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RCS2012F1541CS Equivalent & Substitute Parts Reference
Part Overview
The RCS2012F1541CS is a 1.54 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 anti-sulfur and moisture-resistant characteristics. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements, enabling direct replacement in circuit applications without design modification.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1.54 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package Type | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RCS2012F1541CS are qualified based on the following criteria:
Electrical Parameters (Must Match):
- Resistance value: 1.54 kOhms
- Tolerance: ±1%
- Power rating: 0.125W (1/8W)
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C to 155°C
Mechanical Parameters (Must Match):
- Package: 0805 (2012 Metric)
- Number of terminations: 2
- Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
Compliance Parameters (Must Match):
- RoHS3 Compliant
- MSL 1 (Unlimited)
- REACH Unaffected
- ECCN: EAR99
All substitute parts listed meet these criteria and are therefore electrically and mechanically interchangeable with the RCS2012F1541CS in standard circuit applications.
Parameter Comparison
| Parameter | RCS2012F1541CS (Samsung) | CRCW08051K54FKEA (Vishay Dale) | ERJ-6ENF1541V (Panasonic) | RC0805FR-071K54L (YAGEO) |
|---|---|---|---|---|
| Resistance | 1.54 kOhms | 1.54 kOhms | 1.54 kOhms | 1.54 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W | 0.125W | 0.125W | 0.125W |
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C |
| Dimensions (L x W) | 0.079" x 0.049" | 0.079" x 0.049" | 0.079" x 0.049" | 0.079" x 0.049" |
| Height (Max) | 0.026" (0.66mm) | 0.020" (0.50mm) | 0.028" (0.70mm) | 0.024" (0.60mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active |
Engineering Selection Recommendations
All four components listed—RCS2012F1541CS, CRCW08051K54FKEA, ERJ-6ENF1541V, and RC0805FR-071K54L—are Active status products with ROHS3 compliance and MSL 1 rating. They are electrically and mechanically equivalent for standard circuit applications.
Automotive Applications: CRCW08051K54FKEA (Vishay Dale) and ERJ-6ENF1541V (Panasonic) carry AEC-Q200 automotive qualification. These parts are suitable for automotive-grade circuit designs.
General Industrial Applications: RCS2012F1541CS (Samsung) and RC0805FR-071K54L (YAGEO) are suitable for general industrial and consumer electronics applications.
Height Considerations: All parts fit within standard 0805 package height tolerances. CRCW08051K54FKEA has the lowest maximum seated height at 0.020" (0.50mm), while ERJ-6ENF1541V has the highest at 0.028" (0.70mm). Height differences are within typical PCB assembly clearance specifications.
Inventory Availability: ERJ-6ENF1541V (86,070 Pcs) and RC0805FR-071K54L (81,219 Pcs) offer higher stock levels compared to CRCW08051K54FKEA (19,198 Pcs) and RCS2012F1541CS (860 Pcs).
Frequently Asked Questions (FAQ)
Q: Can CRCW08051K54FKEA replace RCS2012F1541CS in non-automotive applications?
A: Yes. CRCW08051K54FKEA meets all electrical and mechanical specifications of RCS2012F1541CS. The AEC-Q200 automotive qualification is an additional feature that does not restrict use in general applications.
Q: Are there any height clearance issues when substituting these parts?
A: No. All substitute parts have maximum seated heights between 0.020" and 0.028", which fall within standard 0805 package specifications and typical PCB assembly clearances.
Q: Do all substitute parts have the same moisture sensitivity rating?
A: Yes. All parts listed carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.
Q: Which substitute part has the best long-term availability?
A: ERJ-6ENF1541V (Panasonic) and RC0805FR-071K54L (YAGEO) both show higher inventory levels and are established manufacturers with consistent product availability.
Q: Can these parts be used interchangeably in the same PCB design?
A: Yes. All parts are mechanically and electrically equivalent for the 0805 package footprint. No PCB layout modifications are required for substitution.
Q: Are all substitute parts compliant with REACH and RoHS regulations?
A: Yes. All parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.
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