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RC1608F2210CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F2210CS is a 221 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 with moisture resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and consumer applications requiring standard tolerance resistive elements.
Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when supply chain optimization requires alternative sourcing, or when design requirements permit functional alternatives meeting identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 221 Ohms | Core electrical specification |
| Tolerance | ±1% | Precision requirement |
| Power Rating | 0.1W (1/10W) | Thermal dissipation capacity |
| Package / Case | 0603 (1608 Metric) | Physical form factor and PCB compatibility |
| Composition | Thick Film | Manufacturing technology |
| Temperature Coefficient | ±100ppm/°C | Stability over temperature range |
| Operating Temperature Range | -55°C to +155°C | Environmental operating limits |
| Terminations | 2 | Connection points |
| RoHS Status | ROHS3 Compliant | Environmental regulation compliance |
| Moisture Sensitivity Level | 1 (Unlimited) | Handling and storage requirements |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F2210CS is determined by strict equivalence across the following mandatory parameters:
Electrical Parameters (Non-negotiable):
- Resistance value: 221 Ohms
- Tolerance: ±1%
- Power rating: 0.1W (1/10W)
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C to +155°C
Mechanical Parameters (Non-negotiable):
- Package type: 0603 (1608 Metric)
- Number of terminations: 2
- Composition: Thick Film
Compliance Parameters:
- RoHS3 compliance required for direct substitution
- REACH unaffected status required for direct substitution
- MSL 1 (Unlimited) required
Parts are grouped into three categories based on substitution relationship:
Direct Substitutes meet all electrical, mechanical, and compliance parameters with identical specifications. These parts are pin-compatible and functionally equivalent with no design modifications required.
Upgrade Substitutes meet all core electrical and mechanical parameters but may have discontinued product status or different packaging format (Cut Tape vs. Tape & Reel). These require inventory verification before selection.
Similar Parts meet all electrical and mechanical parameters but include additional features or certifications (such as Automotive AEC-Q200 or Anti-Sulfur treatment) beyond the base specification. These are suitable for applications requiring enhanced performance characteristics.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | RoHS Status | MSL | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F2210CS | Samsung Electro-Mechanics | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| CR0603-FX-2210ELF | Bourns Inc. | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| RC0603FR-07221RL | YAGEO | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| MCR03ERTF2210 | Rohm Semiconductor | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Discontinued at DiGi Electronics | Cut Tape & Digi-Reel |
| AC0603FR-07221RL | YAGEO | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| AF0603FR-07221RL | YAGEO | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| CRCW0603221RFKEA | Vishay Dale | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Cut Tape & Digi-Reel |
| CRCW0603221RFKTA | Vishay Dale | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | RoHS non-compliant | 1 | Active | Tape & Reel |
| ERJ-3EKF2210V | Panasonic Electronic Components | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| RMCF0603FG221R | Stackpole Electronics Inc | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
| RMCF0603FT221R | Stackpole Electronics Inc | 221 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 to +155°C | ROHS3 | 1 | Active | Tape & Reel |
Engineering Selection Recommendations
Direct Substitutes (Recommended Priority):
CR0603-FX-2210ELF (Bourns Inc.) and RC0603FR-07221RL (YAGEO) are direct functional equivalents meeting all electrical, mechanical, and compliance specifications. Both parts maintain Active product status with ROHS3 compliance and Tape & Reel packaging. Selection between these options should be based on supply availability and cost optimization.
Upgrade Substitute (Conditional Use):
MCR03ERTF2210 (Rohm Semiconductor) meets all core electrical and mechanical parameters but carries Discontinued at DiGi Electronics status. This part is suitable only when existing inventory is available and long-term supply is not required. Cut Tape & Digi-Reel packaging may require process adjustment for automated assembly.
Similar Parts with Enhanced Features (Application-Dependent):
Parts with Automotive AEC-Q200 certification (AC0603FR-07221RL, AF0603FR-07221RL, CRCW0603221RFKEA, CRCW0603221RFKTA, ERJ-3EKF2210V, RMCF0603FG221R, RMCF0603FT221R) are suitable for applications requiring automotive-grade reliability. AF0603FR-07221RL includes Anti-Sulfur treatment for enhanced environmental resistance.
Non-Compliant Part (Not Recommended):
CRCW0603221RFKTA (Vishay Dale) is RoHS non-compliant and REACH affected. This part is not suitable for applications requiring ROHS3 compliance and should not be selected for new designs.
Frequently Asked Questions (FAQ)
Q: Can I substitute RC1608F2210CS with any 221 Ohm 0603 resistor?
A: No. Substitution requires exact equivalence across all specified parameters: 221 Ohms ±1% tolerance, 0.1W power rating, ±100ppm/°C temperature coefficient, -55°C to +155°C operating range, ROHS3 compliance, and MSL 1 rating. Only parts meeting all these criteria are functionally equivalent.
Q: What is the difference between Direct Substitutes and Similar Parts?
A: Direct Substitutes (CR0603-FX-2210ELF, RC0603FR-07221RL) meet the base specification without additional features. Similar Parts include enhanced certifications such as Automotive AEC-Q200 or Anti-Sulfur treatment. Similar Parts are backward-compatible with the original specification but offer additional performance characteristics suitable for specialized applications.
Q: Why is CRCW0603221RFKTA not recommended despite being available?
A: CRCW0603221RFKTA fails to meet mandatory compliance requirements: it is RoHS non-compliant and REACH affected, whereas the original RC1608F2210CS is ROHS3 compliant and REACH unaffected. This part cannot be used in applications requiring regulatory compliance.
Q: Does packaging format affect substitution eligibility?
A: Packaging format (Tape & Reel vs. Cut Tape & Digi-Reel) does not affect electrical or mechanical compatibility but may impact assembly process requirements. Tape & Reel packaging is standard for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging may require manual handling or process modification.
Q: Are Automotive AEC-Q200 parts suitable for non-automotive applications?
A: Yes. Automotive AEC-Q200 certified parts meet or exceed the base specification and are suitable for any application accepting the original part. AEC-Q200 certification indicates enhanced reliability testing and environmental stress screening, making these parts suitable for demanding industrial and consumer applications.
Q: What inventory considerations apply to MCR03ERTF2210?
A: MCR03ERTF2210 is marked Discontinued at DiGi Electronics, indicating limited future availability through standard distribution channels. This part should be selected only when existing inventory is confirmed and long-term supply is not required. For new designs or long-term production, select from Active status alternatives.
Q: How do I verify physical compatibility on the PCB?
A: All listed parts use identical 0603 (1608 Metric) package format with 2 terminations and maximum seated height of 0.022" (0.55mm), except CRCW0603221RFKEA and CRCW0603221RFKTA which have 0.020" (0.50mm) maximum height. Verify PCB footprint clearance for height-sensitive applications. Dimensional variations within 0.002" are within standard PCB tolerance.
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