RCS2012F1542CS Equivalent & Substitute Parts

Part Overview

The RCS2012F1542CS is a 15.4 kOhms ±1% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant construction, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is Active status and RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RCS2012F1542CS

Samsung Electro-MechanicsIn Stock: 1083RCS2012F1542CS Datasheet

Current PartRFQ

AC0805FR-0715K4L

YAGEOIn Stock: 11140AC0805FR-0715K4L Datasheet

SimilarRFQ

CRCW080515K4FKEA

Vishay DaleIn Stock: 26622CRCW080515K4FKEA Datasheet

SimilarRFQ

ERJ-6ENF1542V

Panasonic Electronic ComponentsIn Stock: 100010ERJ-6ENF1542V Datasheet

SimilarRFQ

RC0805FR-0715K4L

YAGEOIn Stock: 4958RC0805FR-0715K4L Datasheet

SimilarRFQ

RMCF0805FT15K4

Stackpole Electronics IncIn Stock: 8555RMCF0805FT15K4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F1542CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 15.4 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.125W / 1/8W (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Mechanical Parameters:

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

Compliance Parameters:

• Composition: Thick Film (exact match required)
• RoHS Status: RoHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

All identified substitute parts meet these criteria. Additional features such as automotive AEC-Q200 certification or anti-sulfur construction represent enhanced capabilities that do not prevent substitution but may offer additional benefits for specific applications.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts are functionally equivalent to the RCS2012F1542CS based on matching electrical, mechanical, and compliance specifications. Selection among these alternatives may be based on the following factors:

Availability: CRCW080515K4FKEA (Vishay Dale) offers the highest inventory level at 26,561 pieces, followed by ERJ-6ENF1542V (Panasonic) at 99,909 pieces.

Automotive Applications: AC0805FR-0715K4L (YAGEO), CRCW080515K4FKEA (Vishay Dale), ERJ-6ENF1542V (Panasonic), and RMCF0805FT15K4 (Stackpole) carry AEC-Q200 automotive qualification, suitable for automotive-grade circuit requirements.

Physical Height Considerations: CRCW080515K4FKEA presents the lowest seated height at 0.50mm (0.020"), while ERJ-6ENF1542V has the highest at 0.70mm (0.028"). Height differences remain within acceptable tolerances for standard PCB assembly processes.

Compliance Status: All substitute parts maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can AC0805FR-0715K4L replace RCS2012F1542CS directly?

A: Yes. AC0805FR-0715K4L matches all critical electrical parameters (15.4 kOhms ±1%, 0.125W), mechanical specifications (0805 package, 2.00mm x 1.25mm), and compliance requirements (RoHS3, MSL 1). The addition of AEC-Q200 automotive certification provides enhanced qualification without affecting substitution compatibility.

Q: What is the difference between CRCW080515K4FKEA and RMCF0805FT15K4?

A: Both parts are electrically and mechanically equivalent to RCS2012F1542CS. CRCW080515K4FKEA (Vishay Dale) has a seated height of 0.50mm, while RMCF0805FT15K4 (Stackpole) has a seated height of 0.65mm. Both heights are within standard PCB assembly tolerances. CRCW080515K4FKEA offers significantly higher inventory availability (26,561 vs. 8,506 pieces).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry RoHS3 compliance status, matching the original RCS2012F1542CS specification.

Q: Does the height difference between substitute parts affect PCB assembly?

A: Height variations among substitute parts range from 0.50mm to 0.70mm (maximum seated height). These differences fall within standard surface-mount assembly tolerances and do not affect functional performance or PCB layout compatibility for 0805 package footprints.

Q: Which substitute part has the best availability?

A: ERJ-6ENF1542V (Panasonic Electronic Components) offers the highest inventory at 99,909 pieces, followed by CRCW080515K4FKEA (Vishay Dale) at 26,561 pieces.

Q: Can I use RC0805FR-0715K4L as a substitute?

A: Yes. RC0805FR-0715K4L matches all electrical and mechanical specifications of RCS2012F1542CS. This part does not carry AEC-Q200 automotive certification but maintains full RoHS3 compliance and moisture resistance features.

Q: What is the significance of MSL Level 1 rating?

A: MSL Level 1 (Unlimited) indicates unlimited shelf life without moisture baking requirements. All substitute parts maintain this rating, ensuring consistent handling and storage procedures with the original RCS2012F1542CS.