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RC1608F3240CS Equivalent & Substitute Parts
Part Overview
The RC1608F3240CS is a 324 Ohm ±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 MSL 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 324 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 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitute parts for the RC1608F3240CS are classified into two categories based on electrical and mechanical parameter alignment:
Direct Substitutes maintain identical specifications across all critical parameters: 324 Ohm resistance, ±1% tolerance, 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. These parts are interchangeable without design modification.
Similar Substitutes share all electrical and mechanical specifications with the main part but include additional automotive qualification (AEC-Q200 certification). These parts exceed the baseline requirements and are suitable for applications requiring automotive-grade reliability.
The substitution logic is based strictly on:
- Resistance value and tolerance matching
- Power rating equivalence
- Package/case dimensional compatibility
- Temperature coefficient alignment
- Operating temperature range coverage
- Compliance certifications (RoHS3, REACH)
- Moisture sensitivity level consistency
Parameter Comparison
| Parameter | RC1608F3240CS (Samsung) | CR0603-FX-3240ELF (Bourns) | RC0603FR-07324RL (YAGEO) | AC0603FR-07324RL (YAGEO) | CRCW0603324RFKEA (Vishay Dale) | ERJ-3EKF3240V (Panasonic) | RMCF0603FT324R (Stackpole) |
|---|---|---|---|---|---|---|---|
| Resistance | 324 Ohms | 324 Ohms | 324 Ohms | 324 Ohms | 324 Ohms | 324 Ohms | 324 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W | 0.1W |
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Automotive AEC-Q200 | No | No | No | Yes | Yes | Yes | Yes |
Engineering Selection Recommendations
Direct Substitution (No Automotive Requirement): CR0603-FX-3240ELF (Bourns Inc.) and RC0603FR-07324RL (YAGEO) are direct functional equivalents to the RC1608F3240CS. Both maintain identical electrical and mechanical specifications without additional automotive certification. Selection between these options depends on supplier availability and inventory levels.
Substitution with Automotive Qualification: AC0603FR-07324RL (YAGEO), CRCW0603324RFKEA (Vishay Dale), ERJ-3EKF3240V (Panasonic Electronic Components), and RMCF0603FT324R (Stackpole Electronics Inc.) are suitable substitutes for applications requiring AEC-Q200 automotive-grade reliability. These parts exceed the baseline specifications of the RC1608F3240CS while maintaining full electrical and mechanical compatibility. All substitute parts carry ROHS3 compliance and MSL 1 rating consistent with the original component.
Product status for all listed parts is Active, ensuring continued availability and manufacturing support.
Frequently Asked Questions (FAQ)
Q: Can CR0603-FX-3240ELF replace RC1608F3240CS in any application? A: Yes. CR0603-FX-3240ELF shares identical electrical specifications (324 Ohms ±1%, 0.1W), mechanical package (0603), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance ratings (RoHS3, MSL 1). Direct substitution is valid without circuit modification.
Q: What is the difference between direct substitutes and similar substitutes? A: Direct substitutes (CR0603-FX-3240ELF, RC0603FR-07324RL) match all specifications of the RC1608F3240CS exactly. Similar substitutes (AC0603FR-07324RL, CRCW0603324RFKEA, ERJ-3EKF3240V, RMCF0603FT324R) include additional AEC-Q200 automotive certification, making them suitable for automotive applications while remaining compatible with standard industrial designs.
Q: Are there dimensional differences between substitute parts? A: Substitute parts maintain 0603 (1608 Metric) package compatibility. Minor dimensional variations exist: CRCW0603324RFKEA and RMCF0603FT324R have slightly different length and height specifications (1.55mm x 0.85mm and 1.55mm x 0.80mm respectively versus 1.60mm x 0.80mm for the main part), but these fall within standard PCB footprint tolerances for 0603 components.
Q: Which substitute offers the highest inventory availability? A: RC0603FR-07324RL (YAGEO) has 131,793 pieces in stock, followed by ERJ-3EKF3240V (Panasonic) with 75,482 pieces and RMCF0603FT324R (Stackpole) with 71,857 pieces.
Q: Can automotive-qualified substitutes be used in non-automotive applications? A: Yes. Automotive-qualified parts (AEC-Q200) exceed standard industrial requirements and are fully compatible with non-automotive designs. Their use introduces no functional or reliability concerns in standard applications.
Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 compliance and REACH Unaffected status, matching the environmental compliance profile of the RC1608F3240CS.
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