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RCS0603F104CS Equivalent & Substitute Parts
Part Overview
The RCS0603F104CS is a 100 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0201 (0603 Metric) package format. This component is rated for 0.05W (1/20W) power dissipation and features anti-sulfur and moisture-resistant construction. The part is Active in product status and widely used in compact electronic assemblies where space constraints and environmental protection are critical design requirements. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative packaging configurations or series designations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 100 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.05W (1/20W) |
| Composition | Thick Film |
| Package / Case | 0201 (0603 Metric) |
| Size / Dimension | 0.024" L x 0.012" W (0.60mm x 0.30mm) |
| Temperature Coefficient | ±250ppm/°C |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the RCS0603F104CS is determined by strict equivalence across the following critical parameters:
Electrical Specifications: Resistance value (100 kOhms), tolerance (±1%), and power rating (0.05W) must be identical. Temperature coefficient (±250ppm/°C) and operating temperature range (-55°C ~ 125°C) establish thermal performance boundaries.
Mechanical Specifications: Package type (0201 / 0603 Metric), physical dimensions (0.024" L x 0.012" W), and number of terminations (2) must match to ensure PCB footprint compatibility and assembly process compatibility.
Environmental & Compliance: RoHS3 compliance, Moisture Sensitivity Level 1, and REACH Unaffected status must be maintained. Composition (Thick Film) and moisture-resistant features establish environmental durability requirements.
Packaging Configuration: The primary distinction between the main part and substitute parts is the delivery format: Tape & Reel (TR) versus Cut Tape (CT). Both packaging types deliver identical electrical and mechanical components; the difference is in handling and assembly logistics only.
Parameter Comparison
| Parameter | RCS0603F104CS (Main Part) | RC0603F104CS (Substitute) |
|---|---|---|
| Manufacturer | Samsung Electro-Mechanics | Samsung Electro-Mechanics |
| Resistance | 100 kOhms | 100 kOhms |
| Tolerance | ±1% | ±1% |
| Power Rating | 0.05W (1/20W) | 0.05W (1/20W) |
| Composition | Thick Film | Thick Film |
| Package / Case | 0201 (0603 Metric) | 0201 (0603 Metric) |
| Size / Dimension | 0.024" L x 0.012" W (0.60mm x 0.30mm) | 0.024" L x 0.012" W (0.60mm x 0.30mm) |
| Height - Seated (Max) | 0.010" (0.26mm) | 0.010" (0.26mm) |
| Temperature Coefficient | ±250ppm/°C | ±250ppm/°C |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Number of Terminations | 2 | 2 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both RCS0603F104CS and RC0603F104CS are Active products manufactured by Samsung Electro-Mechanics with identical electrical, mechanical, and environmental specifications. Selection between these parts is determined by assembly process requirements and supply chain logistics rather than technical performance.
RCS0603F104CS (Tape & Reel): Suitable for high-volume automated assembly operations utilizing tape-fed pick-and-place equipment. Tape & Reel packaging provides continuous component feed and is optimized for production environments with established reel-handling infrastructure.
RC0603F104CS (Cut Tape): Suitable for lower-volume production, prototype development, or assembly environments utilizing manual or semi-automated placement methods. Cut Tape packaging provides flexibility in component quantity selection and is compatible with standard component trays and manual assembly workflows.
Both parts maintain ROHS3 compliance, REACH Unaffected status, and Moisture Sensitivity Level 1 (Unlimited), confirming suitability for industrial and commercial applications across the specified operating temperature range of -55°C to 125°C.
Frequently Asked Questions (FAQ)
Q: Can RC0603F104CS be used as a direct replacement for RCS0603F104CS in PCB assembly?
A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Cut Tape versus Tape & Reel). PCB footprint, solder joint performance, and electrical function are equivalent.
Q: What is the difference between Tape & Reel and Cut Tape packaging?
A: Tape & Reel (TR) delivers components on continuous plastic tape wound on reels, optimized for automated high-speed pick-and-place assembly. Cut Tape (CT) delivers components on short tape segments or in trays, suitable for manual assembly or lower-volume production. The resistor component itself is identical.
Q: Are there any environmental or compliance differences between these parts?
A: No. Both parts are ROHS3 compliant, REACH Unaffected, and rated Moisture Sensitivity Level 1 (Unlimited). Environmental performance and regulatory compliance are identical.
Q: Can these parts be mixed in the same production batch?
A: Yes, provided assembly equipment is configured to handle both packaging formats. However, mixing packaging types typically requires separate feeder setup and may reduce production efficiency. Standardizing on a single packaging format is recommended for streamlined assembly operations.
Q: What determines the choice between RCS0603F104CS and RC0603F104CS?
A: Selection is based on assembly process capability and supply chain requirements. Use RCS0603F104CS for automated reel-fed assembly lines. Use RC0603F104CS for manual assembly, prototyping, or environments where component quantity flexibility is required.
Q: Are the electrical specifications identical between these parts?
A: Yes. Resistance (100 kOhms), tolerance (±1%), power rating (0.05W), temperature coefficient (±250ppm/°C), and operating temperature range (-55°C ~ 125°C) are identical across both part numbers.
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