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RC1608F5901CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F5901CS is a 5.9 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is designed for general-purpose applications requiring moisture-resistant thick film construction with standard industrial temperature range operation from -55°C to 155°C.
The RC1608F5901CS maintains Active product status with 1,059 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications (5.9 kOhms resistance, ±1% tolerance, 0.1W power rating), mechanical compatibility (0603 package footprint), and environmental performance characteristics (moisture resistance, temperature coefficient ±100ppm/°C, MSL 1 rating).
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 5.9 kOhms | Primary electrical specification |
| Tolerance | ±1% | Accuracy requirement for substitution |
| Power Rating | 0.1W (1/10W) | Thermal dissipation capability |
| Package / Case | 0603 (1608 Metric) | Physical footprint and PCB compatibility |
| Composition | Thick Film | Construction technology |
| Temperature Coefficient | ±100ppm/°C | Stability over operating range |
| Operating Temperature Range | -55°C to 155°C | Environmental performance envelope |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | Handling and storage requirements |
| RoHS Status | ROHS3 Compliant | Regulatory compliance |
| Number of Terminations | 2 | Standard two-terminal resistor configuration |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F5901CS is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Requirements:
- Resistance value: 5.9 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.1W / 1/10W (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
Mechanical Equivalence Requirements:
- Package type: 0603 (1608 Metric) surface mount package
- Composition: Thick film construction
- Terminations: 2-terminal configuration
- Moisture resistance: Required feature
Compliance Requirements:
- RoHS3 compliance required for direct substitution in regulated applications
- MSL 1 rating required for unlimited shelf life compatibility
Substitute parts are classified into two categories:
Direct Substitutes maintain identical electrical and mechanical specifications with matching RoHS3 compliance status. These parts are interchangeable without design modification.
Similar Substitutes meet all electrical and mechanical requirements but include additional certifications (AEC-Q200 automotive qualification) or have alternative RoHS compliance status. These parts are functionally equivalent but may require application-specific validation.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power Rating | Package | Temp Coeff | Operating Temp | MSL | RoHS Status | Packaging Type | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F5901CS | Samsung Electro-Mechanics | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Cut Tape (CT) | 1,059 Pcs |
| CR0603-FX-5901ELF | Bourns Inc. | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | 82,676 Pcs |
| RC0603FR-075K9L | YAGEO | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Cut Tape (CT) & Digi-Reel® | 174,885 Pcs |
| AC0603FR-075K9L | YAGEO | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Cut Tape (CT) & Digi-Reel® | 9,115 Pcs |
| CRCW06035K90FKEA | Vishay Dale | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Cut Tape (CT) & Digi-Reel® | 18,577 Pcs |
| CRCW06035K90FKEB | Vishay Dale | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | 28,225 Pcs |
| CRCW06035K90FKTA | Vishay Dale | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | RoHS non-compliant | Tape & Reel (TR) | 5,610 Pcs |
| ERJ-3EKF5901V | Panasonic Electronic Components | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | 310,809 Pcs |
| RMCF0603FT5K90 | Stackpole Electronics Inc | 5.9 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C ~ 155°C | 1 | ROHS3 | Tape & Reel (TR) | 770,680 Pcs |
Engineering Selection Recommendations
For RoHS3 Compliant Applications:
All substitute parts except CRCW06035K90FKTA maintain ROHS3 compliance status matching the original RC1608F5901CS specification. Selection among compliant alternatives should be based on packaging format requirements (Cut Tape versus Tape & Reel) and inventory availability.
For Automotive AEC-Q200 Applications:
The following substitute parts carry AEC-Q200 automotive qualification certification:
- AC0603FR-075K9L (YAGEO)
- CRCW06035K90FKEA (Vishay Dale)
- CRCW06035K90FKEB (Vishay Dale)
- CRCW06035K90FKTA (Vishay Dale)
- ERJ-3EKF5901V (Panasonic Electronic Components)
- RMCF0603FT5K90 (Stackpole Electronics Inc)
These parts are suitable for automotive and high-reliability applications requiring AEC-Q200 qualification. The original RC1608F5901CS does not carry this certification.
For General Industrial Applications:
Direct substitutes without automotive qualification are available:
- CR0603-FX-5901ELF (Bourns Inc.) - ROHS3 compliant, Tape & Reel packaging
- RC0603FR-075K9L (YAGEO) - ROHS3 compliant, Cut Tape & Digi-Reel® packaging
Product Status Considerations:
CRCW06035K90FKEB is listed as "Discontinued at DiGi Electronics" and should be avoided for new designs requiring long-term supply assurance. CRCW06035K90FKTA is RoHS non-compliant and REACH Affected, restricting use in regulated markets.
All other substitute parts maintain Active product status with ROHS3 compliance and REACH Unaffected status, ensuring regulatory compliance and supply continuity.
Frequently Asked Questions (FAQ)
Q: Can I substitute the RC1608F5901CS with any of the listed parts without PCB redesign?
A: Yes. All listed substitute parts use the identical 0603 (1608 Metric) surface mount package with matching footprint dimensions and two-terminal configuration. Direct PCB layout substitution is possible without design modification.
Q: What is the difference between "Direct Substitutes" and "Similar Substitutes"?
A: Direct substitutes (CR0603-FX-5901ELF, RC0603FR-075K9L) match all electrical and mechanical specifications with identical RoHS compliance status. Similar substitutes include additional certifications such as AEC-Q200 automotive qualification or have alternative compliance status. All are electrically and mechanically equivalent.
Q: Why do some substitute parts have AEC-Q200 certification when the original part does not?
A: AEC-Q200 is an automotive industry qualification standard. Manufacturers produce variants of the same base resistor design with enhanced qualification testing. Parts with AEC-Q200 certification are suitable for automotive applications but are not required for general industrial use.
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. All listed parts, including the original RC1608F5901CS, carry MSL 1 rating, ensuring identical moisture handling requirements.
Q: Are there packaging format differences I should consider?
A: Yes. The original RC1608F5901CS is supplied in Cut Tape (CT) format. Substitute parts are available in Cut Tape (CT), Tape & Reel (TR), or both formats. Tape & Reel packaging is standard for high-volume automated assembly. Cut Tape is suitable for lower-volume or manual assembly operations. Select based on your manufacturing process requirements.
Q: Which substitute part has the highest inventory availability?
A: RMCF0603FT5K90 (Stackpole Electronics Inc) has the highest inventory with 770,680 pieces in stock. This part is ROHS3 compliant, AEC-Q200 qualified, and supplied in Tape & Reel format.
Q: Can I use CRCW06035K90FKTA as a substitute?
A: CRCW06035K90FKTA is RoHS non-compliant and REACH Affected. Use is restricted in regulated markets and new designs. This part should be avoided unless specifically required for legacy system maintenance where RoHS compliance is not mandated.
Q: What is the temperature coefficient specification and why does it matter?
A: The ±100ppm/°C temperature coefficient indicates the resistor value changes by approximately 0.01% per degree Celsius across the operating range. All listed parts match this specification, ensuring equivalent temperature stability performance. This parameter is critical for precision analog circuits and temperature-sensitive applications.
Q: Are all substitute parts suitable for my application?
A: All listed parts meet the core electrical and mechanical specifications of the RC1608F5901CS. However, application-specific requirements may apply: automotive applications should use AEC-Q200 qualified parts; regulated markets require ROHS3 compliance; high-volume production may benefit from Tape & Reel packaging. Verify compliance requirements for your specific application before final selection.
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