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RC1608F1912CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F1912CS is a 19.1 kOhms ±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 1,442 pieces currently in stock inventory. The RC1608F1912CS serves as a standard general-purpose resistor for industrial and commercial applications requiring moisture-resistant thick film construction. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific options including automotive-qualified variants.
Substiute Parts
Key Parameters
| Parameter | Value | Substitution Relevance |
|---|---|---|
| Resistance Value | 19.1 kOhms | Critical - must match exactly |
| Tolerance | ±1% | Critical - determines circuit accuracy |
| Power Rating | 0.1W (1/10W) | Critical - thermal performance requirement |
| Package / Case | 0603 (1608 Metric) | Critical - PCB footprint compatibility |
| Composition | Thick Film | Important - electrical characteristics and reliability |
| Temperature Coefficient | ±100ppm/°C | Important - temperature stability |
| Operating Temperature Range | -55°C ~ 155°C | Important - environmental compatibility |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | Important - storage and handling requirements |
| RoHS Status | ROHS3 Compliant | Important - regulatory compliance |
Substitute Part Grouping Explanation
Substitute parts for the RC1608F1912CS are classified into two categories based on electrical and mechanical compatibility:
Direct Equivalents (Functionally Identical): Parts that match all critical parameters (resistance, tolerance, power rating, package, composition, temperature coefficient, and operating temperature range) without additional certifications or feature variations. These parts are interchangeable in standard industrial and commercial applications.
Similar Parts with Enhanced Features (Automotive-Qualified): Parts that match all critical electrical and mechanical parameters but include additional AEC-Q200 automotive qualification. These parts are suitable for automotive applications and provide enhanced reliability documentation. They are backward-compatible with non-automotive designs but may have different RoHS or REACH compliance status.
Substitution Logic: All identified substitutes maintain identical electrical specifications: 19.1 kOhms resistance, ±1% tolerance, 0.1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. All parts are packaged in 0603 (1608 Metric) format with 2 terminations. Moisture Sensitivity Level remains MSL 1 (Unlimited) across all variants. Substitution eligibility is determined by matching these core parameters; packaging format (Tape & Reel vs. Cut Tape) and manufacturer-specific certifications do not affect electrical interchangeability.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | Composition | MSL | RoHS Status | AEC-Q200 | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F1912CS | Samsung Electro-Mechanics | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | No | 1,442 |
| CR0603-FX-1912ELF | Bourns Inc. | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | No | 33,921 |
| RC0603FR-0719K1L | YAGEO | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | No | 279,980 |
| AC0603FR-0719K1L | YAGEO | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | Yes | 13,231 |
| CRCW060319K1FKEA | Vishay Dale | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | Yes | 80,106 |
| CRCW060319K1FKTA | Vishay Dale | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | RoHS Non-Compliant | Yes | 4,055 |
| ERJ-3EKF1912V | Panasonic Electronic Components | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | Yes | 102,336 |
| RMCF0603FT19K1 | Stackpole Electronics Inc | 19.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Thick Film | 1 | ROHS3 | Yes | 95,175 |
Engineering Selection Recommendations
For Standard Industrial and Commercial Applications: The CR0603-FX-1912ELF (Bourns Inc.) and RC0603FR-0719K1L (YAGEO) are direct functional equivalents to the RC1608F1912CS. Both maintain identical electrical specifications, ROHS3 compliance, and MSL 1 rating. The RC0603FR-0719K1L offers significantly higher inventory availability (279,980 units) compared to the main part (1,442 units), making it suitable for high-volume production requirements. The CR0603-FX-1912ELF provides an alternative with 33,921 units in stock.
For Automotive Applications (AEC-Q200 Required): The AC0603FR-0719K1L (YAGEO), CRCW060319K1FKEA (Vishay Dale), ERJ-3EKF1912V (Panasonic), and RMCF0603FT19K1 (Stackpole) are qualified to AEC-Q200 automotive standards while maintaining all electrical and mechanical specifications of the main part. These parts are suitable for automotive circuit designs requiring enhanced reliability documentation and traceability. The ERJ-3EKF1912V offers the highest inventory (102,336 units) among automotive-qualified options.
Compliance Considerations: The CRCW060319K1FKTA (Vishay Dale) is RoHS non-compliant and REACH-affected; this part is restricted for new designs in regulated markets and should be selected only when legacy design requirements mandate its use. All other substitutes maintain ROHS3 compliance and REACH unaffected status, consistent with the main part.
Packaging Format Selection: Tape & Reel (TR) packaging is standard for automated assembly processes. Cut Tape (CT) & Digi-Reel® packaging (RC0603FR-0719K1L and CRCW060319K1FKTA) is suitable for lower-volume manual assembly or mixed-component orders. Packaging format does not affect electrical performance or interchangeability.
Frequently Asked Questions (FAQ)
Q: Can I substitute the RC1608F1912CS with any of the listed parts without circuit redesign?
A: Yes. All listed substitute parts maintain identical electrical specifications: 19.1 kOhms resistance, ±1% tolerance, 0.1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. The 0603 (1608 Metric) package ensures PCB footprint compatibility. No circuit redesign is required for electrical substitution.
Q: What is the difference between direct equivalents and automotive-qualified parts?
A: Direct equivalents (CR0603-FX-1912ELF and RC0603FR-0719K1L) match all electrical and mechanical specifications without additional certifications. Automotive-qualified parts (AC0603FR-0719K1L, CRCW060319K1FKEA, ERJ-3EKF1912V, RMCF0603FT19K1) include AEC-Q200 qualification, providing enhanced reliability documentation and traceability required for automotive applications. Automotive-qualified parts are backward-compatible with non-automotive designs.
Q: Why is CRCW060319K1FKTA marked as RoHS non-compliant?
A: The CRCW060319K1FKTA is RoHS non-compliant and REACH-affected, indicating it does not meet current environmental regulations for new product designs in regulated markets. This part should be selected only when legacy design requirements or specific supply chain constraints mandate its use. For new designs, select ROHS3-compliant alternatives.
Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance?
A: No. Packaging format affects only handling, storage, and assembly logistics. Tape & Reel (TR) is optimized for automated pick-and-place assembly, while Cut Tape (CT) & Digi-Reel® is suitable for lower-volume or manual assembly. Electrical performance and component specifications remain identical regardless of packaging format.
Q: Which substitute part offers the best inventory availability?
A: The RC0603FR-0719K1L (YAGEO) offers the highest inventory availability with 279,980 units in stock, followed by ERJ-3EKF1912V (Panasonic) with 102,336 units. Both parts are suitable for high-volume production requirements and provide reliable supply chain alternatives to the main part.
Q: Are all substitute parts suitable for the full operating temperature range of -55°C to 155°C?
A: Yes. All substitute parts maintain the identical operating temperature range of -55°C to 155°C with ±100ppm/°C temperature coefficient. Temperature stability and thermal performance are equivalent across all listed parts.
Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?
A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. These parts do not require special moisture-controlled storage or baking procedures before soldering. Standard warehouse storage conditions are acceptable for all listed parts.
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