Request Quote
(Ships tomorrow)
RC6432F1782CS Equivalent & Substitute Parts Reference
Part Overview
The RC6432F1782CS is a 17.8 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film resistor is designed for general-purpose applications requiring moisture resistance and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 852 units currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without performance degradation.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Type |
|---|---|---|
| Resistance | 17.8 kOhms | Electrical |
| Tolerance | ±1% | Electrical |
| Power Rating | 1W | Electrical |
| Composition | Thick Film | Physical |
| Temperature Coefficient | ±100ppm/°C | Electrical |
| Operating Temperature Range | -55°C to 155°C | Environmental |
| Package / Case | 2512 (6432 Metric) | Mechanical |
| Moisture Sensitivity Level | 1 (Unlimited) | Environmental |
| RoHS Status | ROHS3 Compliant | Compliance |
Substitute Part Grouping Explanation
Substitute parts for the RC6432F1782CS are qualified based on the following criteria:
Electrical Parameter Alignment:
- Resistance value: 17.8 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 1W (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
Mechanical Parameter Alignment:
- Package designation: 2512 (6432 Metric) (exact match required)
- Physical dimensions compatible with PCB footprints designed for 2512 package
Compliance & Environmental:
- RoHS3 Compliant status (maintained across all substitutes)
- Moisture Sensitivity Level 1 (Unlimited) or equivalent
- REACH Unaffected status
The two identified substitute parts—CRCW251217K8FKEG (Vishay Dale) and RMCF2512FT17K8 (Stackpole Electronics Inc)—meet all electrical, mechanical, and compliance requirements. Both are manufactured to the same 2512 package standard and maintain identical electrical specifications, enabling direct circuit substitution.
Parameter Comparison
| Parameter | RC6432F1782CS (Samsung) | CRCW251217K8FKEG (Vishay Dale) | RMCF2512FT17K8 (Stackpole) |
|---|---|---|---|
| Resistance | 17.8 kOhms | 17.8 kOhms | 17.8 kOhms |
| Tolerance | ±1% | ±1% | ±1% |
| Power Rating | 1W | 1W | 1W |
| Composition | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C |
| Package / Case | 2512 (6432 Metric) | 2512 (6432 Metric) | 2512 (6432 Metric) |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
All three parts—RC6432F1782CS, CRCW251217K8FKEG, and RMCF2512FT17K8—are Active products with full compliance certifications. Selection between these parts is based on availability and supply chain requirements rather than electrical or mechanical performance differences.
RC6432F1782CS (Samsung Electro-Mechanics): Primary choice when Samsung supply is preferred. Moisture-resistant thick film construction. 852 units in current inventory.
CRCW251217K8FKEG (Vishay Dale): Qualified substitute with automotive AEC-Q200 rating. Tape & Reel packaging. 2698 units in current inventory. Dimensions: 0.248" L x 0.124" W (6.30mm x 3.15mm), Height 0.028" (0.70mm).
RMCF2512FT17K8 (Stackpole Electronics Inc): Qualified substitute with automotive AEC-Q200 rating. Tape & Reel packaging. 4967 units in current inventory. Dimensions: 0.248" L x 0.126" W (6.30mm x 3.20mm), Height 0.028" (0.70mm).
All parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring compatibility with modern manufacturing and environmental standards.
Frequently Asked Questions (FAQ)
Q: Can CRCW251217K8FKEG directly replace RC6432F1782CS in existing designs?
A: Yes. Both parts share identical electrical specifications (17.8 kOhms, ±1%, 1W, ±100ppm/°C, -55°C to 155°C operating range) and are packaged in the 2512 (6432 Metric) standard. PCB footprints designed for RC6432F1782CS accommodate CRCW251217K8FKEG without modification.
Q: What is the difference between the Vishay Dale and Stackpole substitutes?
A: Both CRCW251217K8FKEG and RMCF2512FT17K8 meet identical electrical and mechanical specifications. Minor dimensional variations exist: Vishay Dale measures 0.124" W (3.15mm) while Stackpole measures 0.126" W (3.20mm). Both fit standard 2512 footprints. Selection depends on supplier availability and inventory levels.
Q: Are all three parts suitable for automotive applications?
A: RC6432F1782CS carries moisture-resistant thick film construction for general-purpose use. CRCW251217K8FKEG and RMCF2512FT17K8 both carry automotive AEC-Q200 qualification, making them suitable for automotive-grade applications. For automotive designs, Vishay Dale or Stackpole parts are preferred.
Q: Do packaging differences affect substitution?
A: RC6432F1782CS is supplied in standard packaging. CRCW251217K8FKEG and RMCF2512FT17K8 are supplied in Tape & Reel (TR) format. Both packaging types are compatible with automated assembly equipment. No functional differences result from packaging format.
Q: Are all parts RoHS3 compliant?
A: Yes. RC6432F1782CS, CRCW251217K8FKEG, and RMCF2512FT17K8 are all ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.
Q: What is the moisture sensitivity rating, and why does it matter?
A: All three parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture-related storage or handling restrictions. This simplifies inventory management and eliminates the need for specialized dry-pack storage or baking procedures prior to assembly.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts


