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RC1608F3011CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F3011CS is a 3.01 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 with 1055 units currently in stock. The RC1608F3011CS serves as a standard general-purpose resistor for applications requiring moisture resistance and stable performance across the -55°C to 155°C operating temperature range. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific variants including automotive-qualified options.
Substiute Parts
Key Parameters
| Parameter | Value | Specification |
|---|---|---|
| Resistance Value | 3.01 kOhms | Core electrical specification |
| Tolerance | ±1% | Precision classification |
| Power Rating | 0.1W (1/10W) | Thermal dissipation capacity |
| Package / Case | 0603 (1608 Metric) | Physical form factor |
| Composition | Thick Film | Construction technology |
| Temperature Coefficient | ±100ppm/°C | Stability over temperature |
| Operating Temperature Range | -55°C to 155°C | Environmental limits |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | Handling and storage classification |
| RoHS Status | ROHS3 Compliant | Environmental compliance |
| Number of Terminations | 2 | Connection points |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F3011CS is determined by strict equivalence across the following parameters:
Primary Substitution Criteria:
- Resistance value: 3.01 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.1W / 1/10W (exact match required)
- Package: 0603 (1608 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
- Number of terminations: 2 (exact match required)
Secondary Compliance Parameters:
- RoHS3 Compliance status
- Moisture Sensitivity Level (MSL 1)
- REACH compliance status
Substitute parts are classified into two categories:
Direct Equivalents: Parts meeting all primary substitution criteria with identical electrical and mechanical specifications. These include CR0603-FX-3011ELF (Bourns Inc.) and RC0603FR-073L (YAGEO RC_L series).
Similar/Automotive-Qualified Variants: Parts meeting all primary substitution criteria but featuring additional certifications or enhanced specifications. These include AC0603FR-073K01L, AF0603FR-073K01L (YAGEO automotive series), CRCW06033K01FKEA, CRCW06033K01FKEB, CRCW06033K01FKTA (Vishay Dale CRCW series), ERJ-3EKF3011V, ERJ-S03F3011V (Panasonic ERJ series), and RMCF0603FT3K01 (Stackpole Electronics RMCF series). These variants include AEC-Q200 automotive qualification and/or anti-sulfur features while maintaining core electrical specifications.
Parameter Comparison
| Manufacturer | Part Number | Resistance | Tolerance | Power | Package | Temp Coeff | Op Temp Range | RoHS Status | MSL | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Samsung Electro-Mechanics | RC1608F3011CS | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
| Bourns Inc. | CR0603-FX-3011ELF | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
| YAGEO | RC0603FR-073K01L | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
| YAGEO | AC0603FR-073K01L | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
| YAGEO | AF0603FR-073K01L | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
| Vishay Dale | CRCW06033K01FKEA | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Cut Tape & Digi-Reel |
| Vishay Dale | CRCW06033K01FKEB | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Discontinued | Tape & Reel |
| Vishay Dale | CRCW06033K01FKTA | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | Non-compliant | 1 | Active | Tape & Reel |
| Panasonic Electronic Components | ERJ-3EKF3011V | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Cut Tape & Digi-Reel |
| Panasonic Electronic Components | ERJ-S03F3011V | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
| Stackpole Electronics Inc | RMCF0603FT3K01 | 3.01 kΩ | ±1% | 0.1W | 0603 | ±100ppm/°C | -55 to 155°C | ROHS3 | 1 | Active | Tape & Reel |
Engineering Selection Recommendations
For General-Purpose Applications (Non-Automotive):
CR0603-FX-3011ELF (Bourns Inc.) and RC0603FR-073K01L (YAGEO) are direct functional equivalents to RC1608F3011CS with identical electrical specifications, RoHS3 compliance, and Active product status. Both maintain full compatibility with existing designs and assembly processes.
For Automotive Applications (AEC-Q200 Required):
AC0603FR-073K01L, AF0603FR-073K01L (YAGEO automotive series), CRCW06033K01FKEA, CRCW06033K01FKEB, CRCW06033K01FKTA (Vishay Dale CRCW series), ERJ-3EKF3011V, ERJ-S03F3011V (Panasonic ERJ series), and RMCF0603FT3K01 (Stackpole Electronics) all meet AEC-Q200 automotive qualification requirements while maintaining core electrical specifications. AF0603FR-073K01L and ERJ-S03F3011V include anti-sulfur features for enhanced environmental protection.
Compliance Considerations:
CRCW06033K01FKTA is RoHS non-compliant and REACH Affected; this part is not suitable for applications requiring RoHS3 compliance. CRCW06033K01FKEB is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term availability.
Packaging and Supply Chain:
CRCW06033K01FKEA is supplied in Cut Tape & Digi-Reel format; verify compatibility with automated assembly equipment. ERJ-3EKF3011V is supplied in Cut Tape & Digi-Reel format. All other substitutes are supplied in standard Tape & Reel format compatible with conventional pick-and-place equipment.
Frequently Asked Questions (FAQ)
Q: Can RC0603FR-073K01L (YAGEO) be used as a direct replacement for RC1608F3011CS (Samsung)?
A: Yes. RC0603FR-073K01L meets all primary substitution criteria: 3.01 kOhms ±1%, 0.1W power rating, 0603 package, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, RoHS3 compliance, and MSL 1 rating. Electrical and mechanical compatibility is confirmed.
Q: What is the difference between AC0603FR-073K01L and AF0603FR-073K01L?
A: Both are YAGEO automotive-qualified resistors (AEC-Q200) with identical electrical specifications. AF0603FR-073K01L includes anti-sulfur feature for enhanced environmental protection in corrosive atmospheres. AC0603FR-073K01L is standard automotive-qualified without anti-sulfur treatment. Selection depends on application environmental requirements.
Q: Are all Vishay Dale CRCW variants suitable for new designs?
A: CRCW06033K01FKEA and CRCW06033K01FKEB are suitable for new designs with Active or standard product status. CRCW06033K01FKTA is RoHS non-compliant and REACH Affected; this variant is not recommended for new designs requiring environmental compliance. CRCW06033K01FKEB is discontinued at DiGi Electronics and should not be selected for applications requiring long-term supply availability.
Q: What packaging formats are available for these substitutes?
A: Most substitutes are supplied in standard Tape & Reel (TR) format. CRCW06033K01FKEA is supplied in Cut Tape (CT) & Digi-Reel format. ERJ-3EKF3011V is supplied in Cut Tape & Digi-Reel format. Verify packaging compatibility with your assembly process before selection.
Q: Which substitute offers the highest inventory availability?
A: ERJ-3EKF3011V (Panasonic) has 468,196 units in stock. RMCF0603FT3K01 (Stackpole) has 396,666 units. RC0603FR-073K01L (YAGEO) has 257,116 units. These three parts offer the highest supply security for high-volume production.
Q: Can automotive-qualified parts be used in non-automotive applications?
A: Yes. Automotive-qualified parts (AEC-Q200) meet or exceed general-purpose specifications and are fully compatible with non-automotive applications. Selection of automotive variants provides additional qualification margin and environmental robustness without design modification.
Q: What is the significance of MSL 1 rating?
A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life and no special moisture control requirements during storage or handling. All listed substitutes carry MSL 1 rating, eliminating moisture-related assembly constraints.
Q: Are there dimensional differences between substitutes that affect PCB layout?
A: All substitutes use 0603 (1608 Metric) package with identical footprint requirements. Minor height variations exist: RC1608F3011CS, CR0603-FX-3011ELF, RC0603FR-073K01L, ERJ-3EKF3011V, and ERJ-S03F3011V have 0.022" (0.55mm) maximum seated height. CRCW06033K01FKEA, CRCW06033K01FKEB, and CRCW06033K01FKTA have 0.020" (0.50mm) maximum seated height. RMCF0603FT3K01 has 0.022" (0.55mm) maximum seated height. These variations are within standard 0603 package tolerance and do not require PCB layout modification.
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