Request Quote
(Ships tomorrow)
RC6432F3090CS Equivalent & Substitute Parts Reference
Part Overview
The RC6432F3090CS is a 309 Ohms ±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 maintains ROHS3 compliance with MSL 1 rating. The part is currently in active production status with 962 units in stock. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific certification requirements such as automotive qualification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 309 Ohms |
| Tolerance | ±1% |
| Power Rating | 1W |
| Package / Case | 2512 (6432 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Resistance | Yes |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RC6432F3090CS is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 309 Ohms
- Tolerance: ±1%
- Power rating: 1W
- Package type: 2512 (6432 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Moisture resistance capability
- RoHS3 compliance
- MSL 1 rating
Acceptable Dimensional Variations: Substitute parts may exhibit minor differences in physical dimensions (length, width, height) within standard manufacturing tolerances for the 2512 package, provided all electrical and environmental specifications remain identical.
Substitution Categories:
Direct Equivalent: RC2512FK-07309RL (YAGEO) — Identical electrical specifications, active production status, standard commercial packaging.
Similar Equivalent with Automotive Certification: ERJ-1TNF3090U (Panasonic Electronic Components) — Meets all electrical and environmental parameters with additional AEC-Q200 automotive qualification; however, product status is "Not For New Designs," limiting applicability to legacy or maintenance applications.
Parameter Comparison
| Parameter | RC6432F3090CS (Samsung) | RC2512FK-07309RL (YAGEO) | ERJ-1TNF3090U (Panasonic) |
|---|---|---|---|
| Resistance | 309 Ohms | 309 Ohms | 309 Ohms |
| Tolerance | ±1% | ±1% | ±1% |
| Power Rating | 1W | 1W | 1W |
| Package | 2512 (6432 Metric) | 2512 (6432 Metric) | 2512 (6432 Metric) |
| Composition | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Moisture Resistant | Yes | Yes | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Not For New Designs |
| Packaging Type | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Current Inventory | 962 Pcs | 9004 Pcs | 5918 Pcs |
Engineering Selection Recommendations
For Active Production Designs: RC2512FK-07309RL (YAGEO) is the primary substitute for RC6432F3090CS. Both components maintain active product status, identical electrical specifications, and full ROHS3 compliance. Selection between Samsung and YAGEO variants depends on supply chain requirements, lead time, and cost considerations. YAGEO inventory (9004 units) exceeds Samsung stock (962 units), providing extended availability.
For Automotive or Legacy Applications: ERJ-1TNF3090U (Panasonic Electronic Components) provides AEC-Q200 automotive qualification in addition to standard commercial specifications. This part is designated "Not For New Designs," restricting use to maintenance, repair, or existing automotive platforms where component qualification has been previously established. The automotive certification does not alter electrical or environmental performance relative to commercial-grade equivalents.
Compliance Considerations: All three parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status. Selection does not introduce regulatory or environmental compliance risks.
Frequently Asked Questions (FAQ)
Q: Can RC2512FK-07309RL replace RC6432F3090CS in all applications?
A: Yes. RC2512FK-07309RL meets all electrical, environmental, and compliance specifications of RC6432F3090CS. Both components are 309 Ohms ±1% 1W thick film resistors in the 2512 package with identical temperature coefficients, operating ranges, and moisture resistance. Physical dimensions vary within standard manufacturing tolerances for the 2512 package and do not affect circuit performance.
Q: What is the significance of ERJ-1TNF3090U being "Not For New Designs"?
A: "Not For New Designs" indicates Panasonic has discontinued active development and recommends against incorporating this part into new product designs. However, the component remains functionally equivalent and suitable for maintenance, repair, or continuation of existing designs where the part has been previously qualified. Inventory availability (5918 units) supports legacy applications.
Q: Are there dimensional differences between these three parts?
A: Minor dimensional variations exist within the 2512 package specification. RC6432F3090CS measures 0.248" L × 0.126" W (6.30mm × 3.20mm) with 0.026" max height. RC2512FK-07309RL measures 0.250" L × 0.122" W (6.35mm × 3.10mm) with 0.026" max height. ERJ-1TNF3090U measures 0.252" L × 0.126" W (6.40mm × 3.20mm) with 0.028" max height. These variations remain within standard 2512 package tolerances and do not affect PCB layout or circuit operation.
Q: Does ERJ-1TNF3090U automotive qualification provide additional performance benefits?
A: AEC-Q200 certification indicates the component meets automotive industry reliability and testing standards. This certification does not alter electrical performance, temperature coefficient, or operating range relative to commercial-grade equivalents. Selection of the automotive-qualified variant depends on application requirements and existing design qualifications, not on superior electrical characteristics.
Q: What packaging formats are available for these substitutes?
A: All three parts are supplied in Tape & Reel (TR) format, standard for automated assembly processes. Packaging format is consistent across RC6432F3090CS, RC2512FK-07309RL, and ERJ-1TNF3090U, eliminating packaging-related compatibility concerns.
Q: Can these parts be intermixed in the same production run?
A: Yes, provided design documentation and supply chain procedures permit multi-source component qualification. All three parts maintain identical electrical specifications, package dimensions within tolerance, and compliance certifications. Intermixing does not introduce electrical or reliability risks when components are sourced from qualified suppliers.
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


