RC2012F4123CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F4123CS is a 412 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture resistant construction and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative manufacturers while preserving functional compatibility in circuit applications.

Substiute Parts

RC2012F4123CS

Samsung Electro-MechanicsIn Stock: 811RC2012F4123CS Datasheet

Current PartRFQ

RC0805FR-07412KL

YAGEOIn Stock: 61594RC0805FR-07412KL Datasheet

DirectRFQ

CRCW0805412KFKEA

Vishay DaleIn Stock: 14563CRCW0805412KFKEA Datasheet

SimilarRFQ

ERJ-6ENF4123V

Panasonic Electronic ComponentsIn Stock: 70108ERJ-6ENF4123V Datasheet

SimilarRFQ

RMCF0805FT412K

Stackpole Electronics IncIn Stock: 4243RMCF0805FT412K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution validity for the RC2012F4123CS is determined by strict equivalence across the following parameters:

Electrical Specifications: Resistance value (412 kOhms), tolerance (±1%), power rating (0.125W), and temperature coefficient (±100ppm/°C) must be identical.

Mechanical Compatibility: Package designation (0805 / 2012 Metric) and physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) must match to ensure PCB footprint compatibility.

Environmental & Compliance Requirements: Operating temperature range (-55°C ~ 155°C), RoHS3 compliance, MSL rating (1 - Unlimited), and REACH unaffected status must be maintained.

Composition & Construction: Thick film construction with moisture resistant properties must be preserved.

All identified substitute parts meet these criteria. Additional features such as Automotive AEC-Q200 certification present in certain substitutes represent enhanced qualification levels and do not disqualify substitution.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts (RC0805FR-07412KL, CRCW0805412KFKEA, ERJ-6ENF4123V, RMCF0805FT412K) satisfy the core substitution criteria for the RC2012F4123CS based on electrical equivalence, mechanical compatibility, and compliance certifications.

RC0805FR-07412KL (YAGEO): Direct electrical and mechanical equivalent with identical specifications. Available in Cut Tape and Digi-Reel packaging. Lowest seated height (0.024" / 0.60mm) provides maximum PCB clearance margin.

CRCW0805412KFKEA (Vishay Dale): Includes Automotive AEC-Q200 qualification, representing enhanced reliability certification. Lowest seated height (0.020" / 0.50mm). Suitable for applications requiring automotive-grade components.

ERJ-6ENF4123V (Panasonic): Includes Automotive AEC-Q200 qualification. Highest seated height (0.028" / 0.70mm) among substitutes. Largest available inventory (70,058 pcs).

RMCF0805FT412K (Stackpole): Includes Automotive AEC-Q200 qualification. Seated height (0.026" / 0.65mm) matches original specification. Limited inventory (4,173 pcs).

Selection between substitutes depends on packaging preference (Tape & Reel vs. Cut Tape), available inventory, and application-specific requirements for automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-07412KL replace RC2012F4123CS in all applications?

A: Yes. RC0805FR-07412KL maintains identical electrical specifications (412 kOhms ±1%, 0.125W, ±100ppm/°C), mechanical dimensions (0805 package, 2.00mm x 1.25mm), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1). The lower seated height (0.024" vs. 0.026") provides additional PCB clearance without affecting functionality.

Q: What is the difference between the automotive-qualified substitutes and the standard versions?

A: CRCW0805412KFKEA, ERJ-6ENF4123V, and RMCF0805FT412K include Automotive AEC-Q200 certification, indicating enhanced qualification testing and reliability standards for automotive applications. RC0805FR-07412KL does not specify AEC-Q200 qualification. All maintain identical core electrical and mechanical specifications. AEC-Q200 qualification is an additional feature that does not disqualify use in non-automotive applications.

Q: Are there packaging differences between substitutes?

A: Yes. RC0805FR-07412KL is available in Cut Tape (CT) and Digi-Reel packaging, while CRCW0805412KFKEA, ERJ-6ENF4123V, and RMCF0805FT412K are supplied in Tape & Reel (TR) format. Original RC2012F4123CS is supplied in Tape & Reel. Packaging selection depends on assembly equipment compatibility and procurement requirements.

Q: Do seated height variations affect PCB design?

A: Seated height variations (0.020" to 0.028") are within typical PCB design tolerances for 0805 components. CRCW0805412KFKEA (0.020" / 0.50mm) provides maximum clearance. ERJ-6ENF4123V (0.028" / 0.70mm) requires verification against PCB clearance specifications. All heights remain within standard 0805 package envelope.

Q: Which substitute has the best inventory availability?

A: ERJ-6ENF4123V (Panasonic) has the highest inventory level at 70,058 pcs. RC0805FR-07412KL (YAGEO) has 61,531 pcs. CRCW0805412KFKEA (Vishay Dale) has 14,544 pcs. RMCF0805FT412K (Stackpole) has 4,173 pcs.

Q: Can substitutes be mixed in the same production batch?

A: All substitutes meet identical electrical and mechanical specifications, allowing interchangeability within the same circuit design. However, manufacturing process variations between suppliers may introduce minor performance differences in high-precision applications. Verification testing is recommended for critical applications requiring absolute performance consistency.