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RC1608F112CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F112CS is a 1.1 kOhms ±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 ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1.1 kOhms |
| 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 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F112CS is determined by strict equivalence across the following critical parameters:
Electrical Parameters: Resistance value (1.1 kOhms), tolerance (±1%), and power rating (0.1W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.
Mechanical Parameters: Package designation (0603 / 1608 Metric) and number of terminations (2) ensure physical and electrical compatibility with PCB footprints and assembly processes.
Environmental & Compliance Parameters: Moisture Sensitivity Level 1 (Unlimited), ROHS3 compliance, and thick film composition define material and regulatory compatibility.
Substitute parts are grouped into two categories:
Direct Equivalents: Parts matching all electrical, mechanical, and environmental specifications without additional certifications.
Functionally Equivalent with Enhanced Ratings: Parts meeting all base specifications with additional automotive AEC-Q200 certification, providing equivalent or superior performance in standard applications.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | MSL | RoHS Status | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F112CS | Samsung Electro-Mechanics | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Active | Tape & Reel |
| CR0603-FX-1101ELF | Bourns Inc. | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Active | Tape & Reel |
| AC0603FR-071K1L | YAGEO | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Active | Tape & Reel |
| CRCW06031K10FKEA | Vishay Dale | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Active | Cut Tape & Digi-Reel |
| CRCW06031K10FKEB | Vishay Dale | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Discontinued | Tape & Reel |
| CRCW06031K10FKTA | Vishay Dale | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | RoHS Non-compliant | Active | Tape & Reel |
| ERJ-3EKF1101V | Panasonic Electronic Components | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Active | Tape & Reel |
| RMCF0603FT1K10 | Stackpole Electronics Inc | 1.1 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55 ~ 155°C | 1 | ROHS3 | Active | Tape & Reel |
Engineering Selection Recommendations
Primary Substitutes (Recommended for New Designs):
CR0603-FX-1101ELF (Bourns Inc.) and ERJ-3EKF1101V (Panasonic Electronic Components) are direct functional equivalents with Active product status and full ROHS3 compliance. Both maintain identical electrical and thermal specifications with MSL 1 rating. ERJ-3EKF1101V offers the highest inventory availability (229,040 units) and includes AEC-Q200 automotive certification, providing enhanced reliability margin for general-purpose applications.
Secondary Substitutes (Functionally Equivalent):
AC0603FR-071K1L (YAGEO), CRCW06031K10FKEA (Vishay Dale), and RMCF0603FT1K10 (Stackpole Electronics Inc) meet all electrical and mechanical specifications with ROHS3 compliance and Active product status. AC0603FR-071K1L and RMCF0603FT1K10 include AEC-Q200 automotive qualification. CRCW06031K10FKEA is available in Cut Tape & Digi-Reel packaging, offering alternative supply chain options.
Not Recommended for New Designs:
CRCW06031K10FKEB (Vishay Dale) carries Discontinued status at DiGi Electronics and should not be selected for new production. CRCW06031K10FKTA (Vishay Dale) is RoHS non-compliant and REACH-affected, restricting use in regulated markets and applications requiring environmental compliance certification.
Frequently Asked Questions (FAQ)
Q: Can CR0603-FX-1101ELF replace RC1608F112CS directly in existing designs?
A: Yes. CR0603-FX-1101ELF is a direct functional equivalent. Both components share identical resistance (1.1 kOhms), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and MSL 1 rating. Physical dimensions and termination count are equivalent, ensuring PCB footprint compatibility without design modification.
Q: What is the difference between CRCW06031K10FKEA and CRCW06031K10FKEB?
A: Both parts are electrically and mechanically identical with matching specifications. The primary difference is product status: CRCW06031K10FKEA is Active with Cut Tape & Digi-Reel packaging, while CRCW06031K10FKEB is Discontinued at DiGi Electronics with Tape & Reel packaging. CRCW06031K10FKEA is the recommended choice for ongoing supply continuity.
Q: Why is CRCW06031K10FKTA listed if it is RoHS non-compliant?
A: CRCW06031K10FKTA is included for reference in applications where RoHS compliance is not required. However, it is not recommended for new designs or regulated markets. For all standard applications, select ROHS3-compliant alternatives such as CR0603-FX-1101ELF, AC0603FR-071K1L, or ERJ-3EKF1101V.
Q: Do all substitute parts support the same operating temperature range?
A: Yes. All listed substitute parts operate across the identical temperature range of -55°C to 155°C with ±100ppm/°C temperature coefficient, ensuring thermal performance equivalence across the full operating envelope.
Q: Which substitute offers the best inventory availability?
A: ERJ-3EKF1101V (Panasonic Electronic Components) provides the highest inventory level at 229,040 units in stock. This part is Active, ROHS3-compliant, and includes AEC-Q200 automotive certification, making it suitable for both standard and automotive-grade applications.
Q: Are there packaging differences between substitute parts?
A: Yes. Most substitutes are supplied in Tape & Reel (TR) packaging. CRCW06031K10FKEA is available in Cut Tape (CT) & Digi-Reel® format, offering alternative supply chain logistics. All packaging formats are compatible with standard SMD assembly equipment for the 0603 package.
Q: Can I use an AEC-Q200 certified part as a substitute in non-automotive applications?
A: Yes. AEC-Q200 certification indicates enhanced reliability testing and qualification. Parts such as AC0603FR-071K1L, CRCW06031K10FKEA, ERJ-3EKF1101V, and RMCF0603FT1K10 with AEC-Q200 rating are fully compatible with standard industrial and consumer applications, providing equivalent or superior performance margins.
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