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RC2012F1274CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012F1274CS is a 1.27 MOhms ±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 moisture-resistant construction suitable for general industrial applications. Substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory compliance to ensure functional equivalence in circuit design applications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1.27 MOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RC2012F1274CS are qualified based on the following criteria:
Electrical Parameters (Critical):
- Resistance value: 1.27 MOhms
- 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
Regulatory & Compliance Parameters:
- RoHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
All identified substitute parts maintain identical electrical specifications and package compatibility. Variations in maximum seated height and packaging format (Tape & Reel vs. Cut Tape) do not affect functional substitution in standard PCB assembly processes.
Parameter Comparison
| Parameter | RC2012F1274CS (Samsung) | RC0805FR-071M27L (YAGEO) | CRCW08051M27FKEA (Vishay Dale) | ERJ-6ENF1274V (Panasonic) |
|---|---|---|---|---|
| Resistance | 1.27 MOhms | 1.27 MOhms | 1.27 MOhms | 1.27 MOhms |
| 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 ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.024" (0.60mm) | 0.020" (0.50mm) | 0.028" (0.70mm) |
| 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
RC0805FR-071M27L (YAGEO): Direct equivalent with identical electrical and mechanical specifications. Suitable for general industrial applications requiring moisture-resistant thick film resistors. Highest inventory availability (155,326 pcs) supports supply chain continuity.
CRCW08051M27FKEA (Vishay Dale): Functionally equivalent with automotive AEC-Q200 qualification. Lowest maximum seated height (0.020") provides advantage in space-constrained PCB layouts. Recommended for applications requiring automotive-grade reliability standards.
ERJ-6ENF1274V (Panasonic): Functionally equivalent with automotive AEC-Q200 qualification. Highest maximum seated height (0.028") among substitute options. Suitable for applications requiring automotive-grade components with standard clearance specifications.
All substitute parts maintain Active product status and full RoHS3 compliance, ensuring long-term availability and regulatory conformance.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-071M27L replace RC2012F1274CS in existing designs?
A: Yes. Both components share identical resistance value (1.27 MOhms), tolerance (±1%), power rating (0.125W), package type (0805), and operating temperature range (-55°C ~ 155°C). Physical dimensions and termination count are equivalent.
Q: What is the difference between the substitute parts?
A: All substitute parts meet identical electrical specifications. Primary differences are: (1) CRCW08051M27FKEA and ERJ-6ENF1274V include automotive AEC-Q200 qualification; (2) Maximum seated heights vary between 0.020" and 0.028", which may affect PCB clearance in high-density layouts; (3) Packaging format differs (Tape & Reel vs. Cut Tape & Digi-Reel).
Q: Are automotive-qualified substitutes (CRCW08051M27FKEA, ERJ-6ENF1274V) compatible with non-automotive applications?
A: Yes. Automotive-qualified components exceed general industrial specifications and are fully compatible with non-automotive circuit designs. AEC-Q200 certification indicates enhanced reliability and stricter manufacturing controls.
Q: Does seated height variation affect PCB assembly compatibility?
A: Seated height differences (0.020" to 0.028") are within standard PCB assembly tolerances and do not affect functional compatibility. Selection should consider specific PCB clearance requirements and component placement density.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 Compliant with MSL Rating 1 (Unlimited), matching the original RC2012F1274CS specifications.
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