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RC1608F9310CS Equivalent & Substitute Parts
Part Overview
The RC1608F9310CS is a 931 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.
Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, package format, and compliance certifications. Alternative sources provide identical functional performance while maintaining compatibility with existing PCB designs and assembly processes.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 931 Ohms |
| 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 |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following parameters:
Mandatory Matching Parameters:
- Resistance Value: 931 Ohms
- Tolerance: ±1%
- Power Rating: 0.1W (1/10W)
- Package Format: 0603 (1608 Metric)
- Composition: Thick Film
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature Range: -55°C ~ 155°C
- Moisture Sensitivity Level: 1 (Unlimited)
- RoHS Compliance: ROHS3 Compliant
All identified substitute parts meet these mandatory parameters. Substitute parts are classified into two categories:
Direct Substitutes maintain identical packaging format (Cut Tape or Tape & Reel variants of the same series):
- CR0603-FX-9310ELF (Bourns Inc.)
- RC0603FR-07931RL (YAGEO)
Similar Substitutes meet all electrical and mechanical specifications with additional certifications or minor dimensional variations:
- AC0603FR-07931RL (YAGEO) – Includes AEC-Q200 automotive qualification
- CRCW0603931RFKEA (Vishay Dale) – Includes AEC-Q200 automotive qualification
- ERJ-3EKF9310V (Panasonic Electronic Components) – Includes AEC-Q200 automotive qualification
- RMCF0603FT931R (Stackpole Electronics Inc) – Includes AEC-Q200 automotive qualification
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | MSL | RoHS | Packaging Type | AEC-Q200 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F9310CS | Samsung Electro-Mechanics | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Cut Tape (CT) | No |
| CR0603-FX-9310ELF | Bourns Inc. | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | No |
| RC0603FR-07931RL | YAGEO | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Cut Tape (CT) & Digi-Reel® | No |
| AC0603FR-07931RL | YAGEO | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | Yes |
| CRCW0603931RFKEA | Vishay Dale | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | Yes |
| ERJ-3EKF9310V | Panasonic Electronic Components | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | Yes |
| RMCF0603FT931R | Stackpole Electronics Inc | 931 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | Yes |
Engineering Selection Recommendations
All identified substitute parts are Active status components with ROHS3 compliance and MSL 1 rating, confirming suitability for direct replacement in applications matching the RC1608F9310CS specifications.
For Standard Industrial Applications: CR0603-FX-9310ELF (Bourns Inc.) and RC0603FR-07931RL (YAGEO) provide direct electrical and mechanical equivalence without additional automotive certifications. These parts are suitable for general-purpose circuit applications where AEC-Q200 qualification is not required.
For Automotive and High-Reliability Applications: AC0603FR-07931RL (YAGEO), CRCW0603931RFKEA (Vishay Dale), ERJ-3EKF9310V (Panasonic Electronic Components), and RMCF0603FT931R (Stackpole Electronics Inc) include AEC-Q200 automotive qualification. These parts meet enhanced reliability and qualification standards for automotive-grade circuit designs.
Packaging Considerations: The RC1608F9310CS is supplied in Cut Tape (CT) format. Substitute parts are available in both Cut Tape and Tape & Reel formats. Selection between packaging types depends on assembly process requirements and volume specifications.
Frequently Asked Questions (FAQ)
Q: Can CR0603-FX-9310ELF replace RC1608F9310CS in any application?
A: CR0603-FX-9310ELF meets all mandatory electrical and mechanical parameters for direct substitution. The primary difference is packaging format (Tape & Reel versus Cut Tape). Compatibility depends on assembly equipment capability to process the selected packaging type.
Q: What is the difference between direct substitutes and similar substitutes?
A: Direct substitutes (CR0603-FX-9310ELF, RC0603FR-07931RL) match all electrical specifications without additional certifications. Similar substitutes include AEC-Q200 automotive qualification, which adds enhanced reliability testing and qualification requirements. Selection depends on application requirements.
Q: Are the AEC-Q200 qualified parts backward compatible with non-automotive applications?
A: Yes. AEC-Q200 qualification represents additional testing and quality assurance beyond standard requirements. Parts with AEC-Q200 certification function identically to non-qualified equivalents in standard applications while providing enhanced reliability documentation.
Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?
A: MSL 1 indicates the component has unlimited shelf life without moisture bake-out requirements. This classification applies to all listed substitute parts, confirming equivalent moisture handling characteristics.
Q: Are there dimensional differences between substitute parts?
A: All parts conform to the 0603 (1608 Metric) package standard. Minor dimensional variations exist within tolerance ranges (for example, CRCW0603931RFKEA and RMCF0603FT931R show slight height and length variations). These variations remain within PCB design tolerances and do not affect assembly compatibility.
Q: Can I mix packaging formats (Cut Tape and Tape & Reel) in the same production run?
A: Packaging format selection must align with assembly equipment specifications. Cut Tape and Tape & Reel formats require different handling and feeding mechanisms. Mixing formats within a single production run requires equipment capable of processing both formats or separate assembly operations.
Q: Do all substitute parts have identical temperature coefficients?
A: Yes. All listed substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, confirming thermal performance equivalence.
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