RC2012F4120CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F4120CS is a 412 Ohms ±1% 0.125W (1/8W) chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 764 units in stock. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific certification requirements such as automotive AEC-Q200 qualification.

Substiute Parts

RC2012F4120CS

Samsung Electro-MechanicsIn Stock: 838RC2012F4120CS Datasheet

Current PartRFQ

CR0805-FX-4120ELF

Bourns Inc.In Stock: 25402CR0805-FX-4120ELF Datasheet

DirectRFQ

ERJ-6ENF4120V

Panasonic Electronic ComponentsIn Stock: 105422ERJ-6ENF4120V Datasheet

DirectRFQ

RC0805FR-07412RL

YAGEOIn Stock: 121415RC0805FR-07412RL Datasheet

DirectRFQ

RMCF0805FT412R

Stackpole Electronics IncIn Stock: 16999RMCF0805FT412R Datasheet

DirectRFQ

CRCW0805412RFKEA

Vishay DaleIn Stock: 35015CRCW0805412RFKEA Datasheet

SimilarRFQ

MCR10ERTF4120

Rohm SemiconductorIn Stock: 1234MCR10ERTF4120 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F4120CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 412 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS compliance: ROHS3
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these mandatory parameters. Substitute parts are further categorized as Direct Manufacturer Substitutes (functionally and mechanically identical) or Similar Manufacturer Substitutes (meeting all electrical and mechanical specifications with potential variations in packaging format or additional certifications).

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Substitutes (Preferred for Drop-In Replacement):

CR0805-FX-4120ELF (Bourns Inc.) and RC0805FR-07412RL (YAGEO) are direct equivalents with active product status and moisture-resistant specifications matching the RC2012F4120CS. Both are available in high inventory quantities (25,297 and 121,312 units respectively) and maintain identical electrical parameters with minimal height variation (0.60mm vs. 0.65mm).

Automotive-Qualified Alternatives:

ERJ-6ENF4120V (Panasonic), RMCF0805FT412R (Stackpole Electronics), and CRCW0805412RFKEA (Vishay Dale) are suitable for applications requiring AEC-Q200 automotive qualification. All three maintain active product status and full electrical equivalence. CRCW0805412RFKEA offers the lowest profile height (0.50mm), beneficial for space-constrained designs.

Discontinued Part:

MCR10ERTF4120 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs despite meeting all electrical specifications.

Selection Criteria:

• For standard industrial applications: CR0805-FX-4120ELF or RC0805FR-07412RL
• For automotive applications: ERJ-6ENF4120V, RMCF0805FT412R, or CRCW0805412RFKEA
• For space-constrained PCB layouts: CRCW0805412RFKEA (0.50mm height)
• For maximum inventory availability: RC0805FR-07412RL (121,312 units)

Frequently Asked Questions (FAQ)

Q: Can CR0805-FX-4120ELF replace RC2012F4120CS in existing designs?

A: Yes. CR0805-FX-4120ELF is a direct equivalent meeting all electrical and mechanical specifications. The height difference (0.60mm vs. 0.65mm) is within standard PCB assembly tolerances and does not affect functionality or solderability.

Q: What is the difference between moisture-resistant and automotive AEC-Q200 variants?

A: Moisture-resistant variants (RC2012F4120CS, CR0805-FX-4120ELF, RC0805FR-07412RL) are specified for general industrial use with MSL 1 rating. Automotive AEC-Q200 variants (ERJ-6ENF4120V, RMCF0805FT412R, CRCW0805412RFKEA) undergo additional qualification testing for automotive reliability standards. Both meet identical electrical parameters and operating temperature ranges.

Q: Is MCR10ERTF4120 suitable for new production?

A: No. MCR10ERTF4120 is discontinued at DiGi Electronics and should not be selected for new designs. Use active alternatives such as CR0805-FX-4120ELF or RC0805FR-07412RL instead.

Q: Do all substitute parts use the same packaging format?

A: Yes. All substitute parts use 0805 (2012 Metric) package with Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging options. Verify packaging format with your supplier before ordering.

Q: What is the significance of ±100ppm/°C temperature coefficient?

A: Temperature coefficient of ±100ppm/°C indicates the resistor's resistance change per degree Celsius across the operating range. All listed parts share this specification, ensuring equivalent thermal stability across -55°C to 155°C.

Q: Can CRCW0805412RFKEA be used in high-density PCB designs?

A: Yes. CRCW0805412RFKEA has the lowest seated height (0.50mm) among all substitutes, making it suitable for high-density layouts where vertical clearance is limited. All other electrical and mechanical parameters remain equivalent.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the RC2012F4120CS compliance profile.