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RC6432F203CS Equivalent & Substitute Parts Reference
Part Overview
The RC6432F203CS is a 20 kOhms ±1% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Substitute parts are identified when electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical parameters (package type, case dimensions, termination count) align with the main part, enabling direct functional replacement in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 20 kOhms |
| Tolerance | ±1% |
| Power Rating | 1W |
| Composition | Thick Film |
| Package / Case | 2512 (6432 Metric) |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitute parts for the RC6432F203CS are classified based on strict electrical and mechanical parameter alignment. All substitute candidates must satisfy the following criteria:
Core Substitution Parameters:
- Resistance: 20 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power Rating: 1W minimum (equal or higher acceptable)
- Package / Case: 2512 (6432 Metric) (exact match required)
- Temperature Coefficient: ±100ppm/°C (exact match required)
- Operating Temperature Range: -55°C ~ 155°C (exact match required)
- Composition: Thick Film (exact match required)
- Number of Terminations: 2 (exact match required)
- RoHS Status: ROHS3 Compliant (exact match required)
- Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
Substitutes are grouped into three categories: Direct Manufacturer (same series, same specifications), Upgrade (enhanced features such as AEC-Q200 automotive qualification), and Similar (alternative manufacturers meeting all core parameters).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Composition | Features | Product Status | RoHS | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RC6432F203CS | Samsung Electro-Mechanics | 20 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Moisture Resistant | Active | ROHS3 | 1 |
| RC2512FK-0720KL | YAGEO | 20 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Moisture Resistant | Active | ROHS3 | 1 |
| AC2512FK-0720KL | YAGEO | 20 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Automotive AEC-Q200, Moisture Resistant | Active | ROHS3 | 1 |
| CRCW251220K0FKEG | Vishay Dale | 20 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Automotive AEC-Q200 | Active | ROHS3 | 1 |
| CRCW251220K0FKEGHP | Vishay Dale | 20 kΩ | ±1% | 1.5 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Automotive AEC-Q200, Pulse Withstanding | Active | ROHS3 | 1 |
| ERJ-1TNF2002U | Panasonic Electronic Components | 20 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Automotive AEC-Q200 | Not For New Designs | ROHS3 | 1 |
| RMCF2512FT20K0 | Stackpole Electronics Inc | 20 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55~155°C | Thick Film | Automotive AEC-Q200 | Active | ROHS3 | 1 |
Engineering Selection Recommendations
Direct Replacement (Equivalent Function): RC2512FK-0720KL (YAGEO) provides direct functional equivalence to RC6432F203CS with identical electrical and mechanical specifications. Both components are Active product status and suitable for new designs.
Upgrade Selection (Enhanced Reliability): AC2512FK-0720KL (YAGEO), CRCW251220K0FKEG (Vishay Dale), and RMCF2512FT20K0 (Stackpole Electronics Inc) incorporate Automotive AEC-Q200 qualification, providing enhanced reliability for automotive and industrial applications while maintaining all core electrical parameters.
Higher Power Capability: CRCW251220K0FKEGHP (Vishay Dale) offers 1.5W power rating with pulse withstanding capability, suitable for applications requiring higher transient energy dissipation. This part maintains all other electrical specifications and is Active product status.
Legacy Consideration: ERJ-1TNF2002U (Panasonic Electronic Components) meets all electrical and mechanical requirements but carries "Not For New Designs" product status. This part is suitable only for replacement in existing designs or legacy system maintenance.
Frequently Asked Questions (FAQ)
Q: Can RC2512FK-0720KL replace RC6432F203CS directly? A: Yes. RC2512FK-0720KL matches all core electrical parameters (20 kΩ, ±1%, 1W, ±100ppm/°C, -55°C ~ 155°C) and mechanical specifications (2512 package, 2 terminations, MSL 1). Both are Active product status and ROHS3 compliant.
Q: What is the difference between RC2512FK-0720KL and AC2512FK-0720KL? A: AC2512FK-0720KL includes Automotive AEC-Q200 qualification, indicating compliance with automotive reliability standards. Electrical and mechanical specifications are identical. AC2512FK-0720KL is recommended for automotive applications.
Q: Why is CRCW251220K0FKEGHP rated at 1.5W instead of 1W? A: CRCW251220K0FKEGHP is a higher power variant with pulse withstanding capability. The 1.5W rating provides additional thermal margin and transient energy handling. It remains functionally compatible with 1W circuit requirements.
Q: Can ERJ-1TNF2002U be used in new product designs? A: ERJ-1TNF2002U carries "Not For New Designs" product status. It is suitable only for replacement in existing systems or legacy applications. For new designs, select from Active status alternatives: RC2512FK-0720KL, AC2512FK-0720KL, CRCW251220K0FKEG, CRCW251220K0FKEGHP, or RMCF2512FT20K0.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of RC6432F203CS.
Q: What packaging options are available for these substitutes? A: RC6432F203CS is supplied in standard packaging. RC2512FK-0720KL is available in Tape & Reel (TR). CRCW251220K0FKEG is available in Cut Tape (CT) & Digi-Reel®. CRCW251220K0FKEGHP, ERJ-1TNF2002U, and RMCF2512FT20K0 are available in Tape & Reel (TR). Packaging selection depends on assembly process requirements.
Q: Do all substitutes operate across the same temperature range? A: Yes. All substitute parts operate across -55°C ~ 155°C, matching RC6432F203CS specifications.
Q: Which substitute offers the best availability? A: CRCW251220K0FKEG (Vishay Dale) has the highest inventory at 18,317 pieces. RMCF2512FT20K0 (Stackpole Electronics Inc) has 6,542 pieces. AC2512FK-0720KL (YAGEO) has 8,373 pieces. Inventory levels are subject to change.
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