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CAS17C152KARGC Equivalent & Substitute Parts
Part Overview
The CAS17C152KARGC is a 1500 pF ceramic capacitor manufactured by KEMET, rated for 250VAC operation with X7R temperature coefficient characteristics. This surface mount multilayer ceramic capacitor (MLCC) is designed for safety applications and is classified with X2 ratings. The part is currently in active production status with robust inventory availability. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility for applications requiring this specific capacitance and voltage rating.
Substiute Parts
Key Parameters
| Parameter | Value | Significance for Substitution |
|---|---|---|
| Capacitance | 1500 pF | Core electrical specification; must match exactly |
| Voltage Rating | 250VAC | Safety and reliability requirement; must match or exceed |
| Temperature Coefficient | X7R | Defines capacitance stability across operating range; must match |
| Tolerance | ±10% | Acceptable capacitance variation; must match or be tighter |
| Package / Case | 1808 (4520 Metric) | Physical footprint for PCB mounting; must match |
| Mounting Type | Surface Mount, MLCC | Assembly process compatibility; must match |
| Operating Temperature Range | -55°C ~ 125°C | Environmental performance specification; must match or exceed |
| Safety Rating | X2 | Safety classification for specific applications; must match |
| RoHS Compliance | ROHS3 Compliant | Regulatory requirement; must match |
| Moisture Sensitivity Level | 1 (Unlimited) | Handling and storage requirements; must match or be less restrictive |
Substitute Part Grouping Explanation
Substitute parts for the CAS17C152KARGC are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic requires exact matching of the following parameters:
Mandatory Matching Parameters:
- Capacitance value: 1500 pF
- Voltage rating: 250VAC
- Temperature coefficient: X7R
- Tolerance: ±10%
- Package designation: 1808 (4520 Metric)
- Mounting type: Surface Mount, MLCC
- Operating temperature range: -55°C ~ 125°C
- Safety rating: X2
- RoHS compliance status: ROHS3 Compliant
- Moisture sensitivity level: 1 (Unlimited)
The SAFC1808X7R202-152KNE from Venkel meets all mandatory parameters and is classified as a direct equivalent. Both parts share identical electrical specifications and are housed in the same physical package with compatible dimensions and thickness specifications. Both parts are active products with established supply chains.
Parameter Comparison
| Parameter | CAS17C152KARGC (KEMET) | SAFC1808X7R202-152KNE (Venkel) | Match Status |
|---|---|---|---|
| Capacitance | 1500 pF | 1500 pF | Exact Match |
| Tolerance | ±10% | ±10% | Exact Match |
| Voltage Rating | 250VAC | 250VAC | Exact Match |
| Temperature Coefficient | X7R | X7R | Exact Match |
| Operating Temperature Range | -55°C ~ 125°C | -55°C ~ 125°C | Exact Match |
| Safety Rating | X2 | X2 | Exact Match |
| Package / Case | 1808 (4520 Metric) | 1808 (4520 Metric) | Exact Match |
| Mounting Type | Surface Mount, MLCC | Surface Mount, MLCC | Exact Match |
| Physical Dimensions (Length) | 0.177" (4.50mm) | 0.181" (4.60mm) | Compatible |
| Physical Dimensions (Width) | 0.080" (2.03mm) | 0.079" (2.00mm) | Compatible |
| Thickness (Max) | 0.087" (2.20mm) | 0.087" (2.20mm) | Exact Match |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Exact Match |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Exact Match |
| Product Status | Active | Active | Exact Match |
Engineering Selection Recommendations
Both the CAS17C152KARGC and SAFC1808X7R202-152KNE are active production parts with full ROHS3 compliance and identical electrical specifications. Selection between these parts is based on availability, supply chain considerations, and inventory status rather than technical performance differences.
The CAS17C152KARGC from KEMET is the primary part specification with 1473 units in current inventory. The SAFC1808X7R202-152KNE from Venkel serves as a direct substitute with 6748 units available, providing enhanced supply security for applications requiring this capacitor value.
Both parts are suitable for safety applications with X2 ratings and operate across the full -55°C to 125°C temperature range. Physical dimensions are compatible within standard PCB assembly tolerances, with minor variations in length and width that do not affect mounting or performance. Maximum thickness specifications are identical at 0.087 inches (2.20mm).
Frequently Asked Questions (FAQ)
Q: Can the SAFC1808X7R202-152KNE be used as a direct replacement for the CAS17C152KARGC?
A: Yes. Both parts are electrically and mechanically equivalent. They share identical capacitance (1500 pF), voltage rating (250VAC), temperature coefficient (X7R), tolerance (±10%), package designation (1808), and safety rating (X2). Physical dimensions are compatible within standard assembly tolerances.
Q: Are there any differences in the physical dimensions between these parts?
A: Minor dimensional variations exist. The CAS17C152KARGC measures 0.177" L × 0.080" W (4.50mm × 2.03mm), while the SAFC1808X7R202-152KNE measures 0.181" L × 0.079" W (4.60mm × 2.00mm). Both have identical maximum thickness of 0.087" (2.20mm). These variations are within standard PCB assembly tolerances and do not affect functionality or mounting compatibility.
Q: Do both parts meet the same regulatory and compliance standards?
A: Yes. Both the CAS17C152KARGC and SAFC1808X7R202-152KNE are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings. Both are classified with X2 safety ratings for safety applications.
Q: What is the operating temperature range for these capacitors?
A: Both parts operate across the identical temperature range of -55°C to 125°C with X7R temperature coefficient characteristics, ensuring stable capacitance performance throughout this range.
Q: Can these parts be used interchangeably in existing designs?
A: Yes. The electrical specifications, package footprint, and safety ratings are identical. No design modifications are required for substitution. Standard PCB assembly processes apply to both parts.
Q: What is the significance of the X7R temperature coefficient?
A: X7R indicates that capacitance variation is limited to ±15% across the -55°C to 125°C operating range. This provides stable performance across wide temperature variations, making these parts suitable for industrial and safety-critical applications.
Q: Are there any differences in moisture sensitivity between these parts?
A: No. Both parts have MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply to both parts.
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