Equivalent & Substitute Parts for RCS2012F4642CS

Part Overview

The RCS2012F4642CS is a 46.4 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain disruptions, or specific application certifications such as automotive AEC-Q200 qualification.

Substiute Parts

RCS2012F4642CS

Samsung Electro-MechanicsIn Stock: 1147RCS2012F4642CS Datasheet

Current PartRFQ

CRCW080546K4FKEA

Vishay DaleIn Stock: 28974CRCW080546K4FKEA Datasheet

SimilarRFQ

ERJ-6ENF4642V

Panasonic Electronic ComponentsIn Stock: 108659ERJ-6ENF4642V Datasheet

SimilarRFQ

RC0805FR-0746K4L

YAGEOIn Stock: 216156RC0805FR-0746K4L Datasheet

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RMCF0805FT46K4

Stackpole Electronics IncIn Stock: 22080RMCF0805FT46K4 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F4642CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 46.4 kOhms
• 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
• Number of terminations: 2
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

All four substitute parts listed meet these mandatory parameters. Differences in physical height and specific feature sets (anti-sulfur vs. automotive AEC-Q200 certification) do not affect functional substitution within the specified electrical and thermal operating envelope.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are functionally equivalent to the RCS2012F4642CS based on electrical specifications, thermal performance, and regulatory compliance. Selection between alternatives should be based on the following criteria:

For General Industrial Applications: RC0805FR-0746K4L (YAGEO) offers the highest inventory availability (216,132 pcs) with moisture-resistant construction matching the original part's environmental protection features.

For Automotive Applications: CRCW080546K4FKEA (Vishay Dale), ERJ-6ENF4642V (Panasonic), and RMCF0805FT46K4 (Stackpole) all carry AEC-Q200 automotive qualification. Selection among these three depends on inventory availability and supply chain logistics.

For Space-Constrained PCB Layouts: CRCW080546K4FKEA (Vishay Dale) provides the lowest seated height at 0.020" (0.50mm), offering potential advantages in high-density board designs where vertical clearance is limited.

All parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS2012F4642CS with any of these parts without circuit redesign?

A: Yes. All substitute parts match the mandatory electrical parameters: 46.4 kOhms resistance, ±1% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. No circuit redesign is required.

Q: What is the difference between anti-sulfur and AEC-Q200 features?

A: Anti-sulfur construction (RCS2012F4642CS) protects against sulfur-containing atmospheric corrosion. AEC-Q200 certification (Vishay Dale, Panasonic, Stackpole variants) indicates automotive-grade reliability testing and qualification. Both are environmental protection features; selection depends on application requirements.

Q: Are the height differences significant for PCB assembly?

A: Height variations range from 0.020" to 0.028" (0.50mm to 0.70mm). These differences are within standard 0805 package tolerances and do not affect reflow soldering or component placement on standard pick-and-place equipment. Verify against specific PCB clearance requirements if vertical space is constrained.

Q: Which substitute has the best inventory availability?

A: RC0805FR-0746K4L (YAGEO) has 216,132 pcs in stock, significantly higher than other alternatives. ERJ-6ENF4642V (Panasonic) has 108,647 pcs available.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All five parts (original and four substitutes) are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. Automotive-qualified parts (AEC-Q200) exceed standard industrial requirements and are fully compatible with non-automotive applications. This represents a higher reliability specification.