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SLPX392M050C3P3 Equivalent & Substitute Parts
Part Overview
The SLPX392M050C3P3 is a 3900 µF, 50 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is classified as Active product status and is designed for general-purpose applications requiring high capacitance values in compact form factors. The part operates across a temperature range of -40°C to 85°C with a rated lifetime of 3000 hours at 85°C.
Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowed specifications for this product category. Substitution becomes necessary due to inventory availability, supply chain considerations, or application-specific thermal requirements while maintaining functional compatibility.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 3900 | µF |
| Voltage - Rated | 50 | V |
| Tolerance | ±20 | % |
| ESR @ 120Hz | 119 | mOhm |
| Operating Temperature Range | -40 to 85 | °C |
| Lifetime @ Temperature | 3000 Hrs @ 85°C | Hours |
| Package Type | Radial, Can - Snap-In | Through Hole |
| Lead Spacing | 0.394" (10.00mm) | Inches (mm) |
| Diameter | 0.984" (25.00mm) | Inches (mm) |
| Height - Seated (Max) | 1.181" (30.00mm) | Inches (mm) |
Substitute Part Grouping Explanation
Substitution eligibility for the SLPX392M050C3P3 is determined by strict adherence to the following electrical and mechanical parameters:
Critical Parameters for Substitution:
- Capacitance value: 3900 µF (exact match required)
- Voltage rating: 50 V (exact match required)
- Tolerance: ±20% (exact match required)
- ESR @ 120Hz: 119 mOhm (exact match required)
- Package type: Radial, Can - Snap-In (exact match required)
- Lead spacing: 0.394" (10.00mm) (exact match required)
- Physical dimensions: 0.984" Dia × 1.181" Height (exact match required)
- Mounting type: Through Hole (exact match required)
Allowable Variation Parameters:
- Operating temperature range: May extend beyond -40°C to 85°C
- Lifetime @ temperature: May exceed 3000 Hrs @ 85°C
- Ripple current ratings: May vary within acceptable operational limits
- Manufacturer: Alternative qualified manufacturers permitted
The substitute part SLP392M050C3P3 meets all critical parameters while offering extended thermal performance characteristics.
Parameter Comparison
| Parameter | SLPX392M050C3P3 | SLP392M050C3P3 | Match Status |
|---|---|---|---|
| Manufacturer | Cornell Dubilier Electronics (CDE) | Cornell Dubilier Electronics (CDE) | Identical |
| Capacitance | 3900 µF | 3900 µF | Identical |
| Voltage - Rated | 50 V | 50 V | Identical |
| Tolerance | ±20% | ±20% | Identical |
| ESR @ 120Hz | 119 mOhm | 119 mOhm | Identical |
| Operating Temperature Range | -40°C ~ 85°C | -40°C ~ 105°C | Extended Range |
| Lifetime @ Temperature | 3000 Hrs @ 85°C | 3000 Hrs @ 105°C | Enhanced Performance |
| Ripple Current @ 120 Hz | 2.68 A | 2.2 A | Variation |
| Ripple Current @ 20 kHz | 3.35 A | 2.75 A | Variation |
| Lead Spacing | 0.394" (10.00mm) | 0.394" (10.00mm) | Identical |
| Size / Dimension | 0.984" Dia (25.00mm) | 0.984" Dia (25.00mm) | Identical |
| Height - Seated (Max) | 1.181" (30.00mm) | 1.181" (30.00mm) | Identical |
| Package / Case | Radial, Can - Snap-In | Radial, Can - Snap-In | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
| ECCN | EAR99 | EAR99 | Identical |
| HTSUS | 8532.22.0040 | 8532.22.0040 | Identical |
Engineering Selection Recommendations
SLPX392M050C3P3 Selection Criteria:
- Primary choice for applications with operating temperature ceiling of 85°C
- Suitable for standard general-purpose applications with defined thermal profiles
- Active product status with established supply chain
- ROHS3 compliant and REACH unaffected for regulatory compliance
SLP392M050C3P3 Selection Criteria:
- Extended operating temperature range (-40°C to 105°C) accommodates higher thermal environments
- Enhanced lifetime rating at elevated temperature (3000 Hrs @ 105°C) provides superior reliability in thermally demanding applications
- Active product status with higher inventory availability (2238 Pcs vs 720 Pcs)
- Identical electrical and mechanical specifications ensure direct functional compatibility
- ROHS3 compliant and REACH unaffected for regulatory compliance
Both parts maintain identical compliance certifications (ROHS3, REACH, EAR99) and tariff classifications (HTSUS 8532.22.0040), ensuring regulatory equivalence for procurement and deployment.
Frequently Asked Questions (FAQ)
Q: Can SLP392M050C3P3 be used as a direct replacement for SLPX392M050C3P3?
A: Yes. Both parts share identical capacitance (3900 µF), voltage rating (50 V), tolerance (±20%), ESR (119 mOhm @ 120Hz), package type (Radial, Can - Snap-In), lead spacing (10.00mm), and physical dimensions (0.984" Dia × 1.181" Height). The SLP392M050C3P3 offers extended thermal performance with operating temperature range to 105°C and lifetime rating at 105°C, making it functionally equivalent with enhanced thermal capability.
Q: What are the key differences between these two parts?
A: The primary differences are thermal performance characteristics. SLPX392M050C3P3 operates to 85°C with 3000-hour lifetime at that temperature. SLP392M050C3P3 extends operation to 105°C with 3000-hour lifetime at the higher temperature. Ripple current ratings also differ: SLPX392M050C3P3 provides 2.68 A @ 120 Hz and 3.35 A @ 20 kHz, while SLP392M050C3P3 provides 2.2 A @ 120 Hz and 2.75 A @ 20 kHz.
Q: Are the physical dimensions identical?
A: Yes. Both parts have identical lead spacing (0.394" / 10.00mm), diameter (0.984" / 25.00mm), and maximum seated height (1.181" / 30.00mm). They are mechanically interchangeable in through-hole PCB applications.
Q: Do both parts meet the same regulatory requirements?
A: Yes. Both SLPX392M050C3P3 and SLP392M050C3P3 are ROHS3 compliant, REACH unaffected, classified as EAR99, and share the same HTSUS tariff code (8532.22.0040).
Q: Which part should be selected for high-temperature applications?
A: SLP392M050C3P3 is the appropriate selection for applications requiring sustained operation above 85°C, as it maintains rated performance to 105°C with corresponding lifetime specifications at that elevated temperature.
Q: Are there inventory considerations between these parts?
A: SLP392M050C3P3 has higher current inventory (2238 Pcs) compared to SLPX392M050C3P3 (720 Pcs), which may influence procurement decisions based on supply chain requirements.
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