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RC6432F4873CS Equivalent & Substitute Parts Reference
Part Overview
The RC6432F4873CS is a 487 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 1117 units available in stock.
Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component. This reference provides engineering data for component selection in applications requiring 487 kOhm resistive elements with 1W power rating and 2512 package form factor.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 487 kOhms | Primary electrical specification |
| Tolerance | ±1% | Precision requirement |
| Power Rating | 1W | Thermal dissipation capacity |
| Package / Case | 2512 (6432 Metric) | Mechanical compatibility |
| Composition | Thick Film | Technology type |
| Temperature Coefficient | ±100ppm/°C | Stability specification |
| Operating Temperature Range | -55°C ~ 155°C | Environmental limits |
| RoHS Status | ROHS3 Compliant | Regulatory compliance |
| Moisture Sensitivity Level | 1 (Unlimited) | Handling requirement |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict alignment of the following parameters:
Electrical Parameters (Must Match):
- Resistance value: 487 kOhms
- Tolerance: ±1%
- Power rating: 1W
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
Mechanical Parameters (Must Match):
- Package designation: 2512 (6432 Metric)
- Number of terminations: 2
- Composition: Thick Film
Compliance Parameters (Must Match or Exceed):
- RoHS3 compliance
- Moisture Sensitivity Level: 1 (Unlimited)
The identified substitute ERJ-1TNF4873U from Panasonic Electronic Components meets all electrical and mechanical requirements. Dimensional variations within manufacturing tolerances (length 6.40mm vs. 6.30mm, height 0.70mm vs. 0.66mm) remain within acceptable PCB layout margins for 2512 package applications.
Parameter Comparison
| Parameter | RC6432F4873CS (Samsung) | ERJ-1TNF4873U (Panasonic) | Match Status |
|---|---|---|---|
| Resistance | 487 kOhms | 487 kOhms | Exact Match |
| Tolerance | ±1% | ±1% | Exact Match |
| Power Rating | 1W | 1W | Exact Match |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | Exact Match |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | Exact Match |
| Package / Case | 2512 (6432 Metric) | 2512 (6432 Metric) | Exact Match |
| Composition | Thick Film | Thick Film | Exact Match |
| Length | 6.30mm | 6.40mm | Within Tolerance |
| Width | 3.20mm | 3.20mm | Exact Match |
| Height (Seated Max) | 0.66mm | 0.70mm | Within Tolerance |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Exact Match |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | Exact Match |
| Number of Terminations | 2 | 2 | Exact Match |
Engineering Selection Recommendations
RC6432F4873CS (Samsung Electro-Mechanics):
- Active product status supports long-term availability
- Moisture-resistant feature designation
- 1117 units in current inventory
- Suitable for standard industrial and commercial applications
ERJ-1TNF4873U (Panasonic Electronic Components):
- Product status: Not For New Designs
- AEC-Q200 automotive qualification provides enhanced reliability documentation
- 2048 units in current inventory
- Suitable for applications requiring automotive-grade component traceability
- Tape & Reel packaging standard for automated assembly
Selection between these parts depends on application requirements. The Samsung part supports new design implementations. The Panasonic part provides automotive-grade qualification but is designated not for new designs, limiting its use to legacy system maintenance or applications with specific AEC-Q200 requirements.
Frequently Asked Questions (FAQ)
Q: Can ERJ-1TNF4873U replace RC6432F4873CS in new designs?
A: ERJ-1TNF4873U meets all electrical and mechanical specifications for functional equivalence. However, Panasonic designates this part "Not For New Designs," which may conflict with design lifecycle policies. RC6432F4873CS maintains active status and is the preferred choice for new implementations.
Q: Are the dimensional differences between these parts significant?
A: Length differs by 0.10mm (6.40mm vs. 6.30mm) and height by 0.04mm (0.70mm vs. 0.66mm). These variations fall within standard PCB layout tolerances for 2512 package footprints and do not require design modification.
Q: What is the significance of AEC-Q200 qualification on the Panasonic part?
A: AEC-Q200 is an automotive industry standard for passive component reliability. This qualification provides documented stress testing and failure rate data. It is relevant only for applications requiring automotive-grade component traceability.
Q: Do both parts require identical moisture handling procedures?
A: Both parts carry MSL Rating 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling procedures for surface mount components apply equally to both parts.
Q: What packaging formats are available?
A: RC6432F4873CS is supplied in standard packaging format. ERJ-1TNF4873U is supplied in Tape & Reel (TR) format, standard for automated assembly processes.
Q: Are there compliance differences between these parts?
A: Both parts are ROHS3 compliant and REACH unaffected. No regulatory compliance differentiation exists between the two parts.
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