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RC6432J473CS 47kΩ 1W 2512 Chip Resistor Equivalent & Substitute Parts
Part Overview
The RC6432J473CS is a 47 kOhms ±5% 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 equivalent electrical specifications and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design requirement changes such as tolerance upgrades or power rating increases.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 47 kOhms | Core electrical specification |
| Tolerance | ±5% | Accuracy classification |
| Power Rating | 1W | Thermal dissipation capability |
| Package Type | 2512 (6432 Metric) | Physical form factor and footprint |
| Composition | Thick Film | Manufacturing technology |
| Temperature Coefficient | ±100ppm/°C | Stability over temperature range |
| Operating Temperature Range | -55°C to 155°C | Environmental operating limits |
| Moisture Resistance | Yes | Environmental protection feature |
| RoHS Status | ROHS3 Compliant | Regulatory compliance |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | Handling and storage requirements |
Substitute Part Grouping Explanation
Substitute parts for the RC6432J473CS are classified based on strict adherence to the following substitution criteria:
Direct Substitutes (Functionally Equivalent): Parts maintaining identical resistance value (47 kOhms), tolerance (±5%), power rating (1W), package type (2512), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and moisture resistance. These parts are interchangeable without circuit redesign.
Upgrade Substitutes (Enhanced Specifications): Parts with identical resistance value, package type, and operating temperature range, but with improved tolerance (±1% instead of ±5%) and/or increased power rating (2W instead of 1W). These parts exceed original specifications and are suitable for applications requiring tighter tolerance or higher thermal dissipation.
Similar Substitutes (Automotive/Specialized Variants): Parts matching core electrical parameters (47 kOhms, 1W or 2W, 2512 package) with additional certifications such as AEC-Q200 automotive qualification or specialized features such as current sense capability. These parts are suitable for applications with specific industry requirements.
Discontinued/Legacy Status: Parts with equivalent specifications but marked as "Not For New Designs" are identified for reference only in legacy system maintenance scenarios.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Moisture Resistant | RoHS3 | Product Status | Special Features |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC6432J473CS | Samsung Electro-Mechanics | 47 kΩ | ±5% | 1 | 2512 | ±100ppm/°C | -55 to 155°C | Yes | Yes | Active | None |
| RC2512JK-0747KL | YAGEO | 47 kΩ | ±5% | 1 | 2512 | ±100ppm/°C | -55 to 155°C | Yes | Yes | Active | None |
| RC2512FK-0747KL | YAGEO | 47 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55 to 155°C | Yes | Yes | Active | Upgrade tolerance |
| AC2512FK-0747KL | YAGEO | 47 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55 to 155°C | Yes | Yes | Active | AEC-Q200 automotive |
| RHC2512FT47K0 | Stackpole Electronics Inc | 47 kΩ | ±1% | 2 | 2512 | ±100ppm/°C | -55 to 155°C | Yes | Yes | Active | Upgrade power rating |
| CRCW251247K0FKEG | Vishay Dale | 47 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55 to 155°C | No | Yes | Active | AEC-Q200 automotive |
| CRM2512-FX-4702ELF | Bourns Inc. | 47 kΩ | ±1% | 2 | 2512 | ±100ppm/°C | -55 to 155°C | No | Yes | Active | Current sense capability |
| ERJ-1TNF4702U | Panasonic Electronic Components | 47 kΩ | ±1% | 1 | 2512 | ±100ppm/°C | -55 to 155°C | No | Yes | Not For New Designs | AEC-Q200 automotive |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications): RC2512JK-0747KL (YAGEO) is the primary direct substitute. This part maintains all electrical and mechanical parameters of the RC6432J473CS with identical tolerance (±5%), power rating (1W), and moisture resistance. Product status is Active. Selection is appropriate for applications where specification equivalence is the sole requirement.
For Tolerance-Critical Applications: RC2512FK-0747KL (YAGEO) or AC2512FK-0747KL (YAGEO) provide ±1% tolerance upgrade while maintaining 1W power rating and 2512 package compatibility. AC2512FK-0747KL includes AEC-Q200 automotive certification. Both parts are Active status. Selection is appropriate when circuit design requires tighter resistance accuracy than ±5%.
For Thermal Margin Applications: RHC2512FT47K0 (Stackpole Electronics Inc) provides 2W power rating upgrade with ±1% tolerance in identical 2512 package. Product status is Active. Selection is appropriate when thermal dissipation requirements exceed 1W or when tolerance improvement is concurrent with power rating increase.
For Automotive Applications: AC2512FK-0747KL (YAGEO) or CRCW251247K0FKEG (Vishay Dale) provide AEC-Q200 automotive qualification. Both maintain 47 kΩ resistance and 2512 package with ±1% tolerance and 1W power rating. Product status is Active for both. Selection is appropriate for automotive-grade circuit requirements.
For Current Sense Applications: CRM2512-FX-4702ELF (Bourns Inc.) provides current sense capability with 2W power rating, ±1% tolerance, and 2512 package. Product status is Active. Selection is appropriate for precision current measurement circuits.
Legacy System Maintenance Only: ERJ-1TNF4702U (Panasonic Electronic Components) is marked "Not For New Designs" and is identified for reference in legacy system repair scenarios only. This part provides AEC-Q200 automotive qualification with ±1% tolerance and 1W power rating in 2512 package.
Frequently Asked Questions (FAQ)
Q: Can RC2512JK-0747KL directly replace RC6432J473CS without circuit modification?
A: Yes. RC2512JK-0747KL maintains identical electrical specifications (47 kΩ ±5%, 1W) and mechanical compatibility (2512 package). No circuit redesign is required. Both parts are Active status with ROHS3 compliance and moisture resistance.
Q: What is the difference between RC2512FK-0747KL and RC2512JK-0747KL?
A: RC2512FK-0747KL provides ±1% tolerance compared to ±5% tolerance in RC2512JK-0747KL. Both maintain 1W power rating and 2512 package. RC2512FK-0747KL is an upgrade substitute suitable for applications requiring tighter resistance accuracy.
Q: Is AC2512FK-0747KL suitable for non-automotive applications?
A: Yes. AC2512FK-0747KL meets all electrical and mechanical requirements for general-purpose applications. The AEC-Q200 automotive certification is an additional qualification that does not restrict use in non-automotive circuits. This part provides ±1% tolerance and 1W power rating in 2512 package.
Q: Can RHC2512FT47K0 be used in place of RC6432J473CS?
A: Yes, with design consideration. RHC2512FT47K0 provides 2W power rating (exceeding 1W requirement) and ±1% tolerance (exceeding ±5% requirement) in identical 2512 package. Physical dimensions are compatible. This is an upgrade substitute suitable when higher thermal margin or tolerance improvement is beneficial.
Q: What does "Not For New Designs" mean for ERJ-1TNF4702U?
A: This designation indicates the part is in legacy/discontinued status. ERJ-1TNF4702U is available for existing inventory and repair of legacy systems but should not be selected for new circuit designs. Active alternatives such as AC2512FK-0747KL or CRCW251247K0FKEG are recommended for new designs.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance matching the RC6432J473CS specification. All parts are suitable for applications with ROHS3 regulatory requirements.
Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity level?
A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts maintain MSL 1 classification, ensuring compatibility with standard component storage and assembly processes.
Q: Can CRM2512-FX-4702ELF be used for general-purpose applications?
A: Yes. CRM2512-FX-4702ELF meets all electrical and mechanical requirements for general-purpose applications. The current sense feature is a specialized capability that does not restrict general-purpose use. This part provides 2W power rating and ±1% tolerance in 2512 package.
Q: What packaging formats are available for substitute parts?
A: Substitute parts are available in Cut Tape (CT), Digi-Reel, and Tape & Reel (TR) formats. RC2512JK-0747KL is available in Cut Tape and Digi-Reel. All other substitutes are available in Tape & Reel format. Packaging selection depends on assembly process requirements and order quantity.
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