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RCS2012F513CS Equivalent & Substitute Parts Reference
Part Overview
The RCS2012F513CS is a 51 kOhms ±1% 0.125W (1/8W) 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 construction. Equivalent and substitute parts are identified when applications require alternative sourcing, inventory availability, or specific certifications such as automotive AEC-Q200 qualification or enhanced power ratings.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 51 kOhms |
| 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 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute parts for the RCS2012F513CS are qualified based on the following electrical and mechanical parameters:
Core Substitution Criteria:
- Resistance value: 51 kOhms
- Tolerance: ±1%
- Package / Case: 0805 (2012 Metric)
- Composition: Thick Film
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature Range: -55°C ~ 155°C
- Moisture Sensitivity Level: 1 (Unlimited)
Acceptable Variations:
- Power rating: 0.125W (1/8W) as primary equivalent; higher ratings (0.4W, 0.5W) permitted for applications requiring increased power dissipation capability
- Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats are interchangeable for component procurement
- Certifications: AEC-Q200 automotive qualification is an additional feature that does not prevent substitution in non-automotive applications
- RoHS/REACH compliance: ROHS3 Compliant and REACH Unaffected status required for direct substitution
Substitute parts are grouped into two categories: Direct Equivalents (identical power rating and features) and Enhanced Alternatives (higher power ratings or additional certifications).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Package | Temp Coeff | Op Temp Range | Height Max | AEC-Q200 | RoHS Status | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RCS2012F513CS | Samsung Electro-Mechanics | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.66mm | No | ROHS3 Compliant | Tape & Reel (TR) |
| AC0805FR-0751KL | YAGEO | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.60mm | Yes | ROHS3 Compliant | Cut Tape (CT) & Digi-Reel® |
| CRCW080551K0FKEA | Vishay Dale | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Yes | ROHS3 Compliant | Tape & Reel (TR) |
| CRCW080551K0FKEAHP | Vishay Dale | 51 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Yes | ROHS3 Compliant | Tape & Reel (TR) |
| CRCW080551K0FKTA | Vishay Dale | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Yes | RoHS non-compliant | Tape & Reel (TR) |
| ERJ-6ENF5102V | Panasonic Electronic Components | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.70mm | Yes | ROHS3 Compliant | Tape & Reel (TR) |
| ESR10EZPF5102 | Rohm Semiconductor | 51 kOhms | ±1% | 0.4W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.65mm | Yes | ROHS3 Compliant | Tape & Reel (TR) |
| RC0805FR-0751KL | YAGEO | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.60mm | No | ROHS3 Compliant | Cut Tape (CT) & Digi-Reel® |
| RCS080551K0FKEA | Vishay Dale | 51 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Yes | ROHS3 Compliant | Tape & Reel (TR) |
| RMCF0805FT51K0 | Stackpole Electronics Inc | 51 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.65mm | Yes | ROHS3 Compliant | Tape & Reel (TR) |
Engineering Selection Recommendations
Direct Equivalents (Identical Specifications):
The following parts are direct substitutes with matching 0.125W power rating and identical electrical characteristics:
- AC0805FR-0751KL (YAGEO): ROHS3 Compliant, AEC-Q200 qualified, Cut Tape packaging
- CRCW080551K0FKEA (Vishay Dale): ROHS3 Compliant, AEC-Q200 qualified, Tape & Reel packaging
- ERJ-6ENF5102V (Panasonic Electronic Components): ROHS3 Compliant, AEC-Q200 qualified, Tape & Reel packaging
- RC0805FR-0751KL (YAGEO): ROHS3 Compliant, Tape & Reel packaging
- RMCF0805FT51K0 (Stackpole Electronics Inc): ROHS3 Compliant, AEC-Q200 qualified, Tape & Reel packaging
Enhanced Alternatives (Higher Power Rating):
The following parts provide increased power dissipation capability (0.4W or 0.5W) while maintaining all other electrical parameters:
- CRCW080551K0FKEAHP (Vishay Dale): 0.5W rating, ROHS3 Compliant, AEC-Q200 qualified, pulse withstanding capability
- ESR10EZPF5102 (Rohm Semiconductor): 0.4W rating, ROHS3 Compliant, AEC-Q200 qualified, pulse withstanding capability
- RCS080551K0FKEA (Vishay Dale): 0.5W rating, ROHS3 Compliant, AEC-Q200 qualified, pulse withstanding capability
Non-Recommended Substitutes:
- CRCW080551K0FKTA (Vishay Dale): RoHS non-compliant status disqualifies this part for applications requiring ROHS3 compliance
Selection between direct equivalents depends on packaging format preference (Tape & Reel versus Cut Tape), automotive certification requirement (AEC-Q200), and manufacturer availability. Enhanced alternatives are suitable only when circuit design permits higher power dissipation without thermal or performance impact.
Frequently Asked Questions (FAQ)
Q: Can I substitute the RCS2012F513CS with a higher power-rated resistor such as CRCW080551K0FKEAHP (0.5W)?
A: Yes. Higher power-rated resistors are electrically compatible substitutes provided the circuit design accommodates the component. The 0.5W rating provides additional thermal margin and does not degrade performance in applications designed for 0.125W operation. Physical dimensions remain within 0805 package specifications.
Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?
A: Both packaging formats contain identical components. Tape & Reel (TR) is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel® is pre-cut tape on a reel for manual or semi-automated handling. Selection depends on assembly process requirements and equipment compatibility.
Q: Does AEC-Q200 automotive qualification affect substitution in non-automotive applications?
A: No. AEC-Q200 qualification is an additional certification that does not prevent use in non-automotive circuits. Parts with AEC-Q200 qualification meet or exceed the electrical and reliability requirements of non-automotive applications and are fully compatible substitutes.
Q: Why is CRCW080551K0FKTA not recommended as a substitute?
A: CRCW080551K0FKTA carries RoHS non-compliant status, whereas the RCS2012F513CS is ROHS3 Compliant. Applications requiring regulatory compliance with RoHS directives cannot use this part. REACH status is also affected for this component.
Q: Are all substitute parts rated for the same operating temperature range?
A: Yes. All listed substitute parts operate across the -55°C ~ 155°C temperature range with ±100ppm/°C temperature coefficient, matching the RCS2012F513CS specifications.
Q: What is Moisture Sensitivity Level (MSL) 1, and does it affect substitution?
A: MSL 1 indicates unlimited shelf life without moisture-related degradation. All substitute parts carry MSL 1 rating, ensuring equivalent moisture resistance and storage stability.
Q: Can I use RC0805FR-0751KL as a substitute if my application does not require AEC-Q200 certification?
A: Yes. RC0805FR-0751KL is a direct electrical equivalent with ROHS3 compliance. The absence of AEC-Q200 certification does not affect performance in non-automotive applications and represents a valid substitution option.
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