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RC2012F30R1CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012F30R1CS is a 30.1 Ohm ±1% 1/8W 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 with MSL 1 rating. The part is currently in active production status with 882 pieces available in inventory. Equivalent and substitute parts are identified when manufacturers discontinue production lines, inventory becomes depleted, or alternative sourcing is required for supply chain optimization while maintaining identical electrical and mechanical performance specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 30.1 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 |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Packaging Type | Tape & Reel (TR) |
Substitute Part Grouping Explanation
Substitution eligibility for the RC2012F30R1CS is determined by strict equivalence across the following critical parameters: resistance value (30.1 Ohms), tolerance (±1%), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), moisture sensitivity level (MSL 1), and RoHS3 compliance status.
Substitute parts are categorized into two groups:
Direct Equivalents: Parts with identical power rating (0.125W / 1/8W), identical physical dimensions, and identical electrical specifications. These parts are pin-for-pin and functionally interchangeable without circuit redesign.
Functional Equivalents with Enhanced Specifications: Parts that maintain all core electrical parameters but feature higher power ratings (0.5W / 1/2W) or automotive-grade certifications (AEC-Q200). These parts are mechanically and electrically compatible but offer additional performance margins or qualification levels beyond the original specification.
All substitute parts listed maintain the same 0805 package footprint, two-terminal configuration, and operate within the identical temperature range. All are ROHS3 compliant with MSL 1 rating and Tape & Reel packaging.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Package | Temp Coeff | Op Temp Range | Height Max | Features | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC2012F30R1CS | Samsung Electro-Mechanics | 30.1 Ω | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.66mm | Moisture Resistant | ROHS3 | 1 |
| RC0805FR-0730R1L | YAGEO | 30.1 Ω | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.60mm | Moisture Resistant | ROHS3 | 1 |
| CRCW080530R1FKEA | Vishay Dale | 30.1 Ω | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Automotive AEC-Q200 | ROHS3 | 1 |
| CRCW080530R1FKEAHP | Vishay Dale | 30.1 Ω | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Automotive AEC-Q200, Pulse Withstanding | ROHS3 | 1 |
| ERJ-6ENF30R1V | Panasonic Electronic Components | 30.1 Ω | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.70mm | Automotive AEC-Q200 | ROHS3 | 1 |
| RCS080530R1FKEA | Vishay Dale | 30.1 Ω | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.50mm | Automotive AEC-Q200, Pulse Withstanding | ROHS3 | 1 |
| RMCF0805FT30R1 | Stackpole Electronics Inc | 30.1 Ω | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | 0.65mm | Automotive AEC-Q200 | ROHS3 | 1 |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications):
RC0805FR-0730R1L (YAGEO) is the primary direct equivalent, offering identical electrical performance, power rating, and package dimensions with 60,526 units in stock. This part maintains all original specifications including moisture resistance and MSL 1 rating.
For Applications Requiring Automotive Qualification:
CRCW080530R1FKEA (Vishay Dale), ERJ-6ENF30R1V (Panasonic), and RMCF0805FT30R1 (Stackpole) are suitable when AEC-Q200 automotive-grade certification is required. All three maintain the 0.125W power rating and identical electrical specifications while providing automotive qualification. ERJ-6ENF30R1V offers the highest inventory availability at 125,212 units.
For Applications Requiring Enhanced Power Handling:
CRCW080530R1FKEAHP (Vishay Dale) and RCS080530R1FKEA (Vishay Dale) provide 0.5W power rating with AEC-Q200 certification and pulse withstanding capability. These parts are suitable for circuits requiring higher transient energy absorption while maintaining the same 30.1 Ohm resistance and ±1% tolerance. Both feature reduced height (0.50mm) compared to the original part.
All substitute parts are ROHS3 compliant, MSL 1 rated, and packaged in Tape & Reel format, ensuring compatibility with standard assembly processes.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-0730R1L replace RC2012F30R1CS in any application?
A: Yes. RC0805FR-0730R1L is a direct equivalent with identical resistance (30.1 Ω), tolerance (±1%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance status (ROHS3, MSL 1). The 0.06mm height difference (0.60mm vs 0.66mm) is within standard PCB assembly tolerances.
Q: What is the difference between the standard CRCW080530R1FKEA and CRCW080530R1FKEAHP?
A: Both are Vishay Dale 0805 resistors with 30.1 Ω and ±1% tolerance. The primary difference is power rating: CRCW080530R1FKEA is rated 0.125W (1/8W), while CRCW080530R1FKEAHP is rated 0.5W (1/2W) with pulse withstanding capability. Both include AEC-Q200 automotive certification. The higher power rating provides additional thermal margin and transient energy handling.
Q: Are all substitute parts suitable for automotive applications?
A: The original RC2012F30R1CS does not carry AEC-Q200 certification. Substitute parts with AEC-Q200 rating (CRCW080530R1FKEA, ERJ-6ENF30R1V, RMCF0805FT30R1, CRCW080530R1FKEAHP, RCS080530R1FKEA) are qualified for automotive use. RC0805FR-0730R1L (YAGEO) does not carry automotive certification and is suitable for general industrial and consumer applications.
Q: Do all substitute parts fit the same PCB footprint?
A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height variations range from 0.50mm to 0.70mm, which are within standard PCB assembly clearance specifications and do not affect footprint compatibility.
Q: What is MSL 1 rating and why is it important?
A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, meaning they can be stored and handled under standard warehouse conditions without special moisture control procedures. This simplifies inventory management and reduces handling costs.
Q: Can I use a higher power-rated substitute in place of the original 0.125W part?
A: Yes. CRCW080530R1FKEAHP and RCS080530R1FKEA are rated 0.5W and are electrically and mechanically compatible with circuits designed for 0.125W resistors. The higher power rating provides additional thermal margin and does not degrade circuit performance. However, circuit design must still comply with the original 0.125W specification if that was the design intent.
Q: Are all parts ROHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 compliance status, matching the original RC2012F30R1CS. This ensures compatibility with RoHS-regulated supply chains and end-use applications.
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