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RC2012F3651CS Equivalent & Substitute Parts Reference
Part Overview
The RC2012F3651CS is a 3.65 kOhms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) surface mount package. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative sourcing from qualified manufacturers while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 3.65 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RC2012F3651CS is determined by strict equivalence across the following critical parameters: resistance value (3.65 kOhms), tolerance (±1%), power rating (0.125W), package type (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99). All identified substitute parts match these core electrical and mechanical specifications without exception.
Substitute parts are categorized into two groups:
Direct Substitutes maintain identical electrical performance and standard moisture resistant or automotive-grade specifications. These parts are pin-compatible and functionally interchangeable in standard applications.
Similar Substitutes provide equivalent electrical performance with enhanced certifications (Automotive AEC-Q200 rating) or additional features (high voltage capability). These parts are suitable for applications requiring automotive-grade reliability or extended environmental performance.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Features | Height Max (mm) | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC2012F3651CS | Samsung Electro-Mechanics | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Moisture Resistant | 0.65 | ROHS3 | 1 |
| CR0805-FX-3651ELF | Bourns Inc. | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Moisture Resistant | 0.60 | ROHS3 | 1 |
| ERJ-6ENF3651V | Panasonic Electronic Components | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | 0.70 | ROHS3 | 1 |
| KTR10EZPF3651 | Rohm Semiconductor | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200, High Voltage | 0.65 | ROHS3 | 1 |
| RC0805FR-073K65L | YAGEO | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Moisture Resistant | 0.60 | ROHS3 | 1 |
| RMCF0805FT3K65 | Stackpole Electronics Inc | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | 0.65 | ROHS3 | 1 |
| AC0805FR-073K65L | YAGEO | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200, Moisture Resistant | 0.60 | ROHS3 | 1 |
| CRCW08053K65FKEA | Vishay Dale | 3.65 kΩ | ±1% | 0.125 | 0805 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | 0.50 | ROHS3 | 1 |
Engineering Selection Recommendations
All substitute parts listed maintain full electrical equivalence to the RC2012F3651CS across resistance, tolerance, power rating, temperature coefficient, and operating temperature specifications. Selection among substitute options is determined by application requirements and compliance certifications.
For Standard Industrial Applications: CR0805-FX-3651ELF (Bourns) and RC0805FR-073K65L (YAGEO) provide direct functional equivalence with moisture resistant characteristics matching the original specification.
For Automotive Applications: ERJ-6ENF3651V (Panasonic), RMCF0805FT3K65 (Stackpole), AC0805FR-073K65L (YAGEO), and CRCW08053K65FKEA (Vishay Dale) incorporate AEC-Q200 automotive qualification. KTR10EZPF3651 (Rohm) additionally provides high voltage capability for demanding automotive environments.
All parts maintain ROHS3 compliance, REACH Unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating. Physical dimensions remain compatible across all options, with height variations (0.50mm to 0.70mm) remaining within standard PCB assembly tolerances for 0805 package components.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-073K65L replace RC2012F3651CS in any application?
A: Yes. RC0805FR-073K65L (YAGEO) matches all critical electrical parameters: 3.65 kOhms ±1%, 0.125W power rating, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, 0805 package, and ROHS3 compliance. Moisture resistant characteristics are equivalent.
Q: What is the difference between direct substitutes and similar substitutes?
A: Direct substitutes (CR0805-FX-3651ELF, RC0805FR-073K65L) provide standard moisture resistant specifications. Similar substitutes (ERJ-6ENF3651V, RMCF0805FT3K65, AC0805FR-073K65L, CRCW08053K65FKEA, KTR10EZPF3651) include Automotive AEC-Q200 certification for enhanced reliability in automotive environments. Electrical performance is identical across both categories.
Q: Are there height differences between substitute parts?
A: Yes. Seated height varies from 0.50mm (CRCW08053K65FKEA) to 0.70mm (ERJ-6ENF3651V). The original RC2012F3651CS measures 0.65mm. These variations remain within standard 0805 package tolerances and do not affect PCB assembly compatibility.
Q: Which substitute is recommended for high-temperature applications?
A: All listed substitutes operate across the identical temperature range (-55°C to 155°C) with matching ±100ppm/°C temperature coefficient. Selection should be based on application-specific requirements such as automotive certification (AEC-Q200) or high voltage capability (KTR10EZPF3651).
Q: Do all substitutes have the same moisture sensitivity level?
A: Yes. All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity rating, identical to the RC2012F3651CS. This indicates no moisture-related handling restrictions during storage or assembly.
Q: Can automotive-grade substitutes be used in non-automotive applications?
A: Yes. Automotive-grade parts (AEC-Q200 certified) exceed standard industrial specifications and are fully compatible with non-automotive applications. They provide enhanced reliability margins without functional or electrical differences.
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