RC2012F3R3CS Equivalent & Substitute Parts

Part Overview

The RC2012F3R3CS is a 3.3 Ohm ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status and is supplied in Cut Tape (CT) packaging. The RC2012F3R3CS serves as a general-purpose resistive element in electronic circuits requiring precision current limiting, signal conditioning, and impedance matching applications. Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, and specific application requirements such as automotive qualification or enhanced current sensing capabilities.

Substiute Parts

RC2012F3R3CS

Samsung Electro-MechanicsIn Stock: 808RC2012F3R3CS Datasheet

Current PartRFQ

RMCF0805FT3R30

Stackpole Electronics IncIn Stock: 42879RMCF0805FT3R30 Datasheet

DirectRFQ

ERJ-6RQF3R3V

Panasonic Electronic ComponentsIn Stock: 19776ERJ-6RQF3R3V Datasheet

UpgradeRFQ

RC0805FR-073R3L

YAGEOIn Stock: 48370RC0805FR-073R3L Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC2012F3R3CS is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

• Resistance value: 3.3 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package format: 0805 (2012 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C ~ 155°C
• Number of terminations: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these mandatory criteria. Substitute parts are further differentiated by optional features such as automotive AEC-Q200 qualification, current sensing capability, and packaging format (Cut Tape versus Tape & Reel). Temperature coefficient values vary within acceptable ranges (±200ppm/°C to ±300ppm/°C) and do not restrict substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (Equivalent Functionality):

The RMCF0805FT3R30 (Stackpole Electronics Inc) and RC0805FR-073R3L (YAGEO) are direct functional equivalents to the RC2012F3R3CS. Both parts maintain identical electrical specifications, package dimensions, and compliance certifications. Selection between these options is determined by packaging format preference (Tape & Reel versus Cut Tape) and inventory availability.

Enhanced Capability Substitution:

The ERJ-6RQF3R3V (Panasonic Electronic Components) provides equivalent electrical performance with additional automotive AEC-Q200 qualification and current sensing capability. This part is suitable for applications requiring automotive-grade reliability or current measurement functionality. The maximum seated height of 0.028" (0.70mm) is marginally higher than the primary part and must be evaluated against PCB layout constraints.

Compliance and Certification Alignment:

All substitute parts maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and REACH unaffected status, ensuring regulatory equivalence with the RC2012F3R3CS. Temperature coefficient variations (±200ppm/°C versus ±300ppm/°C) do not restrict substitution and reflect manufacturer-specific design tolerances within acceptable engineering ranges.

Frequently Asked Questions (FAQ)

Q: Can the RMCF0805FT3R30 replace the RC2012F3R3CS in all applications?

A: Yes. The RMCF0805FT3R30 meets all mandatory electrical and mechanical parameters. The primary difference is packaging format (Tape & Reel versus Cut Tape). Automotive AEC-Q200 qualification of the Stackpole part provides additional certification but does not restrict use in non-automotive applications.

Q: What is the significance of the temperature coefficient difference between RC2012F3R3CS (±300ppm/°C) and substitute parts (±200ppm/°C)?

A: Temperature coefficient indicates resistance value drift over temperature range. The RC2012F3R3CS exhibits ±300ppm/°C while substitutes exhibit ±200ppm/°C. Both values fall within acceptable thick film resistor specifications and do not restrict substitution. Applications requiring tighter temperature stability should specify this parameter during component selection.

Q: Is the ERJ-6RQF3R3V suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification is an additional feature that does not restrict use in general-purpose applications. The ERJ-6RQF3R3V meets all electrical and mechanical requirements of the RC2012F3R3CS and is functionally equivalent.

Q: How do seated height differences affect PCB layout compatibility?

A: Seated height variations (0.024" to 0.028") are within typical 0805 package tolerances. The RC0805FR-073R3L (0.024" maximum) is the lowest profile option, while ERJ-6RQF3R3V (0.028" maximum) is the highest. PCB design with standard 0805 footprints accommodates all variants. Height-critical applications should specify the lowest-profile option (RC0805FR-073R3L).

Q: What packaging format should be selected for high-volume production?

A: Tape & Reel (TR) packaging is standard for high-volume automated assembly. Both RMCF0805FT3R30 and ERJ-6RQF3R3V are supplied in Tape & Reel format. Cut Tape (CT) packaging is suitable for low-volume or manual assembly applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts (RMCF0805FT3R30, ERJ-6RQF3R3V, RC0805FR-073R3L) maintain ROHS3 compliance status, ensuring regulatory equivalence with the RC2012F3R3CS.

Q: Can substitute parts be intermixed in the same production batch?

A: Electrical and mechanical equivalence permits substitution. However, manufacturing process differences between suppliers may introduce minor variations in appearance, marking, or performance characteristics. Design validation should confirm acceptability of any supplier change within specific application requirements.