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RC1608F220CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F220CS is a 22 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. 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, making it suitable for commercial and industrial applications. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature enhancements such as automotive qualification or improved temperature stability.
Substiute Parts
Key Parameters
| Parameter | Value | Substitution Relevance |
|---|---|---|
| Resistance Value | 22 Ohms | Critical - must match exactly |
| Tolerance | ±1% | Critical - determines circuit accuracy |
| Power Rating | 0.1W (1/10W) | Critical - thermal design requirement |
| Package / Case | 0603 (1608 Metric) | Critical - PCB footprint compatibility |
| Composition | Thick Film | Important - electrical characteristics |
| Temperature Coefficient | ±100ppm/°C or ±200ppm/°C | Important - temperature stability |
| Operating Temperature Range | -55°C ~ 155°C | Important - environmental limits |
| Moisture Resistance | Present or Absent | Application-dependent |
| Automotive Qualification | AEC-Q200 or None | Application-dependent |
| RoHS Status | ROHS3 Compliant or Non-compliant | Regulatory requirement |
Substitute Part Grouping Explanation
Substitute parts for the RC1608F220CS are classified based on electrical and mechanical parameter alignment with the main part specification. All substitute candidates maintain the core electrical requirements: 22 Ohm resistance value, ±1% tolerance, 0.1W power rating, and 0603 package form factor. The substitution logic is structured as follows:
Direct Substitutes (Functionally Identical): Parts that match all critical parameters including resistance, tolerance, power rating, package, composition, temperature coefficient (±100ppm/°C), operating temperature range, moisture resistance, and regulatory compliance (ROHS3, REACH unaffected). These parts are pin-compatible and electrically equivalent with no design modifications required.
Upgrade Substitutes (Enhanced Features): Parts that meet all critical electrical and mechanical parameters but introduce enhanced features such as automotive AEC-Q200 qualification or high voltage capability. These parts are suitable for applications requiring higher reliability standards or automotive-grade components while maintaining backward compatibility.
Similar Substitutes (Minor Parameter Variations): Parts that satisfy all critical parameters but exhibit minor variations in temperature coefficient (±200ppm/°C instead of ±100ppm/°C), physical dimensions (within tolerance), or regulatory status (RoHS non-compliant or REACH affected). These parts require application-level verification for temperature-sensitive circuits or regulatory-restricted markets.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Op Temp (°C) | Moisture Resistant | AEC-Q200 | RoHS Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F220CS | Samsung Electro-Mechanics | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | No | ROHS3 | Tape & Reel |
| CR0603-FX-22R0ELF | Bourns Inc. | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | No | ROHS3 | Tape & Reel |
| RC0603FR-0722RL | YAGEO | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | No | ROHS3 | Cut Tape & Digi-Reel |
| CRG0603F22R | TE Connectivity Passive Product | 22 Ω | ±1% | 0.1 | 0603 | ±200 | -55 ~ 155 | No | No | ROHS3 | Cut Tape & Digi-Reel |
| KTR03EZPF22R0 | Rohm Semiconductor | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Yes | ROHS3 | Tape & Reel |
| AC0603FR-0722RL | YAGEO | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Yes | Yes | ROHS3 | Cut Tape & Digi-Reel |
| CRCW060322R0FKEA | Vishay Dale | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Yes | ROHS3 | Cut Tape & Digi-Reel |
| CRCW060322R0FKTA | Vishay Dale | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Yes | RoHS Non-compliant | Tape & Reel |
| ERJ-3EKF22R0V | Panasonic Electronic Components | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Yes | ROHS3 | Cut Tape & Digi-Reel |
| RMCF0603FT22R0 | Stackpole Electronics Inc | 22 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | No | Yes | ROHS3 | Tape & Reel |
Engineering Selection Recommendations
For Direct Replacement (No Design Changes Required):
Select CR0603-FX-22R0ELF (Bourns Inc.) or RC0603FR-0722RL (YAGEO) when direct functional equivalence is required. Both parts maintain identical electrical specifications, moisture resistance, temperature coefficient (±100ppm/°C), and ROHS3 compliance. CR0603-FX-22R0ELF is available in Tape & Reel packaging matching the original part format. RC0603FR-0722RL offers Cut Tape & Digi-Reel packaging options for flexible procurement.
For Automotive and High-Reliability Applications:
Select KTR03EZPF22R0 (Rohm Semiconductor), AC0603FR-0722RL (YAGEO), CRCW060322R0FKEA (Vishay Dale), ERJ-3EKF22R0V (Panasonic), or RMCF0603FT22R0 (Stackpole Electronics) when AEC-Q200 automotive qualification is required. All five parts maintain the core electrical specifications and ROHS3 compliance. KTR03EZPF22R0 includes high voltage capability. AC0603FR-0722RL combines automotive qualification with moisture resistance matching the original part's environmental protection.
For Temperature-Sensitive Circuit Applications:
Avoid CRG0603F22R (TE Connectivity) in circuits requiring temperature coefficient better than ±200ppm/°C. This part exhibits ±200ppm/°C temperature coefficient compared to the original ±100ppm/°C specification. All other substitute parts maintain ±100ppm/°C temperature coefficient.
For Regulatory-Restricted Markets:
Avoid CRCW060322R0FKTA (Vishay Dale) in applications requiring ROHS3 compliance or REACH compliance. This part is marked as RoHS non-compliant and REACH affected. All other substitute parts maintain ROHS3 compliance and REACH unaffected status.
For Moisture-Sensitive Environments:
Prioritize CR0603-FX-22R0ELF, RC0603FR-0722RL, or AC0603FR-0722RL when moisture resistance is a design requirement. These three parts explicitly feature moisture resistant construction. Other substitute parts do not specify moisture resistance.
Frequently Asked Questions (FAQ)
Q: Can I substitute RC1608F220CS with any of the listed parts without PCB redesign?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions and two terminations. PCB layout and assembly processes require no modification. However, verify packaging format (Tape & Reel vs. Cut Tape & Digi-Reel) compatibility with your procurement and assembly equipment.
Q: What is the difference between Direct Substitutes and Upgrade Substitutes?
A: Direct substitutes (CR0603-FX-22R0ELF, RC0603FR-0722RL) match all electrical and environmental specifications of the original part, including moisture resistance and standard commercial qualification. Upgrade substitutes add automotive AEC-Q200 qualification or high voltage capability while maintaining backward electrical compatibility. Upgrade parts are suitable for applications requiring higher reliability standards.
Q: Does temperature coefficient affect circuit performance?
A: Temperature coefficient determines resistance value drift across the operating temperature range. The original RC1608F220CS and most substitutes specify ±100ppm/°C. CRG0603F22R specifies ±200ppm/°C, resulting in greater resistance variation over temperature. For precision circuits operating across the full -55°C to 155°C range, select parts with ±100ppm/°C specification.
Q: Are all substitute parts ROHS3 compliant?
A: No. CRCW060322R0FKTA (Vishay Dale) is marked as RoHS non-compliant. All other substitute parts are ROHS3 compliant. Verify regulatory requirements for your target market before part selection.
Q: What is the significance of AEC-Q200 qualification?
A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts bearing AEC-Q200 rating (KTR03EZPF22R0, AC0603FR-0722RL, CRCW060322R0FKEA, CRCW060322R0FKTA, ERJ-3EKF22R0V, RMCF0603FT22R0) are qualified for automotive applications requiring enhanced reliability, temperature cycling, and failure rate testing. Non-automotive applications do not require AEC-Q200 qualification.
Q: Can I mix packaging formats (Tape & Reel vs. Cut Tape) in production?
A: Packaging format affects procurement, storage, and assembly processes but not electrical performance. Tape & Reel packaging is suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging offers flexibility for manual assembly or mixed-component orders. Verify compatibility with your assembly equipment and procurement workflow.
Q: Which substitute offers the best moisture protection?
A: CR0603-FX-22R0ELF, RC0603FR-0722RL, and AC0603FR-0722RL explicitly specify moisture resistant construction. AC0603FR-0722RL combines moisture resistance with AEC-Q200 automotive qualification. For applications in high-humidity or corrosive environments, these three parts are recommended.
Q: Is the original RC1608F220CS still in active production?
A: Yes. RC1608F220CS is classified as Active product status with 869 pieces in stock. Substitute parts are identified to provide supply chain flexibility and application-specific feature options, not due to part obsolescence.
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