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RC1608F242CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F242CS is a 2.4 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 moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is RoHS3 compliant and REACH unaffected, suitable for general industrial and commercial applications requiring precision resistive elements in compact surface-mount form factors.
Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain optimization requires alternative sourcing, or when design flexibility permits selection from multiple qualified manufacturers meeting identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 2.4 | kOhms |
| Tolerance | ±1 | % |
| Power Rating | 0.1 | W (1/10W) |
| Package / Case | 0603 (1608 Metric) | — |
| Composition | Thick Film | — |
| Temperature Coefficient | ±100 | ppm/°C |
| Operating Temperature Range | -55 to 155 | °C |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
| RoHS Status | ROHS3 Compliant | — |
| Number of Terminations | 2 | — |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F242CS is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 2.4 kOhms
- Tolerance: ±1%
- Power rating: 0.1W (1/10W)
- Package designation: 0603 (1608 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100 ppm/°C
- Operating temperature range: -55°C to 155°C
- Moisture sensitivity level: MSL 1 (Unlimited)
- RoHS compliance: ROHS3 Compliant
- Number of terminations: 2
All identified substitute parts meet these mandatory parameters without exception. Substitute parts are further categorized by product status (Active vs. Discontinued) and optional automotive qualification (AEC-Q200 certification). Parts with AEC-Q200 qualification represent enhanced reliability variants suitable for automotive applications but remain functionally equivalent for non-automotive use cases.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance (kOhms) | Tolerance (%) | Power (W) | Package | Temp Coeff (ppm/°C) | Temp Range (°C) | MSL | RoHS | Product Status | AEC-Q200 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F242CS | Samsung Electro-Mechanics | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | No |
| CR0603-FX-2401ELF | Bourns Inc. | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | No |
| RC0603FR-072K4L | YAGEO | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | No |
| AC0603FR-072K4L | YAGEO | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | Yes |
| CRCW06032K40FKEA | Vishay Dale | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | Yes |
| CRCW06032K40FKEB | Vishay Dale | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Discontinued | Yes |
| ERJ-3EKF2401V | Panasonic Electronic Components | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | Yes |
| RMCF0603FT2K40 | Stackpole Electronics Inc | 2.4 | ±1 | 0.1 | 0603 | ±100 | -55 to 155 | 1 | ROHS3 | Active | Yes |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Non-Automotive):
CR0603-FX-2401ELF (Bourns Inc.) and RC0603FR-072K4L (YAGEO) are direct functional equivalents with Active product status and identical electrical specifications to the RC1608F242CS. Both parts carry standard industrial moisture-resistant thick film construction without automotive qualification. Selection between these and the primary part depends on supply availability and procurement lead times.
Primary Substitutes (Active Status, Automotive-Qualified):
AC0603FR-072K4L (YAGEO), CRCW06032K40FKEA (Vishay Dale), ERJ-3EKF2401V (Panasonic Electronic Components), and RMCF0603FT2K40 (Stackpole Electronics Inc) are functionally equivalent with AEC-Q200 automotive qualification. These parts meet all electrical and mechanical parameters of the RC1608F242CS and provide enhanced reliability certification suitable for automotive and mission-critical applications. All four maintain Active product status with established supply chains.
Secondary Substitute (Discontinued Status):
CRCW06032K40FKEB (Vishay Dale) meets all electrical and mechanical specifications with AEC-Q200 qualification but carries Discontinued product status at primary distributors. This part remains available through secondary market channels and legacy inventory but should not be selected for new designs or long-term production requirements.
Selection Criteria:
For non-automotive applications requiring standard industrial reliability, CR0603-FX-2401ELF or RC0603FR-072K4L provide cost-effective alternatives. For automotive applications or designs requiring enhanced reliability assurance, AC0603FR-072K4L, CRCW06032K40FKEA, ERJ-3EKF2401V, or RMCF0603FT2K40 are appropriate selections. Avoid CRCW06032K40FKEB for new production due to discontinued status.
Frequently Asked Questions (FAQ)
Q: Can I substitute RC1608F242CS with any of the listed equivalent parts without circuit redesign?
A: Yes. All listed substitute parts match the mandatory electrical parameters (2.4 kOhms ±1%, 0.1W, ±100 ppm/°C, -55°C to 155°C operating range) and mechanical specifications (0603 package, 2 terminations, MSL 1). Direct substitution is permissible at the component level without circuit modification.
Q: What is the difference between automotive-qualified (AEC-Q200) and non-automotive variants?
A: AEC-Q200 qualification indicates the part has undergone enhanced reliability testing and qualification per automotive industry standards. Functionally, AEC-Q200 parts (AC0603FR-072K4L, CRCW06032K40FKEA, ERJ-3EKF2401V, RMCF0603FT2K40) are electrically and mechanically identical to non-automotive variants (CR0603-FX-2401ELF, RC0603FR-072K4L). AEC-Q200 parts are suitable for both automotive and non-automotive applications; non-automotive parts are not recommended for automotive use.
Q: Why is CRCW06032K40FKEB marked as Discontinued?
A: CRCW06032K40FKEB has been discontinued at primary distribution channels. While functionally equivalent and still available through secondary sources, it should not be selected for new designs or production programs requiring long-term supply assurance.
Q: Are there packaging differences between substitute parts?
A: All parts use 0603 (1608 Metric) package designation. Minor dimensional variations exist within tolerance (length 1.55–1.60 mm, width 0.80–0.85 mm, height 0.50–0.55 mm seated maximum). These variations are within standard PCB footprint tolerances and do not affect assembly or functionality.
Q: Which substitute offers the best supply availability?
A: RC0603FR-072K4L (YAGEO) and RMCF0603FT2K40 (Stackpole Electronics Inc) show the highest inventory levels (598,338 and 156,517 units respectively) among active parts, indicating strong supply chain presence and availability.
Q: Can I use these substitutes in high-reliability or mission-critical applications?
A: For mission-critical applications, select AEC-Q200 qualified parts: AC0603FR-072K4L, CRCW06032K40FKEA, ERJ-3EKF2401V, or RMCF0603FT2K40. These parts carry automotive-grade reliability certification. For standard industrial applications, all active-status parts are suitable.
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