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RC2012J271CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012J271CS is a 270 Ohms ±5% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. The part is supplied in Tape & Reel packaging with 1135 pieces currently in stock inventory.
Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package type, physical dimensions, termination count). Alternative sources provide equivalent functionality with identical or improved tolerance grades and compliance certifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 270 Ohms |
| Tolerance | ±5% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Physical Dimensions | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts are classified into two categories based on substitution compatibility:
Direct Equivalent (Same Tolerance Grade ±5%): RC0805JR-07270RL (YAGEO) maintains identical electrical and mechanical specifications as the main part, including ±5% tolerance, 0.125W power rating, and 0805 package format. This part provides direct interchangeability with no circuit performance changes.
Upgrade Equivalents (Improved Tolerance ±1%): AC0805FR-07270RL, CRG0805F270R, ERJ-6ENF2700V, KTR10EZPF2700, RC0805FR-07270RL, and RMCF0805FT270R all feature tighter ±1% tolerance while maintaining identical resistance value, power rating, package type, temperature coefficient, and operating temperature range. These parts provide enhanced precision for applications requiring tighter component tolerances. Several upgrade options include Automotive AEC-Q200 certification for automotive-grade reliability.
Similar Parts (Different Power Rating or Tolerance): AC0805JR-07270RL matches the ±5% tolerance with added Automotive AEC-Q200 certification. CRCW0805270RFKEA provides ±1% tolerance with AEC-Q200 rating. CRCW0805270RFKEAHP differs in power rating (0.5W instead of 0.125W) while maintaining 0805 package and ±1% tolerance with pulse withstanding capability.
Substitution logic is based strictly on: resistance value (270 Ohms), package format (0805), physical dimensions, termination count (2), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Height Max | Features | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|
| RC2012J271CS | Samsung Electro-Mechanics | 270Ω | ±5% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.026" | Moisture Resistant | ROHS3 |
| RC0805JR-07270RL | YAGEO | 270Ω | ±5% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.024" | Moisture Resistant | ROHS3 |
| AC0805FR-07270RL | YAGEO | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.024" | Automotive AEC-Q200, Moisture Resistant | ROHS3 |
| CRG0805F270R | TE Connectivity Passive Product | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.026" | Thick Film | ROHS3 |
| ERJ-6ENF2700V | Panasonic Electronic Components | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.028" | Automotive AEC-Q200 | ROHS3 |
| KTR10EZPF2700 | Rohm Semiconductor | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.026" | Automotive AEC-Q200, High Voltage | ROHS3 |
| RC0805FR-07270RL | YAGEO | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.024" | Moisture Resistant | ROHS3 |
| RMCF0805FT270R | Stackpole Electronics Inc | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.026" | Automotive AEC-Q200 | ROHS3 |
| AC0805JR-07270RL | YAGEO | 270Ω | ±5% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.024" | Automotive AEC-Q200, Moisture Resistant | ROHS3 |
| CRCW0805270RFKEA | Vishay Dale | 270Ω | ±1% | 0.125 | 0805 | ±100ppm/°C | -55 to 155°C | 0.020" | Automotive AEC-Q200 | ROHS3 |
| CRCW0805270RFKEAHP | Vishay Dale | 270Ω | ±1% | 0.5 | 0805 | ±100ppm/°C | -55 to 155°C | 0.020" | Automotive AEC-Q200, Pulse Withstanding | ROHS3 |
Engineering Selection Recommendations
For Direct Replacement (No Circuit Redesign): RC0805JR-07270RL (YAGEO) provides identical electrical performance with ±5% tolerance matching the original RC2012J271CS specification. This part maintains equivalent moisture resistance and ROHS3 compliance. Selection is appropriate when tolerance grade and performance characteristics must remain unchanged.
For Tolerance Upgrade Applications: AC0805FR-07270RL, RC0805FR-07270RL, CRG0805F270R, ERJ-6ENF2700V, KTR10EZPF2700, and RMCF0805FT270R all provide ±1% tolerance improvement over the original ±5% specification while maintaining identical 270 Ohm resistance, 0.125W power rating, 0805 package, and operating temperature range. These parts are suitable for circuits requiring enhanced precision without physical or thermal redesign.
For Automotive Applications: AC0805FR-07270RL, ERJ-6ENF2700V, KTR10EZPF2700, RMCF0805FT270R, AC0805JR-07270RL, and CRCW0805270RFKEA include Automotive AEC-Q200 certification. These parts meet automotive-grade reliability standards while maintaining compatibility with the original 0805 package format and operating specifications.
For High-Voltage Applications: KTR10EZPF2700 (Rohm Semiconductor) includes high-voltage capability in addition to Automotive AEC-Q200 certification and ±1% tolerance.
For Pulse-Withstanding Applications: CRCW0805270RFKEAHP (Vishay Dale) provides pulse withstanding capability with 0.5W power rating (4x the original 0.125W) while maintaining 0805 package format and ±1% tolerance. This part is suitable only for applications where increased power dissipation capacity is required.
All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited moisture sensitivity), and identical operating temperature range (-55°C to 155°C).
Frequently Asked Questions (FAQ)
Q: Can RC0805JR-07270RL replace RC2012J271CS in any application? A: Yes. RC0805JR-07270RL (YAGEO) is a direct equivalent with identical resistance (270Ω), tolerance (±5%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both parts feature moisture resistance and ROHS3 compliance.
Q: What is the difference between the ±5% tolerance original part and the ±1% tolerance upgrade options? A: The original RC2012J271CS specifies ±5% tolerance, meaning the actual resistance can vary between 256.5Ω and 283.5Ω. Upgrade parts with ±1% tolerance (such as RC0805FR-07270RL, AC0805FR-07270RL, and others) restrict variation to 267.3Ω to 272.7Ω, providing tighter component matching for precision circuits. All other electrical and mechanical parameters remain identical.
Q: Are all substitute parts available in the same 0805 package? A: Yes. All listed substitute parts use the 0805 (2012 Metric) package format with identical physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and two terminations. Height variations range from 0.020" to 0.028" maximum seated height, which is within standard PCB assembly tolerances.
Q: Which substitute parts are suitable for automotive applications? A: AC0805FR-07270RL, ERJ-6ENF2700V, KTR10EZPF2700, RMCF0805FT270R, AC0805JR-07270RL, and CRCW0805270RFKEA all include Automotive AEC-Q200 certification. These parts meet automotive-grade reliability and qualification standards.
Q: Can CRCW0805270RFKEAHP be used as a direct substitute? A: CRCW0805270RFKEAHP differs in power rating (0.5W versus 0.125W original specification). This part is suitable only for applications where increased power dissipation is required or beneficial. It maintains identical resistance value, ±1% tolerance, 0805 package, and operating temperature range.
Q: What does MSL Level 1 (Unlimited) mean for these resistors? A: MSL Level 1 indicates unlimited shelf life without moisture baking requirements. All listed parts, including the original RC2012J271CS, have MSL Level 1 rating, meaning they can be stored indefinitely without special moisture control procedures.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the environmental and regulatory status of the original RC2012J271CS.
Q: What is the temperature coefficient specification and why does it matter? A: All parts specify ±100ppm/°C temperature coefficient, meaning resistance changes approximately 0.01% per degree Celsius change in operating temperature. This specification is identical across all substitute options and determines thermal stability in temperature-sensitive applications.
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