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RC2012F12R1CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012F12R1CS is a 12.1 Ohms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status and is supplied in Tape & Reel packaging. The part is ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring 12.1 Ohm resistive elements with identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 12.1 Ohms |
| 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 |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| Packaging Type | Tape & Reel (TR) |
Substitute Part Grouping Explanation
Substitution eligibility for the RC2012F12R1CS is determined by strict equivalence across the following critical parameters:
Electrical Parameters:
- Resistance value: 12.1 Ohms (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 / Case: 0805 (2012 Metric) (exact match required)
- Number of terminations: 2 (exact match required)
- Composition: Thick Film (exact match required)
Compliance Parameters:
- RoHS Status: ROHS3 Compliant (exact match required)
- Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
- Packaging: Tape & Reel (TR) (exact match required)
All identified substitute parts meet these criteria. Additional features such as Automotive AEC-Q200 certification or Moisture Resistant designation represent enhanced capabilities that do not disqualify substitution but indicate expanded application scope.
Parameter Comparison
| Parameter | RC2012F12R1CS (Samsung) | ERJ-6ENF12R1V (Panasonic) | RC0805FR-0712R1L (YAGEO) | RMCF0805FT12R1 (Stackpole) | CRCW080512R1FKEA (Vishay Dale) |
|---|---|---|---|---|---|
| Resistance | 12.1 Ohms | 12.1 Ohms | 12.1 Ohms | 12.1 Ohms | 12.1 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W | 0.125W | 0.125W | 0.125W | 0.125W |
| Package / Case | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±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 | -55°C ~ 155°C |
| Terminations | 2 | 2 | 2 | 2 | 2 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Active |
| Features | Moisture Resistant | Automotive AEC-Q200 | Moisture Resistant | Automotive AEC-Q200 | Automotive AEC-Q200 |
Engineering Selection Recommendations
All identified substitute parts are Active product status components with full ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility with the RC2012F12R1CS.
Direct Substitutes (Electrical and Mechanical Equivalence):
The ERJ-6ENF12R1V (Panasonic), RC0805FR-0712R1L (YAGEO), RMCF0805FT12R1 (Stackpole), and CRCW080512R1FKEA (Vishay Dale) are electrically and mechanically equivalent to the RC2012F12R1CS across all specified parameters.
Application-Specific Considerations:
Parts designated with Automotive AEC-Q200 certification (ERJ-6ENF12R1V, RMCF0805FT12R1, CRCW080512R1FKEA) are qualified for automotive applications and meet additional reliability and qualification standards. These parts are suitable for both general industrial and automotive applications.
Parts designated with Moisture Resistant features (RC2012F12R1CS, RC0805FR-0712R1L) are suitable for applications requiring enhanced moisture protection. All parts maintain MSL 1 classification, indicating unlimited shelf life under standard storage conditions.
Inventory and Availability:
Selection among substitute parts may be based on inventory availability and lead time requirements. Current inventory levels vary across manufacturers and should be verified through component distributors.
Frequently Asked Questions (FAQ)
Q: Can ERJ-6ENF12R1V replace RC2012F12R1CS in any application?
A: Yes. The ERJ-6ENF12R1V meets all electrical and mechanical specifications of the RC2012F12R1CS. The Automotive AEC-Q200 certification of the Panasonic part represents an additional qualification that does not restrict its use in non-automotive applications.
Q: What is the difference between Moisture Resistant and standard thick film resistors?
A: Both RC2012F12R1CS and RC0805FR-0712R1L are classified as Moisture Resistant. All substitute parts in this list maintain MSL 1 (Unlimited) rating, indicating equivalent moisture sensitivity performance under standard storage and handling conditions.
Q: Are all substitute parts available in Tape & Reel packaging?
A: Yes. All substitute parts listed are supplied in Tape & Reel (TR) packaging format, matching the packaging specification of the RC2012F12R1CS.
Q: Do substitute parts have identical physical dimensions?
A: All parts share the same 0805 (2012 Metric) package specification with dimensions 0.079" L x 0.049" W (2.00mm x 1.25mm). Height-seated measurements vary slightly between manufacturers (0.020" to 0.028"), remaining within standard PCB assembly tolerances.
Q: Is ROHS3 compliance consistent across all parts?
A: Yes. All substitute parts are ROHS3 compliant, matching the compliance status of the RC2012F12R1CS.
Q: Can I use CRCW080512R1FKEA in place of RC2012F12R1CS for non-automotive applications?
A: Yes. The CRCW080512R1FKEA meets all electrical and mechanical requirements of the RC2012F12R1CS. Automotive AEC-Q200 certification indicates additional qualification but does not restrict use in general industrial applications.
Q: What determines substitution eligibility for 0805 12.1 Ohm resistors?
A: Substitution eligibility is determined by exact equivalence in resistance value (12.1 Ohms), tolerance (±1%), power rating (0.125W), package format (0805), composition (Thick Film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1).
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