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RC2012F9094CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012F9094CS is a 9.09 MOhms ±1% 0.125W chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 936 units available in inventory. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or alternative sourcing.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 9.09 MOhms | Core functional requirement |
| Tolerance | ±1% | Precision specification |
| Power Rating | 0.125W (1/8W) | Thermal dissipation capacity |
| Package / Case | 0805 (2012 Metric) | Physical form factor |
| Composition | Thick Film | Manufacturing technology |
| Temperature Coefficient | ±100ppm/°C | Stability specification |
| Operating Temperature Range | -55°C ~ 155°C | Environmental limits |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | Handling and storage |
| RoHS Status | ROHS3 Compliant | Environmental compliance |
| Packaging Format | Tape & Reel (TR) | Supply format |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across all critical electrical and mechanical parameters. The following criteria establish valid substitution:
Mandatory Equivalence Parameters:
- Resistance value: 9.09 MOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.125W / 1/8W (exact match required)
- Package / Case: 0805 (2012 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C ~ 155°C (exact match required)
- MSL rating: 1 (Unlimited) (exact match required)
- RoHS compliance: ROHS3 Compliant (exact match required)
Permitted Variation Parameters:
- Manufacturer identity (different manufacturers acceptable)
- Height-seated dimension (minor variations acceptable within standard tolerances)
- Series designation (manufacturer-specific nomenclature)
- Additional certifications (e.g., AEC-Q200 automotive qualification) permitted as enhancements
The RC0805FR-079M09L (YAGEO) qualifies as a direct equivalent. The CRCW08059M09FKEA (Vishay Dale) qualifies as a similar substitute with additional automotive AEC-Q200 certification.
Parameter Comparison
| Parameter | RC2012F9094CS (Samsung) | RC0805FR-079M09L (YAGEO) | CRCW08059M09FKEA (Vishay Dale) |
|---|---|---|---|
| Resistance | 9.09 MOhms | 9.09 MOhms | 9.09 MOhms |
| Tolerance | ±1% | ±1% | ±1% |
| Power Rating | 0.125W (1/8W) | 0.125W (1/8W) | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Height-Seated (Max) | 0.026" (0.66mm) | 0.024" (0.60mm) | 0.020" (0.50mm) |
| Product Status | Active | Active | Active |
| Additional Certification | Moisture Resistant | Moisture Resistant | Automotive AEC-Q200 |
Engineering Selection Recommendations
RC0805FR-079M09L (YAGEO) - Direct Equivalent: This part maintains complete electrical and mechanical equivalence to the RC2012F9094CS. Both components share identical resistance, tolerance, power rating, package format, temperature coefficient, and operating range. The YAGEO variant exhibits a slightly lower seated height (0.60mm vs. 0.66mm), which presents no compatibility issues for standard PCB assembly processes. Both parts carry ROHS3 compliance and MSL-1 rating. Selection of this substitute is appropriate for general-purpose applications requiring direct replacement without design modification.
CRCW08059M09FKEA (Vishay Dale) - Similar Substitute with Automotive Qualification: This part satisfies all mandatory electrical and mechanical equivalence criteria while providing additional AEC-Q200 automotive qualification. The seated height is further reduced to 0.50mm, remaining within acceptable assembly tolerances. The automotive certification qualifies this component for use in automotive and mission-critical applications where enhanced reliability documentation and qualification testing are required. Selection of this substitute is appropriate for applications requiring automotive-grade components or where supply chain diversification toward automotive-qualified sources is beneficial.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-079M09L be used as a direct replacement for RC2012F9094CS without PCB redesign?
A: Yes. Both components share identical electrical specifications (9.09 MOhms, ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C) and package format (0805 / 2012 Metric). The minor height difference (0.60mm vs. 0.66mm) falls within standard PCB assembly tolerances and requires no design modification.
Q: What is the difference between the YAGEO and Vishay Dale substitutes?
A: Both parts are electrically and mechanically equivalent to the original Samsung component. The Vishay Dale CRCW08059M09FKEA includes AEC-Q200 automotive qualification and exhibits a lower seated height (0.50mm). Selection depends on application requirements: general-purpose applications may use either part; automotive or mission-critical applications benefit from the AEC-Q200 certification.
Q: Are all three parts ROHS3 compliant?
A: Yes. RC2012F9094CS, RC0805FR-079M09L, and CRCW08059M09FKEA are all ROHS3 compliant with MSL-1 (Unlimited) moisture sensitivity rating.
Q: Does the height difference between substitutes affect PCB assembly?
A: No. The height variations (0.66mm, 0.60mm, 0.50mm) are within standard 0805 package tolerances and do not impact reflow soldering, wave soldering, or automated assembly processes. All three parts are compatible with standard pick-and-place equipment and assembly parameters.
Q: Can CRCW08059M09FKEA be used in non-automotive applications?
A: Yes. AEC-Q200 certification represents an additional qualification level and does not restrict use in non-automotive applications. The part meets all general-purpose specifications and may be selected for any application requiring 9.09 MOhms ±1% 0.125W 0805 resistors.
Q: What is the inventory status of each substitute?
A: RC2012F9094CS (Samsung): 936 units; RC0805FR-079M09L (YAGEO): 8106 units; CRCW08059M09FKEA (Vishay Dale): 19876 units. All parts are in active production and available as new original stock.
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