RC2012F5112CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F5112CS is a 51.1 kOhms ±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 with moisture-resistant construction and RoHS3 compliance. The part is supplied in Tape & Reel packaging with 786 pieces currently in stock inventory.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, physical dimensions). Substitute parts may vary in manufacturer, series designation, and optional features such as automotive qualification or enhanced pulse withstanding capability.

Substiute Parts

RC2012F5112CS

Samsung Electro-MechanicsIn Stock: 835RC2012F5112CS Datasheet

Current PartRFQ

RC0805FR-0751K1L

YAGEOIn Stock: 43606RC0805FR-0751K1L Datasheet

DirectRFQ

CRCW080551K1FKEA

Vishay DaleIn Stock: 21022CRCW080551K1FKEA Datasheet

SimilarRFQ

CRCW080551K1FKEAHP

Vishay DaleIn Stock: 5787CRCW080551K1FKEAHP Datasheet

SimilarRFQ

CRCW080551K1FKTA

Vishay DaleIn Stock: 3802CRCW080551K1FKTA Datasheet

SimilarRFQ

ERJ-6ENF5112V

Panasonic Electronic ComponentsIn Stock: 85669ERJ-6ENF5112V Datasheet

SimilarRFQ

RCS080551K1FKEA

Vishay DaleIn Stock: 6001RCS080551K1FKEA Datasheet

SimilarRFQ

RMCF0805FT51K1

Stackpole Electronics IncIn Stock: 110358RMCF0805FT51K1 Datasheet

SimilarRFQ

RMCS0805FT51K1

Stackpole Electronics IncIn Stock: 1096RMCS0805FT51K1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence in the following core parameters:

Mandatory Matching Parameters:

• Resistance value: 51.1 kOhms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Number of Terminations: 2
• Composition: Thick Film
• Temperature Coefficient: ±100 ppm/°C
• Operating Temperature Range: -55°C to 155°C

Allowable Variations:

• Power rating: 0.125W (1/8W) primary specification; higher power ratings (0.5W / 1/2W) are acceptable for applications with lower power dissipation requirements
• Manufacturer and series designation
• Physical height variation within package specification
• Optional features: Automotive AEC-Q200 qualification, Pulse Withstanding capability, Anti-Sulfur treatment, Moisture Resistant construction
• Compliance certifications: RoHS3, REACH status

All identified substitute parts meet or exceed the electrical and mechanical requirements of the RC2012F5112CS.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

RC0805FR-0751K1L (YAGEO) is a direct equivalent with matching 0.125W power rating, identical electrical parameters, and RoHS3 compliance. This part is suitable for direct substitution in applications where the original Samsung part is unavailable. Inventory availability is significantly higher (43,499 pieces).

RMCS0805FT51K1 (Stackpole Electronics Inc) provides equivalent specifications with Anti-Sulfur treatment feature. This part is recommended for applications in corrosive or high-humidity environments where sulfur contamination risk exists. RoHS3 compliant.

Automotive-Qualified Alternatives:

CRCW080551K1FKEA (Vishay Dale) and RMCF0805FT51K1 (Stackpole Electronics Inc) both carry AEC-Q200 automotive qualification with identical 0.125W power rating. These parts are suitable for automotive and industrial applications requiring automotive-grade component certification. Both are RoHS3 compliant.

ERJ-6ENF5112V (Panasonic Electronic Components) provides AEC-Q200 qualification with the highest inventory availability (85,577 pieces) among automotive-qualified options. RoHS3 compliant.

Higher Power Rating Options:

CRCW080551K1FKEAHP (Vishay Dale) and RCS080551K1FKEA (Vishay Dale) both feature 0.5W (1/2W) power rating with Pulse Withstanding capability and AEC-Q200 qualification. These parts are suitable for applications requiring higher power dissipation or pulse tolerance. Both are RoHS3 compliant.

Non-Compliant Alternative:

CRCW080551K1FKTA (Vishay Dale) is RoHS non-compliant and REACH-affected. This part is not recommended for new designs or applications subject to RoHS3 regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0805FR-0751K1L for RC2012F5112CS?

A: Yes. RC0805FR-0751K1L is a direct equivalent with identical resistance (51.1 kOhms), tolerance (±1%), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). Both parts are RoHS3 compliant and moisture resistant. Physical height is slightly lower (0.60mm vs 0.66mm), which is acceptable within 0805 package specifications.

Q: What is the difference between CRCW080551K1FKEA and CRCW080551K1FKEAHP?

A: Both parts are manufactured by Vishay Dale with identical resistance, tolerance, and package specifications. The primary difference is power rating: CRCW080551K1FKEA is rated 0.125W (1/8W), while CRCW080551K1FKEAHP is rated 0.5W (1/2W) with additional Pulse Withstanding capability. Select CRCW080551K1FKEAHP for applications requiring higher power dissipation or pulse tolerance.

Q: Are all substitute parts RoHS3 compliant?

A: No. CRCW080551K1FKTA is RoHS non-compliant and REACH-affected. All other identified substitutes are RoHS3 compliant. Verify regulatory compliance requirements for your application before part selection.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts carrying this certification (CRCW080551K1FKEA, CRCW080551K1FKEAHP, CRCW080551K1FKTA, ERJ-6ENF5112V, RCS080551K1FKEA, RMCF0805FT51K1) meet automotive reliability and performance requirements. These parts are suitable for automotive and high-reliability industrial applications.

Q: Can I use a 0.5W rated resistor in place of a 0.125W rated resistor?

A: Yes, for applications where the actual power dissipation is below 0.125W. Higher power-rated components are acceptable substitutes in lower power applications. However, do not use lower power-rated components in higher power applications. CRCW080551K1FKEAHP and RCS080551K1FKEA (both 0.5W rated) are suitable substitutes for 0.125W applications.

Q: What is the significance of Anti-Sulfur treatment in RMCS0805FT51K1?

A: Anti-Sulfur treatment protects the resistor from sulfur contamination in corrosive environments. RMCS0805FT51K1 is recommended for applications in industrial, marine, or high-humidity environments where hydrogen sulfide or other sulfur compounds may be present.

Q: Are physical dimension variations between substitute parts significant?

A: Physical height variations (0.50mm to 0.70mm) are within 0805 package specification tolerances and do not affect electrical performance or PCB assembly compatibility. All identified parts are mechanically compatible with 0805 footprints.

Q: Which substitute part has the highest inventory availability?

A: ERJ-6ENF5112V (Panasonic Electronic Components) has the highest inventory with 85,577 pieces in stock. This part is AEC-Q200 qualified and RoHS3 compliant, making it suitable for both standard and automotive applications.