.

Q: What is the significance of the series designation change (RCS to RC)?

A: The series designation reflects internal Samsung Electro-Mechanics product line organization. It does not indicate functional differences. Both RCS and RC series parts meet the same electrical and mechanical specifications for this 180 Ohm resistor.

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

A: Both parts meet ROHS3 compliance and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating suitability for standard industrial applications. Specific high-reliability requirements should be evaluated against application-specific standards and certifications.

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

A: Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly at high volumes, with components on continuous carrier tape on reels. Cut Tape (CT) packaging provides individual tape segments, suitable for lower-volume manual assembly or component kitting. Both formats contain identical components.

Q: Can these parts be intermixed in the same assembly?

A: Yes. From a functional and electrical standpoint, RCS0603J181CS and RC0603J181CS are interchangeable. Assembly compatibility depends on whether the production line is configured for Tape & Reel or Cut Tape format handling.