RCS2012J2R2CS Equivalent & Substitute Parts

Part Overview

The RCS2012J2R2CS is a 2.2 Ohm ±5% 1/8W chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film resistor features anti-sulfur and moisture-resistant properties, designed for surface mount applications requiring reliable performance across industrial temperature ranges. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

RCS2012J2R2CS

Samsung Electro-MechanicsIn Stock: 1149RCS2012J2R2CS Datasheet

Current PartRFQ

RC2012J2R2CS

Samsung Electro-MechanicsIn Stock: 944RC2012J2R2CS Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012J2R2CS is determined by strict alignment of the following critical parameters:

Electrical Specifications: Resistance value (2.2 Ohms), tolerance (±5%), and power rating (0.125W) must be identical. Temperature coefficient (±300ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package type (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W), and maximum seated height (0.026") ensure PCB footprint compatibility and assembly process alignment.

Compliance & Environmental: RoHS3 compliance and MSL 1 rating are mandatory for equivalent substitution. Composition (thick film) and termination count (2) must match.

Packaging Format: The primary part is supplied in Tape & Reel (TR) format. Substitute parts may be available in alternative packaging (Cut Tape, bulk) without affecting electrical or mechanical performance, provided all other parameters remain constant.

The identified substitute RC2012J2R2CS from Samsung Electro-Mechanics meets all electrical and mechanical criteria for direct substitution, with the distinction of Cut Tape packaging and absence of anti-sulfur feature specification in available documentation.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: RCS2012J2R2CS remains the specified component when Tape & Reel packaging is required for automated assembly processes and when anti-sulfur feature specification is a design requirement.

Substitute Selection: RC2012J2R2CS is functionally equivalent for applications where Cut Tape packaging is acceptable. Both parts maintain identical electrical performance, thermal characteristics, and compliance certifications. The marginal difference in maximum seated height (0.66mm vs 0.65mm) is within standard PCB assembly tolerances and does not impact circuit functionality.

Compliance Assurance: Both parts carry ROHS3 compliance and MSL 1 rating, confirming suitability for standard manufacturing environments without special moisture control requirements. Active product status for both components ensures continued availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can RC2012J2R2CS directly replace RCS2012J2R2CS in existing designs?

A: Yes. Both parts share identical electrical specifications (2.2 Ohms ±5%, 0.125W), thermal performance (±300ppm/°C, -55°C ~ 155°C), mechanical dimensions (0805 package, 2.00mm x 1.25mm), and compliance certifications (ROHS3, MSL 1). The primary difference is packaging format (Cut Tape vs Tape & Reel), which does not affect circuit performance.

Q: What is the significance of the anti-sulfur feature in RCS2012J2R2CS?

A: The anti-sulfur property in RCS2012J2R2CS provides enhanced corrosion resistance in environments with sulfur-containing contaminants. RC2012J2R2CS documentation does not specify this feature. Selection between these parts depends on environmental exposure requirements in the application.

Q: Are there dimensional compatibility concerns between these parts?

A: No. Both parts conform to 0805 (2012 Metric) package specifications with identical length (0.079") and width (0.049"). Maximum seated height differs by 0.01mm (0.66mm vs 0.65mm), which is negligible for standard PCB assembly and does not affect footprint compatibility.

Q: What packaging formats are available for these 2.2 Ohm resistors?

A: RCS2012J2R2CS is supplied in Tape & Reel (TR) format for high-volume automated assembly. RC2012J2R2CS is available in Cut Tape (CT) format, suitable for lower-volume or manual assembly processes. Both formats contain identical components with equivalent electrical and mechanical properties.

Q: Do these parts require special handling or storage conditions?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard component storage at controlled room temperature and humidity is sufficient. No special desiccant packaging or baking procedures are required prior to assembly.

Q: How do temperature coefficients affect circuit performance?

A: Both parts specify ±300ppm/°C temperature coefficient across the -55°C ~ 155°C operating range. This means resistance value changes approximately 0.03% per degree Celsius. For 2.2 Ohm resistors, this translates to minimal absolute resistance drift in typical applications and does not differentiate between these substitute parts.