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RC1608J241CS 240 Ohm 0603 Chip Resistor Equivalent & Substitute Parts
Part Overview
The RC1608J241CS is a 240 Ohm ±5% thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. 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 is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating, indicating suitability for standard PCB assembly processes without special handling requirements.
The RC1608J241CS is currently in active production status with 609 pieces available in inventory. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package type, dimensions, termination count), and environmental operating parameters. Substitute parts may offer enhanced tolerance grades, automotive-grade certifications, or alternative packaging formats while maintaining functional equivalence in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance | 240 Ohms | Core electrical specification |
| Tolerance | ±5% | Defines acceptable resistance variation |
| Power Rating | 0.1W (1/10W) | Maximum power dissipation capability |
| Package Type | 0603 (1608 Metric) | Physical form factor and footprint |
| Composition | Thick Film | Construction technology |
| Operating Temperature Range | -55°C to 155°C | Environmental operating limits |
| Temperature Coefficient | ±100ppm/°C | Resistance stability over temperature |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | Handling and storage requirements |
| RoHS Compliance | ROHS3 Compliant | Environmental and regulatory requirement |
Substitute Part Grouping Explanation
Substitute parts for the RC1608J241CS are classified into three categories based on substitution compatibility:
Direct Substitutes (Electrical & Mechanical Equivalence) Direct substitutes maintain identical electrical specifications (240 Ohms ±5%, 0.1W) and mechanical compatibility (0603 package, 2 terminations, same dimensions). These parts are interchangeable without circuit redesign or PCB layout modification. The primary direct substitute is RC0603JR-07240RL (YAGEO), which matches all critical parameters including tolerance grade, power rating, and operating temperature range.
Upgrade Substitutes (Enhanced Tolerance) Upgrade substitutes provide tighter tolerance specifications (±1% instead of ±5%) while maintaining the same resistance value, power rating, package type, and operating temperature range. These parts include RMCF0603FT240R (Stackpole Electronics Inc), CRG0603F240R (TE Connectivity), ERJ-3EKF2400V (Panasonic), RC0603FR-07240RL (YAGEO), and RMCF0603FG240R (Stackpole Electronics Inc). Upgrade substitutes are suitable for applications requiring improved resistance accuracy without circuit modification.
Automotive-Grade Substitutes (AEC-Q200 Certified) Several substitute parts carry AEC-Q200 automotive qualification, including RMCF0603FT240R, ERJ-3EKF2400V, RMCF0603FG240R, RMCF0603JT240R, and AC0603JR-07240RL. These parts meet automotive reliability standards while maintaining 0603 package compatibility and 240 Ohm resistance specification. AEC-Q200 parts are suitable for automotive and high-reliability applications.
Similar Parts (Tolerance Variation) ERJ-3GEYJ241V (Panasonic) and RMCF0603JT240R (Stackpole Electronics Inc) maintain ±5% tolerance matching the main part but carry AEC-Q200 automotive certification. AC0603JR-07240RL (YAGEO) combines ±5% tolerance with AEC-Q200 certification and moisture-resistant features.
Substitution logic is based strictly on the following allowed parameters: resistance value (240 Ohms), tolerance grade (±5% or tighter), power rating (0.1W minimum), package type (0603), composition (thick film), operating temperature range (-55°C to 155°C minimum), and compliance certifications (ROHS3, MSL rating).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | Package | Features | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| RC1608J241CS | Samsung Electro-Mechanics | 240 Ω | ±5% | 0.1 | ±100 | -55 to 155 | 0603 | Moisture Resistant | ROHS3 | 1 |
| RC0603JR-07240RL | YAGEO | 240 Ω | ±5% | 0.1 | ±100 | -55 to 155 | 0603 | Moisture Resistant | ROHS3 | 1 |
| RMCF0603FT240R | Stackpole Electronics Inc | 240 Ω | ±1% | 0.1 | ±100 | -55 to 155 | 0603 | Automotive AEC-Q200 | ROHS3 | 1 |
| CRG0603F240R | TE Connectivity Passive Product | 240 Ω | ±1% | 0.1 | ±100 | -55 to 155 | 0603 | None specified | ROHS3 | 1 |
| ERJ-3EKF2400V | Panasonic Electronic Components | 240 Ω | ±1% | 0.1 | ±100 | -55 to 155 | 0603 | Automotive AEC-Q200 | ROHS3 | 1 |
| ERJ-3GEYJ241V | Panasonic Electronic Components | 240 Ω | ±5% | 0.1 | ±200 | -55 to 155 | 0603 | Automotive AEC-Q200 | ROHS3 | 1 |
| KTR03EZPF2400 | Rohm Semiconductor | 240 Ω | ±1% | 0.1 | ±100 | -55 to 155 | 0603 | Automotive AEC-Q200, High Voltage | ROHS3 | 1 |
| RC0603FR-07240RL | YAGEO | 240 Ω | ±1% | 0.1 | ±100 | -55 to 155 | 0603 | Moisture Resistant | ROHS3 | 1 |
| RMCF0603FG240R | Stackpole Electronics Inc | 240 Ω | ±1% | 0.1 | ±100 | -55 to 155 | 0603 | Automotive AEC-Q200 | ROHS3 | 1 |
| RMCF0603JT240R | Stackpole Electronics Inc | 240 Ω | ±5% | 0.1 | ±200 | -55 to 155 | 0603 | Automotive AEC-Q200 | ROHS3 | 1 |
| AC0603JR-07240RL | YAGEO | 240 Ω | ±5% | 0.1 | ±100 | -55 to 155 | 0603 | Automotive AEC-Q200, Moisture Resistant | ROHS3 | 1 |
Engineering Selection Recommendations
For Direct Replacement (No Circuit Modification Required)
RC0603JR-07240RL (YAGEO) is the primary direct substitute for RC1608J241CS. Both parts share identical electrical specifications (240 Ohms ±5%, 0.1W), mechanical compatibility (0603 package, 1.60mm × 0.80mm dimensions), and environmental ratings (MSL 1, ROHS3 compliant). This part is suitable for applications where the original Samsung component is unavailable. Inventory availability is 5375 pieces.
For Improved Tolerance Applications
When circuit design requires tighter resistance tolerance (±1% instead of ±5%), the following upgrade substitutes are available:
RC0603FR-07240RL (YAGEO) maintains moisture-resistant features and ROHS3 compliance with 5838 pieces in stock. RMCF0603FG240R (Stackpole Electronics Inc) provides AEC-Q200 automotive certification with 11039 pieces available. Both parts maintain the 0603 package and -55°C to 155°C operating range.
For Automotive and High-Reliability Applications
AEC-Q200 certified substitutes are available for applications requiring automotive-grade reliability:
ERJ-3EKF2400V (Panasonic) offers ±1% tolerance with 212320 pieces in inventory. RMCF0603FT240R (Stackpole Electronics Inc) provides ±1% tolerance with 144260 pieces available. KTR03EZPF2400 (Rohm Semiconductor) combines ±1% tolerance with high-voltage features and 1870 pieces in stock.
For Automotive Applications with Standard Tolerance
RMCF0603JT240R (Stackpole Electronics Inc) maintains ±5% tolerance matching the original part while adding AEC-Q200 certification, with 61780 pieces available. AC0603JR-07240RL (YAGEO) combines ±5% tolerance with AEC-Q200 certification and moisture-resistant construction, with 19490 pieces in inventory.
All recommended substitutes maintain ROHS3 compliance, MSL Level 1 rating, and operating temperature range of -55°C to 155°C. Selection should be based on specific application requirements regarding tolerance grade, automotive certification, and packaging format (Tape & Reel versus Cut Tape).
Frequently Asked Questions (FAQ)
Q: Can RC0603JR-07240RL be used as a direct replacement for RC1608J241CS without PCB layout changes?
A: Yes. RC0603JR-07240RL is a direct substitute with identical electrical specifications (240 Ohms ±5%, 0.1W), package type (0603), and physical dimensions (1.60mm × 0.80mm). No PCB layout modification is required. Both parts are ROHS3 compliant with MSL Level 1 rating.
Q: What is the difference between the ±5% tolerance parts and ±1% tolerance upgrade substitutes?
A: The main part RC1608J241CS and direct substitutes like RC0603JR-07240RL carry ±5% tolerance, meaning the actual resistance value can vary by up to 5% from the nominal 240 Ohm specification. Upgrade substitutes with ±1% tolerance (such as RC0603FR-07240RL, RMCF0603FG240R, and ERJ-3EKF2400V) provide tighter resistance accuracy, with variation limited to ±1%. Upgrade substitutes are suitable for precision applications requiring improved component accuracy.
Q: Are AEC-Q200 certified parts compatible with non-automotive applications?
A: Yes. AEC-Q200 certification indicates that a part meets automotive reliability and qualification standards, but these parts are fully compatible with non-automotive applications. AEC-Q200 parts can be used in any application where the original part is specified, as they maintain all required electrical and mechanical parameters. Using AEC-Q200 parts in non-automotive applications provides enhanced reliability margin without circuit modification.
Q: What is the significance of the ±100ppm/°C versus ±200ppm/°C temperature coefficient?
A: Temperature coefficient indicates how much the resistance value changes with temperature variation. A ±100ppm/°C coefficient means the resistance changes by 0.01% per degree Celsius, while ±200ppm/°C means 0.02% change per degree Celsius. For the RC1608J241CS operating across -55°C to 155°C (210°C range), the ±100ppm/°C specification results in maximum resistance drift of approximately 2.1%, while ±200ppm/°C results in approximately 4.2% drift. Most substitute parts maintain ±100ppm/°C matching the original part, except ERJ-3GEYJ241V and RMCF0603JT240R which specify ±200ppm/°C.
Q: Can I use parts with different packaging formats (Tape & Reel versus Cut Tape)?
A: Packaging format (Tape & Reel or Cut Tape) affects component handling and assembly logistics but does not impact electrical or mechanical compatibility. RC1608J241CS is supplied in Tape & Reel format. Direct substitute RC0603JR-07240RL is also available in Tape & Reel. However, RC0603FR-07240RL and ERJ-3GEYJ241V are supplied in Cut Tape & Digi-Reel format. Component selection should consider manufacturing process requirements and assembly equipment compatibility.
Q: What does MSL Level 1 (Unlimited) mean for component handling?
A: MSL (Moisture Sensitivity Level) 1 indicates the lowest moisture sensitivity classification. Parts with MSL 1 rating have unlimited shelf life and do not require special moisture-controlled storage or baking procedures before soldering. Both the main part RC1608J241CS and all listed substitute parts carry MSL 1 rating, meaning they can be stored and handled using standard PCB assembly practices without special environmental controls.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental compliance status of the main part RC1608J241CS. ROHS3 compliance indicates the parts are free from restricted substances (lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers) as specified in the Restriction of Hazardous Substances Directive.
Q: Which substitute part offers the best inventory availability?
A: ERJ-3EKF2400V (Panasonic) offers the highest inventory availability with 212320 pieces in stock. This part provides ±1% tolerance upgrade with AEC-Q200 automotive certification. RMCF0603FT240R (Stackpole Electronics Inc) is the second highest with 144260 pieces available, also offering ±1% tolerance and AEC-Q200 certification.
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