RCS2012F9311CS Equivalent & Substitute Parts

Part Overview

The RCS2012F9311CS is a 9.31 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 a temperature coefficient of ±100ppm/°C. The part maintains Active product status with 771 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit applications.

Substiute Parts

RCS2012F9311CS

Samsung Electro-MechanicsIn Stock: 803RCS2012F9311CS Datasheet

Current PartRFQ

CRCW08059K31FKEA

Vishay DaleIn Stock: 26030CRCW08059K31FKEA Datasheet

SimilarRFQ

ERJ-6ENF9311V

Panasonic Electronic ComponentsIn Stock: 67318ERJ-6ENF9311V Datasheet

SimilarRFQ

RC0805FR-079K31L

YAGEOIn Stock: 46571RC0805FR-079K31L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F9311CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 9.31 kOhms (exact match)
• Tolerance: ±1% (exact match)
• Power rating: 0.125W / 1/8W (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C to 155°C (exact match)

Mechanical Equivalence Requirements:

• Package type: 0805 (2012 Metric) (exact match)
• Composition: Thick Film (exact match)
• Number of terminations: 2 (exact match)
• Packaging format: Tape & Reel (TR) (exact match)

Compliance Equivalence Requirements:

• RoHS3 Compliant status (exact match)
• Moisture Sensitivity Level: MSL 1 (exact match)
• REACH Unaffected status (exact match)

All identified substitute parts meet these criteria. Variations in physical height (seated maximum) and specific feature sets (anti-sulfur vs. automotive AEC-Q200 ratings) do not affect electrical or mechanical interchangeability within the specified parameters.

Parameter Comparison

Engineering Selection Recommendations

All four parts listed—RCS2012F9311CS, CRCW08059K31FKEA, ERJ-6ENF9311V, and RC0805FR-079K31L—are electrically and mechanically equivalent for direct substitution in applications requiring a 9.31 kOhms ±1% 0.125W 0805 chip resistor.

Selection Criteria Based on Provided Data:

RCS2012F9311CS (Samsung Electro-Mechanics): Features anti-sulfur and moisture-resistant properties. Active product status. Suitable for general industrial and consumer applications requiring enhanced environmental protection.

CRCW08059K31FKEA (Vishay Dale): Carries automotive AEC-Q200 qualification. Active product status. Recommended for automotive and mission-critical applications where automotive-grade reliability is specified. Lowest seated height (0.020").

ERJ-6ENF9311V (Panasonic Electronic Components): Carries automotive AEC-Q200 qualification. Active product status. Recommended for automotive and mission-critical applications. Highest inventory availability (67302 pieces). Highest seated height (0.028").

RC0805FR-079K31L (YAGEO): Features moisture-resistant properties. Active product status. Suitable for general industrial and consumer applications. Mid-range seated height (0.024").

All parts maintain ROHS3 compliance, MSL 1 rating, and REACH Unaffected status. Selection between these parts should be based on application requirements (automotive vs. general industrial), PCB layout constraints (height considerations), and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can CRCW08059K31FKEA replace RCS2012F9311CS directly on a PCB?

A: Yes. Both parts share identical electrical specifications (9.31 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C), mechanical package (0805), and compliance certifications (ROHS3, MSL 1). The CRCW08059K31FKEA has a lower seated height (0.020" vs. 0.026"), which may provide additional PCB clearance in space-constrained designs.

Q: What is the difference between the anti-sulfur feature in RCS2012F9311CS and the AEC-Q200 rating in CRCW08059K31FKEA and ERJ-6ENF9311V?

A: Anti-sulfur protection addresses environmental corrosion from sulfur-containing atmospheres, while AEC-Q200 is an automotive qualification standard covering reliability, temperature cycling, and failure rate requirements. These are different feature sets; neither is superior for all applications. Select based on your specific environmental and application requirements.

Q: Are there any height restrictions when substituting these parts?

A: Seated heights vary: RCS2012F9311CS (0.66mm), CRCW08059K31FKEA (0.50mm), ERJ-6ENF9311V (0.70mm), RC0805FR-079K31L (0.60mm). If your PCB design has height constraints or clearance requirements, verify the substitute part's seated height against your mechanical specifications before selection.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All four parts carry MSL 1 (Unlimited) rating, indicating unlimited shelf life under uncontrolled storage conditions. No special moisture control measures are required during handling or storage.

Q: Which substitute part has the best availability?

A: ERJ-6ENF9311V (Panasonic) has the highest inventory at 67302 pieces, followed by RC0805FR-079K31L (YAGEO) at 46500 pieces, and CRCW08059K31FKEA (Vishay Dale) at 25935 pieces.