RCS2012F1431CS Equivalent & Substitute Parts

Part Overview

The RCS2012F1431CS is a 1.43 kOhms ±1% 0.125W chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with RoHS3 compliance. The part is active in production with 701 units currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct circuit board compatibility.

Substiute Parts

RCS2012F1431CS

Samsung Electro-MechanicsIn Stock: 761RCS2012F1431CS Datasheet

Current PartRFQ

AC0805FR-071K43L

YAGEOIn Stock: 10989AC0805FR-071K43L Datasheet

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CRCW08051K43FKEA

Vishay DaleIn Stock: 36703CRCW08051K43FKEA Datasheet

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ERJ-6ENF1431V

Panasonic Electronic ComponentsIn Stock: 77341ERJ-6ENF1431V Datasheet

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RC0805FR-071K43L

YAGEOIn Stock: 41701RC0805FR-071K43L Datasheet

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RMCF0805FT1K43

Stackpole Electronics IncIn Stock: 17458RMCF0805FT1K43 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F1431CS are qualified based on the following criteria:

Electrical Parameters (Critical):

• Resistance value: 1.43 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Critical):

• Package type: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Number of terminations: 2

Compliance & Environmental (Required):

• RoHS3 compliance
• Moisture Sensitivity Level 1
• Thick film composition

All identified substitute parts meet these criteria and are suitable for direct replacement in applications requiring the RCS2012F1431CS specifications.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed are direct equivalents to the RCS2012F1431CS and meet the core electrical and mechanical requirements for interchangeability. Selection among these alternatives should be based on the following factors:

Compliance Requirements:

• For automotive applications requiring AEC-Q200 qualification, select AC0805FR-071K43L, CRCW08051K43FKEA, ERJ-6ENF1431V, or RMCF0805FT1K43
• For general industrial applications without automotive requirements, RC0805FR-071K43L and RCS2012F1431CS are suitable

Physical Constraints:

• All parts conform to 0805 (2012 Metric) package dimensions
• Height variations range from 0.50mm to 0.70mm; verify PCB clearance requirements for applications with space constraints
• Vishay Dale CRCW08051K43FKEA offers the lowest profile at 0.50mm maximum height

Availability & Supply Chain:

• Panasonic ERJ-6ENF1431V offers highest inventory (77,284 units)
• Vishay Dale CRCW08051K43FKEA provides strong availability (36,649 units)
• All parts are active production items with RoHS3 compliance and MSL 1 rating

Environmental Performance:

• Samsung RCS2012F1431CS includes anti-sulfur feature in addition to moisture resistance
• All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating range
• Moisture Sensitivity Level 1 applies uniformly across all options

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS2012F1431CS with any of the listed parts without circuit modification?

A: Yes. All listed substitute parts match the critical electrical parameters (1.43 kΩ ±1%, 0.125W), temperature characteristics (±100ppm/°C, -55°C to 155°C), and mechanical specifications (0805 package, 2-termination configuration). Direct substitution is possible without circuit redesign.

Q: What is the difference between automotive-rated and non-automotive-rated options?

A: Four substitute parts carry AEC-Q200 automotive qualification (AC0805FR-071K43L, CRCW08051K43FKEA, ERJ-6ENF1431V, RMCF0805FT1K43). The original RCS2012F1431CS and RC0805FR-071K43L do not carry this designation. AEC-Q200 qualification indicates compliance with automotive reliability and quality standards. Use automotive-rated parts for applications requiring automotive-grade components.

Q: Are there height differences that could affect PCB assembly?

A: Yes. Maximum seated heights vary: RCS2012F1431CS (0.66mm), AC0805FR-071K43L (0.60mm), CRCW08051K43FKEA (0.50mm), ERJ-6ENF1431V (0.70mm), RC0805FR-071K43L (0.60mm), RMCF0805FT1K43 (0.65mm). Verify PCB clearance specifications, particularly for applications with tight vertical spacing or wave soldering processes.

Q: Do all parts have the same moisture sensitivity rating?

A: Yes. All parts, including the original RCS2012F1431CS, carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute offers the best availability?

A: Panasonic Electronic Components ERJ-6ENF1431V provides the highest current inventory at 77,284 units. Vishay Dale CRCW08051K43FKEA is the second option with 36,649 units available.

Q: Are all parts RoHS3 compliant?

A: Yes. All listed parts, including the original RCS2012F1431CS, are RoHS3 compliant and REACH unaffected, meeting current environmental regulations.

Q: What is the significance of the anti-sulfur feature on the RCS2012F1431CS?

A: The anti-sulfur feature on the Samsung part provides additional protection against sulfur-containing atmospheric contaminants. Substitute parts without this specific designation still maintain moisture resistance. For applications in high-sulfur environments, the original RCS2012F1431CS may be preferred if this feature is critical to design requirements.