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RC6432F510CS Equivalent & Substitute Parts Reference
Part Overview
The RC6432F510CS is a 51 Ohm ±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 844 pieces currently in stock. The part is ROHS3 compliant with moisture sensitivity level 1 (unlimited) and operates across the temperature range of -55°C to 155°C.
Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, physical dimensions). Alternative sources are necessary to ensure supply chain continuity, optimize inventory management, and accommodate specific application requirements such as automotive qualification or enhanced power ratings.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 51 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 |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RC6432F510CS are classified into three categories based on electrical and mechanical compatibility:
Direct Substitutes maintain identical electrical specifications (51 Ohms, ±1%, 1W) and mechanical package (2512/6432 Metric) with equivalent performance characteristics. These parts are interchangeable without circuit redesign.
Upgrade Substitutes provide enhanced specifications while maintaining the same resistance, tolerance, and package footprint. These include higher power ratings (2W) or automotive-grade qualifications (AEC-Q200), offering improved performance margins or compliance for specific applications.
Similar Substitutes match core electrical parameters and package size but may include automotive qualification or represent product lines in active status versus legacy status. These require verification of application-specific requirements before implementation.
The critical parameters determining substitutability are:
- Resistance value: 51 Ohms (exact match required)
- Tolerance: ±1% (exact match required)
- Package: 2512 (6432 Metric) (exact match required)
- Power rating: 1W minimum (equal or higher acceptable)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature: -55°C ~ 155°C (exact match or wider range acceptable)
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Product Status | Packaging Type | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| RC6432F510CS | Samsung Electro-Mechanics | 51 Ω | ±1% | 1 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Active | - | 844 |
| RC2512FK-0751RL | YAGEO | 51 Ω | ±1% | 1 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Active | Tape & Reel | 12100 |
| AC2512FK-0751RL | YAGEO | 51 Ω | ±1% | 1 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Active | Tape & Reel | 15766 |
| RHC2512FT51R0 | Stackpole Electronics Inc | 51 Ω | ±1% | 2 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Active | Tape & Reel | 8117 |
| CRCW251251R0FKEG | Vishay Dale | 51 Ω | ±1% | 1 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Active | Cut Tape & Digi-Reel | 24110 |
| ERJ-1TNF51R0U | Panasonic Electronic Components | 51 Ω | ±1% | 1 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Not For New Designs | Tape & Reel | 14856 |
| RMCF2512FT51R0 | Stackpole Electronics Inc | 51 Ω | ±1% | 1 | 2512 | ±100ppm/°C | -55°C ~ 155°C | Active | Tape & Reel | 20593 |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications): RC2512FK-0751RL (YAGEO) and RMCF2512FT51R0 (Stackpole Electronics Inc) are direct substitutes with Active product status. Both maintain 1W power rating, ±1% tolerance, and identical operating temperature range. RC2512FK-0751RL offers higher inventory availability (12100 pcs) in standard Tape & Reel packaging. RMCF2512FT51R0 provides the highest inventory level (20593 pcs) and includes automotive AEC-Q200 qualification for applications requiring automotive-grade components.
For Automotive Applications: AC2512FK-0751RL (YAGEO), CRCW251251R0FKEG (Vishay Dale), and RMCF2512FT51R0 (Stackpole Electronics Inc) are qualified to AEC-Q200 automotive standard. These parts are suitable for automotive circuit applications requiring compliance certification. AC2512FK-0751RL and CRCW251251R0FKEG maintain 1W rating with Active product status. CRCW251251R0FKEG offers the highest inventory (24110 pcs).
For Enhanced Power Margin: RHC2512FT51R0 (Stackpole Electronics Inc) provides 2W power rating while maintaining all other electrical specifications. This upgrade is applicable when circuit design requires additional thermal headroom or higher power dissipation capability within the same package footprint.
Parts to Avoid for New Designs: ERJ-1TNF51R0U (Panasonic Electronic Components) carries "Not For New Designs" product status and should not be selected for new circuit development, despite meeting electrical and mechanical specifications.
Frequently Asked Questions (FAQ)
Q: Can RC2512FK-0751RL replace RC6432F510CS directly in existing circuits? A: Yes. RC2512FK-0751RL matches all critical electrical parameters (51 Ohms, ±1%, 1W) and mechanical specifications (2512 package, 2 terminations). The part is Active status and ROHS3 compliant. Physical dimensions are within acceptable tolerance (6.35mm L x 3.10mm W versus 6.30mm L x 3.20mm W).
Q: What is the difference between RC2512FK-0751RL and AC2512FK-0751RL? A: Both are YAGEO 51 Ohm 1W 2512 resistors with identical electrical specifications. AC2512FK-0751RL includes automotive AEC-Q200 qualification and is designated for automotive applications. RC2512FK-0751RL is the standard industrial-grade equivalent. Selection depends on application requirements.
Q: Why would I select RHC2512FT51R0 over the 1W alternatives? A: RHC2512FT51R0 provides 2W power rating in the same 2512 package footprint. This upgrade is selected when circuit analysis indicates higher power dissipation than the 1W rating allows, or when design margin improvement is required without changing PCB layout.
Q: Is ERJ-1TNF51R0U suitable for new product development? A: No. ERJ-1TNF51R0U carries "Not For New Designs" product status. This designation indicates the manufacturer recommends against using this part in new circuit designs. Existing inventory may be used for legacy product support only.
Q: What packaging options are available for these substitutes? A: RC2512FK-0751RL, AC2512FK-0751RL, RHC2512FT51R0, ERJ-1TNF51R0U, and RMCF2512FT51R0 are supplied in Tape & Reel (TR) packaging. CRCW251251R0FKEG is available in Cut Tape (CT) & Digi-Reel® packaging. Packaging selection affects handling, storage, and automated assembly compatibility.
Q: Are all these parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). All parts are REACH Unaffected and classified under ECCN EAR99.
Q: Can I use CRCW251251R0FKEG as a direct substitute? A: Yes. CRCW251251R0FKEG (Vishay Dale) matches all electrical specifications and maintains the 2512 package. It includes AEC-Q200 automotive qualification. The part is Active status with high inventory availability (24110 pcs).
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