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RC2012F4872CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012F4872CS is a 48.7 kOhms ±1% 0.125W chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film resistor features moisture resistance and operates across -55°C to 155°C. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative qualified sources meeting identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 48.7 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 |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| Packaging | Tape & Reel (TR) |
Substitute Part Grouping Explanation
Substitution of the RC2012F4872CS is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match identically for direct substitution:
- Resistance value: 48.7 kOhms
- Tolerance: ±1%
- Power rating: 0.125W (1/8W)
- Package: 0805 (2012 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Number of terminations: 2
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity level: 1 (Unlimited)
All identified substitute parts meet these criteria. Physical dimensions (length, width, height) remain within acceptable tolerances for PCB assembly compatibility. Packaging format (Tape & Reel) is consistent across all alternatives.
Parameter Comparison
| Parameter | RC2012F4872CS (Samsung) | RC0805FR-0748K7L (YAGEO) | CRCW080548K7FKEA (Vishay Dale) | ERJ-6ENF4872V (Panasonic) |
|---|---|---|---|---|
| Resistance | 48.7 kOhms | 48.7 kOhms | 48.7 kOhms | 48.7 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W | 0.125W | 0.125W | 0.125W |
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±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 |
| Terminations | 2 | 2 | 2 | 2 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Packaging Format | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.024" (0.60mm) | 0.020" (0.50mm) | 0.028" (0.70mm) |
| Product Status | Active | Active | Active | Active |
Engineering Selection Recommendations
All three substitute parts are functionally equivalent to the RC2012F4872CS based on electrical specifications and compliance certifications. Selection among alternatives is determined by application requirements and supply availability:
RC0805FR-0748K7L (YAGEO): Direct equivalent with moisture-resistant thick film composition. Lowest seated height (0.60mm) provides optimal clearance for high-density PCB layouts. ROHS3 compliant with MSL 1 rating.
CRCW080548K7FKEA (Vishay Dale): Automotive-grade AEC-Q200 rated component. Lowest seated height (0.50mm) among all options. Suitable for applications requiring automotive qualification. ROHS3 compliant with MSL 1 rating.
ERJ-6ENF4872V (Panasonic): Automotive-grade AEC-Q200 rated component. Highest seated height (0.70mm). Suitable for applications requiring automotive qualification. ROHS3 compliant with MSL 1 rating.
All parts maintain identical electrical performance across the specified operating temperature range and meet REACH compliance requirements.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-0748K7L replace RC2012F4872CS in all applications?
A: Yes. Both parts share identical resistance value (48.7 kOhms), tolerance (±1%), power rating (0.125W), package (0805), composition (thick film), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). Physical height difference (0.60mm vs 0.66mm) is within acceptable PCB assembly tolerances.
Q: What is the difference between CRCW080548K7FKEA and ERJ-6ENF4872V?
A: Both are automotive AEC-Q200 rated equivalents with identical electrical specifications. Primary difference is seated height: CRCW080548K7FKEA measures 0.50mm while ERJ-6ENF4872V measures 0.70mm. Selection depends on PCB clearance requirements.
Q: Are automotive-rated parts (Vishay, Panasonic) suitable for non-automotive applications?
A: Yes. Automotive AEC-Q200 qualification represents additional quality assurance and reliability testing. These parts meet or exceed specifications for general industrial and consumer applications.
Q: Does package format (Tape & Reel) affect substitution compatibility?
A: No. All parts use identical Tape & Reel (TR) packaging format, ensuring compatibility with standard pick-and-place assembly equipment and handling procedures.
Q: Are there moisture sensitivity concerns with these substitutes?
A: No. All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. Standard storage and handling procedures apply.
Q: Can these parts be used interchangeably on existing PCBs?
A: Yes. Identical 0805 package dimensions and two-terminal configuration ensure direct PCB footprint compatibility. Seated height variations (0.50mm to 0.70mm) remain within standard PCB assembly tolerances.
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