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RCS0603J273CS Equivalent & Substitute Parts
Part Overview
The RCS0603J273CS is a 27 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.05W (1/20W) in a 0201 (0603 Metric) package. This component is designed for high-density surface mount applications requiring anti-sulfur and moisture-resistant characteristics. The part maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 27 kOhms |
| Tolerance | ±5% |
| Power Rating | 0.05W (1/20W) |
| Composition | Thick Film |
| Package / Case | 0201 (0603 Metric) |
| Temperature Coefficient | ±250ppm/°C |
| Operating Temperature Range | -55°C ~ 125°C |
| Size / Dimension | 0.024" L x 0.012" W (0.60mm x 0.30mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RCS0603J273CS is determined by strict alignment of the following parameters:
Critical Electrical Parameters:
- Resistance value: 27 kOhms
- Tolerance: ±5%
- Power rating: 0.05W (1/20W)
- Temperature coefficient: ±250ppm/°C
- Operating temperature range: -55°C ~ 125°C
Critical Mechanical Parameters:
- Package type: 0201 (0603 Metric)
- Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
- Number of terminations: 2
Compliance Requirements:
- RoHS3 compliance
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Unaffected status
The identified substitute RC0603J273CS meets all critical electrical and mechanical parameters. Packaging format differences (Tape & Reel versus Cut Tape) do not affect functional equivalence and represent logistics variations only.
Parameter Comparison
| Parameter | RCS0603J273CS (Main Part) | RC0603J273CS (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Samsung Electro-Mechanics | Samsung Electro-Mechanics | Identical |
| Resistance | 27 kOhms | 27 kOhms | Identical |
| Tolerance | ±5% | ±5% | Identical |
| Power Rating | 0.05W (1/20W) | 0.05W (1/20W) | Identical |
| Composition | Thick Film | Thick Film | Identical |
| Temperature Coefficient | ±250ppm/°C | ±250ppm/°C | Identical |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | Identical |
| Package / Case | 0201 (0603 Metric) | 0201 (0603 Metric) | Identical |
| 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) | Identical |
| Height - Seated (Max) | 0.010" (0.25mm) | 0.010" (0.26mm) | Compatible |
| Number of Terminations | 2 | 2 | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Identical |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) | Different |
Engineering Selection Recommendations
The RC0603J273CS qualifies as a direct functional equivalent to the RCS0603J273CS based on identical electrical specifications, mechanical dimensions, and compliance certifications. Both components are manufactured by Samsung Electro-Mechanics and maintain Active product status with ROHS3 compliance and unlimited moisture sensitivity rating.
The primary distinction between these parts is packaging format: RCS0603J273CS is supplied in Tape & Reel format, while RC0603J273CS is supplied in Cut Tape format. This difference reflects supply chain and assembly process requirements rather than component performance characteristics. Selection between these variants depends on production equipment compatibility and inventory management protocols.
Both parts exhibit identical temperature coefficient performance (±250ppm/°C) and operate across the full -55°C ~ 125°C temperature range. The marginal height variation (0.25mm versus 0.26mm seated height) falls within standard PCB assembly tolerances and does not impact functional performance or board-level compatibility.
Frequently Asked Questions (FAQ)
Q: Can RC0603J273CS be used as a direct replacement for RCS0603J273CS in production assembly?
A: Yes. Both components share identical electrical specifications (27 kOhms ±5%, 0.05W), mechanical dimensions (0.024" L x 0.012" W), and compliance certifications (ROHS3, REACH Unaffected). The packaging format difference (Cut Tape versus Tape & Reel) requires compatibility verification with your specific pick-and-place equipment.
Q: What is the significance of the packaging format difference?
A: Packaging format (Tape & Reel versus Cut Tape) affects supply logistics and assembly line integration but does not alter component electrical or mechanical performance. Equipment compatibility must be confirmed with your manufacturing operations team.
Q: Are the height specifications compatible for PCB assembly?
A: Yes. The seated height variation between 0.25mm and 0.26mm is within standard PCB assembly tolerances and does not impact reflow soldering, component placement accuracy, or board-level clearance requirements.
Q: Do both parts meet the same compliance requirements?
A: Yes. Both RCS0603J273CS and RC0603J273CS are ROHS3 compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating.
Q: What determines substitution eligibility for this resistor category?
A: Substitution is valid when resistance value, tolerance, power rating, temperature coefficient, operating temperature range, package type, physical dimensions, and compliance certifications are identical. Packaging format variations do not affect functional equivalence.
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