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RC1608F912CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F912CS is a 9.1 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status and is RoHS3 compliant with moisture-resistant characteristics. The part is supplied in Tape & Reel packaging with MSL Level 1 (Unlimited moisture sensitivity rating).
Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain disruptions, or specific application requirements such as automotive qualification or enhanced environmental performance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 9.1 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.1W (1/10W) |
| Package / Case | 0603 (1608 Metric) |
| Composition | Thick Film |
| 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
Substitution eligibility for the RC1608F912CS is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 9.1 kOhms
- Tolerance: ±1%
- Power rating: 0.1W (1/10W)
- Package: 0603 (1608 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Termination count: 2
- RoHS3 compliance
- MSL Level 1
Substitute parts are categorized into three groups based on additional features and certifications:
Direct Substitutes: Parts meeting all mandatory parameters with identical or equivalent feature sets (standard moisture-resistant thick film construction).
Upgrade Substitutes: Parts meeting all mandatory parameters with enhanced specifications such as automotive AEC-Q200 qualification or high-voltage rating, suitable for applications requiring higher reliability standards.
Similar Substitutes: Parts meeting all mandatory parameters with automotive AEC-Q200 qualification, providing enhanced environmental and reliability performance for automotive applications.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Features | AEC-Q200 | RoHS3 | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F912CS | Samsung Electro-Mechanics | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Moisture Resistant | No | Yes | 1 |
| CRG0603F9K1 | TE Connectivity | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Standard | No | Yes | 1 |
| RC0603FR-079K1L | YAGEO | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Moisture Resistant | No | Yes | 1 |
| KTR03EZPF9101 | Rohm Semiconductor | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200, High Voltage | Yes | Yes | 1 |
| AC0603FR-079K1L | YAGEO | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200, Moisture Resistant | Yes | Yes | 1 |
| CRCW06039K10FKEA | Vishay Dale | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | Yes | Yes | 1 |
| ERJ-3EKF9101V | Panasonic Electronic Components | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | Yes | Yes | 1 |
| RMCF0603FT9K10 | Stackpole Electronics Inc | 9.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | Yes | Yes | 1 |
Engineering Selection Recommendations
For Standard Industrial Applications: CRG0603F9K1 (TE Connectivity) and RC0603FR-079K1L (YAGEO) are direct functional equivalents to RC1608F912CS. Both parts maintain identical electrical specifications and RoHS3 compliance. RC0603FR-079K1L includes moisture-resistant construction matching the original part specification. Selection between these options depends on availability and supply chain preferences.
For Automotive Applications: KTR03EZPF9101 (Rohm Semiconductor), AC0603FR-079K1L (YAGEO), CRCW06039K10FKEA (Vishay Dale), ERJ-3EKF9101V (Panasonic), and RMCF0603FT9K10 (Stackpole Electronics) all carry AEC-Q200 automotive qualification. These parts are suitable for automotive-grade applications requiring enhanced reliability and environmental performance. All maintain identical electrical parameters and RoHS3 compliance.
Selection Criteria:
- Inventory availability and lead time requirements
- Supply chain continuity and preferred supplier relationships
- Automotive qualification necessity (AEC-Q200 rated parts for automotive designs)
- Packaging format preference (Tape & Reel vs. Cut Tape & Digi-Reel)
- Moisture-resistant feature requirement for high-humidity environments
All listed substitute parts are Active product status with unlimited MSL rating, ensuring compatibility with standard PCB assembly processes.
Frequently Asked Questions (FAQ)
Q: Can I use any of these substitute parts interchangeably with RC1608F912CS?
A: Yes, all listed substitute parts meet the mandatory electrical and mechanical parameters: 9.1 kOhms ±1% resistance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and RoHS3 compliance. Direct substitution is electrically and mechanically compatible.
Q: What is the difference between direct substitutes and automotive-qualified substitutes?
A: Direct substitutes (CRG0603F9K1, RC0603FR-079K1L) meet all electrical and mechanical specifications without automotive qualification. Automotive-qualified substitutes carry AEC-Q200 certification, indicating compliance with automotive reliability and environmental testing standards. Use automotive-qualified parts for automotive applications; standard parts are suitable for industrial and consumer applications.
Q: Are there physical dimension differences between substitute parts?
A: Most substitute parts maintain the standard 0603 package dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm). CRCW06039K10FKEA has slightly different dimensions (0.061" L x 0.033" W / 1.55mm x 0.85mm) and maximum height (0.020" vs. 0.022"), which may affect PCB layout in space-constrained designs. RMCF0603FT9K10 has length of 0.061" (1.55mm) with standard height. Verify PCB footprint compatibility before design implementation.
Q: What packaging formats are available?
A: RC1608F912CS is supplied in Tape & Reel (TR) format. RC0603FR-079K1L and CRCW06039K10FKEA are available in Cut Tape (CT) & Digi-Reel format. Other substitutes are supplied in Tape & Reel. Packaging format affects handling and assembly processes; confirm compatibility with your manufacturing equipment.
Q: Do all substitute parts have the same moisture sensitivity level?
A: Yes, all substitute parts carry MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard PCB assembly processes and storage conditions are compatible with all listed parts.
Q: Which substitute should I choose for high-reliability applications?
A: For high-reliability requirements, select automotive-qualified parts: KTR03EZPF9101, AC0603FR-079K1L, CRCW06039K10FKEA, ERJ-3EKF9101V, or RMCF0603FT9K10. These parts undergo enhanced environmental and reliability testing per AEC-Q200 standards. KTR03EZPF9101 includes high-voltage rating for additional performance margin.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all substitute parts listed are RoHS3 compliant, meeting EU Directive 2011/65/EU requirements for restricted hazardous substances.
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