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RCS2012F822CS Equivalent & Substitute Parts
Part Overview
The RCS2012F822CS is an 8.2 kOhms ±1% 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 anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across the temperature range of -55°C to 155°C. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature enhancements while maintaining core electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 8.2 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 to 155°C |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RCS2012F822CS are grouped based on strict electrical and mechanical parameter alignment. The primary substitution criteria are:
Core Compatibility Parameters:
- Resistance value: 8.2 kOhms
- Package format: 0805 (2012 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C to 155°C
- Number of terminations: 2
- RoHS3 compliance and MSL 1 rating
Substitution Categories:
Category 1: Direct Equivalents (Identical Electrical Specifications) Parts with 8.2 kOhms ±1% tolerance and 0.125W (1/8W) power rating in 0805 package. These provide one-to-one functional replacement with no derating considerations.
Category 2: Enhanced Tolerance Variants (Tighter Tolerance) Parts with 8.2 kOhms ±0.5% tolerance and 0.5W (1/2W) power rating. These offer improved tolerance performance and higher power handling capability while maintaining 0805 package compatibility.
Category 3: Enhanced Power Rating Variants (Higher Power Capacity) Parts with 8.2 kOhms ±1% tolerance and 0.5W (1/2W) power rating. These provide increased thermal headroom and pulse withstanding capability in the same 0805 footprint.
All substitute parts maintain ROHS3 compliance, MSL 1 rating, and the -55°C to 155°C operating temperature range specified for the main part.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Package | Temp Coeff | Op. Temp Range | Features | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| RCS2012F822CS | Samsung Electro-Mechanics | 8.2 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Anti-Sulfur, Moisture Resistant | ROHS3 | 1 |
| AC0805FR-078K2L | YAGEO | 8.2 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Moisture Resistant | ROHS3 | 1 |
| CRCW08058K20FKEA | Vishay Dale | 8.2 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | ROHS3 | 1 |
| CRCW08058K20FKEAHP | Vishay Dale | 8.2 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Pulse Withstanding | ROHS3 | 1 |
| ERJ-6ENF8201V | Panasonic Electronic Components | 8.2 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | ROHS3 | 1 |
| ERJ-P06D8201V | Panasonic Electronic Components | 8.2 kOhms | ±0.5% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Pulse Withstanding | ROHS3 | 1 |
| ERJ-UP6F8201V | Panasonic Electronic Components | 8.2 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding | ROHS3 | 1 |
| RC0805FR-078K2L | YAGEO | 8.2 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | ROHS3 | 1 |
| RCS08058K20FKEA | Vishay Dale | 8.2 kOhms | ±1% | 0.5W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Pulse Withstanding | ROHS3 | 1 |
| RMCF0805FT8K20 | Stackpole Electronics Inc | 8.2 kOhms | ±1% | 0.125W | 0805 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | ROHS3 | 1 |
Engineering Selection Recommendations
Direct Replacement (0.125W, ±1% Tolerance):
AC0805FR-078K2L, ERJ-6ENF8201V, RC0805FR-078K2L, and RMCF0805FT8K20 are direct electrical and mechanical equivalents to the RCS2012F822CS. All parts maintain identical resistance, tolerance, power rating, and package specifications. AC0805FR-078K2L, ERJ-6ENF8201V, and RMCF0805FT8K20 include Automotive AEC-Q200 certification, providing enhanced reliability qualification for automotive applications. RC0805FR-078K2L does not carry AEC-Q200 certification but maintains moisture-resistant characteristics. Selection among these direct equivalents depends on supply availability, packaging format preference (Cut Tape vs. Tape & Reel), and application-specific certification requirements.
Enhanced Power Rating Selection (0.5W, ±1% Tolerance):
CRCW08058K20FKEAHP, ERJ-UP6F8201V, and RCS08058K20FKEA provide increased power dissipation capability at 0.5W (1/2W) while maintaining ±1% tolerance. These parts are suitable for applications requiring higher thermal headroom or pulse withstanding performance. CRCW08058K20FKEAHP and RCS08058K20FKEA carry Automotive AEC-Q200 certification. ERJ-UP6F8201V includes both anti-sulfur and AEC-Q200 features, matching the environmental protection characteristics of the main part while providing enhanced power handling.
Enhanced Tolerance Selection (0.5W, ±0.5% Tolerance):
ERJ-P06D8201V offers tighter tolerance specification at ±0.5% with 0.5W power rating. This part is suitable for precision circuit applications requiring improved resistance accuracy and higher power dissipation. Automotive AEC-Q200 certification and pulse withstanding capability are included.
All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and environmental regulations.
Frequently Asked Questions (FAQ)
Q: Can AC0805FR-078K2L be used as a direct replacement for RCS2012F822CS?
A: Yes. AC0805FR-078K2L is a direct electrical and mechanical equivalent with identical 8.2 kOhms ±1% resistance, 0.125W power rating, and 0805 package format. Both parts operate across -55°C to 155°C with ±100ppm/°C temperature coefficient and ROHS3 compliance. The primary difference is packaging format: AC0805FR-078K2L is supplied in Cut Tape & Digi-Reel format, while RCS2012F822CS is supplied in Tape & Reel format.
Q: What is the difference between 0.125W and 0.5W power ratings?
A: Power rating indicates the maximum continuous power dissipation capability of the resistor. A 0.5W resistor can dissipate four times more power than a 0.125W resistor in the same 0805 package footprint. Selection of higher power rating provides thermal margin for applications with higher current flow or pulse conditions. The 0805 package dimensions remain identical; only the internal thick film composition differs to support higher power handling.
Q: Are all substitute parts automotive-qualified?
A: Not all. AC0805FR-078K2L, CRCW08058K20FKEA, CRCW08058K20FKEAHP, ERJ-6ENF8201V, ERJ-P06D8201V, ERJ-UP6F8201V, RCS08058K20FKEA, and RMCF0805FT8K20 carry Automotive AEC-Q200 certification. RC0805FR-078K2L does not include AEC-Q200 certification. The main part RCS2012F822CS does not specify AEC-Q200 certification. Selection of AEC-Q200 qualified parts is required for automotive applications.
Q: What does ±0.5% tolerance mean compared to ±1%?
A: Tolerance specifies the allowable deviation from the nominal resistance value. ±1% tolerance means the actual resistance can vary ±1% from 8.2 kOhms (range: 8.118 kOhms to 8.282 kOhms). ±0.5% tolerance provides tighter control (range: 8.159 kOhms to 8.241 kOhms). ERJ-P06D8201V offers ±0.5% tolerance for applications requiring improved resistance accuracy and tighter circuit performance specifications.
Q: Can I substitute a 0.5W part for a 0.125W part in the same circuit?
A: Yes, from a thermal and electrical standpoint. A 0.5W resistor can safely operate in any circuit designed for a 0.125W resistor because it has greater power dissipation capability. The 0805 package dimensions are identical, ensuring PCB footprint compatibility. However, verify that the circuit design does not depend on specific thermal characteristics or power dissipation behavior of the original 0.125W part.
Q: What is MSL 1 and why is it important?
A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life and no moisture bake-out requirement before soldering. All listed parts maintain MSL 1 rating, ensuring compatibility with standard PCB assembly processes without special handling or pre-soldering bake procedures.
Q: Are all parts ROHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the environmental and regulatory compliance status of the main part RCS2012F822CS. ROHS3 compliance ensures restriction of hazardous substances in accordance with current regulatory requirements.
Q: What is the significance of anti-sulfur and moisture-resistant features?
A: Anti-sulfur protection prevents corrosion and degradation of resistor terminations and internal thick film composition when exposed to sulfur-containing environments. Moisture-resistant characteristics protect against performance degradation in high-humidity conditions. RCS2012F822CS includes both features. ERJ-UP6F8201V also includes anti-sulfur protection, providing equivalent environmental protection with enhanced power rating and tighter tolerance options.
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