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RCS2012F1744CS Equivalent & Substitute Parts
Part Overview
The RCS2012F1744CS is a 1.74 MOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1.74 MOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RCS2012F1744CS are qualified based on the following criteria:
Electrical Parameters (Must Match):
- Resistance value: 1.74 MOhms
- Tolerance: ±1%
- Power rating: 0.125W (1/8W)
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
Mechanical Parameters (Must Match):
- Package type: 0805 (2012 Metric)
- Number of terminations: 2
- Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
Compliance Parameters (Must Match):
- RoHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
All identified substitute parts meet these criteria. Variations in height (seated maximum) and packaging format (Tape & Reel vs. Cut Tape) do not affect electrical or functional compatibility.
Parameter Comparison
| Parameter | RCS2012F1744CS (Samsung) | CRCW08051M74FKEA (Vishay Dale) | ERJ-6ENF1744V (Panasonic) | RC0805FR-071M74L (YAGEO) |
|---|---|---|---|---|
| Resistance | 1.74 MOhms | 1.74 MOhms | 1.74 MOhms | 1.74 MOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W | 0.125W | 0.125W | 0.125W |
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.020" (0.50mm) | 0.028" (0.70mm) | 0.024" (0.60mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active |
Engineering Selection Recommendations
All three substitute parts are functionally equivalent to the RCS2012F1744CS based on electrical and mechanical specifications. Selection among these alternatives depends on application-specific requirements:
CRCW08051M74FKEA (Vishay Dale): Features Automotive AEC-Q200 qualification. Lowest seated height (0.020"). Suitable for automotive applications requiring AEC-Q200 certification.
ERJ-6ENF1744V (Panasonic): Features Automotive AEC-Q200 qualification. Highest seated height (0.028"). Suitable for automotive applications requiring AEC-Q200 certification.
RC0805FR-071M74L (YAGEO): Moisture-resistant thick film composition. Mid-range seated height (0.024"). Suitable for general industrial applications with moisture exposure concerns.
All parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and REACH unaffected status. Product status is Active for all alternatives, ensuring continued availability and supply chain stability.
Frequently Asked Questions (FAQ)
Q: Can CRCW08051M74FKEA replace RCS2012F1744CS in non-automotive applications?
A: Yes. The AEC-Q200 automotive qualification of CRCW08051M74FKEA does not restrict its use in non-automotive circuits. All electrical and mechanical parameters are equivalent.
Q: What is the significance of the height difference between substitute parts?
A: Seated height variations (0.020" to 0.028") are within acceptable tolerances for 0805 package components. Height differences do not affect electrical performance. Verify PCB design clearance requirements if space constraints exist.
Q: Are all substitute parts available in Tape & Reel packaging?
A: CRCW08051M74FKEA is available in Cut Tape (CT) & Digi-Reel® format. ERJ-6ENF1744V and RC0805FR-071M74L are available in Tape & Reel (TR) format. Packaging format does not affect component functionality.
Q: Do substitute parts maintain the same moisture resistance characteristics?
A: All parts have MSL 1 (Unlimited) rating. RCS2012F1744CS and RC0805FR-071M74L explicitly feature moisture-resistant composition. CRCW08051M74FKEA and ERJ-6ENF1744V do not specify moisture resistance in their feature set, though MSL 1 rating applies to all.
Q: Which substitute part has the highest inventory availability?
A: ERJ-6ENF1744V (Panasonic) has 50,326 pieces in stock. CRCW08051M74FKEA (Vishay Dale) has 10,566 pieces. RC0805FR-071M74L (YAGEO) has 9,854 pieces.
Q: Are all parts REACH compliant?
A: Yes. All parts maintain REACH Unaffected status, indicating compliance with REACH regulations.
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