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23FD3308-F Film Capacitor Equivalent & Substitute Parts
Part Overview
The 23FD3308-F is an 8 µF film capacitor rated for 330V AC operation, manufactured by Cornell Dubilier Electronics (CDE) in the MPF series. This component is designed for motor run and power factor correction (PFC) applications, featuring a polypropylene metallized dielectric with radial can packaging and quick connect/disconnect termination.
The 23FD3308-F is classified as obsolete. Locating equivalent substitute parts is necessary to maintain system functionality and ensure continued availability for replacement and repair applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 8 µF |
| Tolerance | ±10% |
| Voltage Rating (AC) | 330V |
| Dielectric Material | Polypropylene (PP), Metallized |
| Operating Temperature Range | -40°C ~ 70°C |
| Mounting Type | Chassis Mount, Requires Holder/Bracket |
| Package / Case | Radial, Can |
| Termination Type | Quick Connect, Disconnect |
| Lead Spacing | 0.813" (20.64mm) |
| Applications | Motor Run; Power Factor Correction (PFC) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the 23FD3308-F is determined by strict equivalence across the following critical parameters:
- Capacitance Value: 8 µF (exact match required)
- Tolerance: ±10% (exact match required)
- Voltage Rating (AC): 330V (exact match required)
- Dielectric Material: Polypropylene (PP), Metallized (exact match required)
- Operating Temperature Range: -40°C ~ 70°C (exact match required)
- Mounting Type: Chassis Mount, Requires Holder/Bracket (exact match required)
- Package / Case: Radial, Can (exact match required)
- Termination Type: Quick Connect, Disconnect (exact match required)
- Lead Spacing: 0.813" (20.64mm) (exact match required)
The substitute part 23FD3308A-F meets all critical electrical and mechanical parameters. Minor dimensional variations in seated height do not affect functional compatibility within the specified mounting and application constraints.
Parameter Comparison
| Parameter | 23FD3308-F (Main Part) | 23FD3308A-F (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Cornell Dubilier Electronics (CDE) | Cornell Dubilier Electronics (CDE) | Identical |
| Series | MPF | MPF | Identical |
| Capacitance | 8 µF | 8 µF | Identical |
| Tolerance | ±10% | ±10% | Identical |
| Voltage Rating (AC) | 330V | 330V | Identical |
| Dielectric Material | Polypropylene (PP), Metallized | Polypropylene (PP), Metallized | Identical |
| Operating Temperature Range | -40°C ~ 70°C | -40°C ~ 70°C | Identical |
| Mounting Type | Chassis Mount, Requires Holder/Bracket | Chassis Mount, Requires Holder/Bracket | Identical |
| Package / Case | Radial, Can | Radial, Can | Identical |
| Size / Dimension | 2.125" Dia (53.98mm), Lip | 2.125" Dia (53.98mm), Lip | Identical |
| Height - Seated (Max) | 2.880" (73.15mm) | 2.630" (66.80mm) | Compatible Variation |
| Lead Spacing | 0.813" (20.64mm) | 0.813" (20.64mm) | Identical |
| Termination | Quick Connect, Disconnect | Quick Connect, Disconnect | Identical |
| Applications | Motor Run; Power Factor Correction (PFC) | Motor Run; Power Factor Correction (PFC) | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Identical |
| ECCN | EAR99 | EAR99 | Identical |
| HTSUS | 8532.25.0020 | 8532.25.0020 | Identical |
| Product Status | Obsolete | Active | Substitute is Active |
Engineering Selection Recommendations
The 23FD3308A-F is a direct functional equivalent to the 23FD3308-F. Both components are manufactured by Cornell Dubilier Electronics within the MPF series and share identical electrical specifications, dielectric composition, and mechanical mounting characteristics.
The 23FD3308A-F carries Active product status, whereas the 23FD3308-F is Obsolete. This status difference makes the 23FD3308A-F the appropriate selection for new designs, repairs, and system replacements requiring long-term component availability.
Both parts maintain ROHS3 compliance and identical export classification (EAR99), ensuring regulatory consistency across applications. The seated height variation (2.880" versus 2.630") represents a reduction that does not compromise mechanical fit within chassis mount configurations requiring holder/bracket support.
Inventory availability shows 956 units of the 23FD3308A-F in stock compared to 1054 units of the obsolete 23FD3308-F, supporting continued supply for motor run and power factor correction applications.
Frequently Asked Questions (FAQ)
Q: Can the 23FD3308A-F replace the 23FD3308-F in existing installations?
A: Yes. The 23FD3308A-F is electrically and mechanically equivalent. Both components share identical capacitance (8 µF), voltage rating (330V AC), tolerance (±10%), dielectric material (polypropylene metallized), operating temperature range (-40°C ~ 70°C), lead spacing (0.813"), and termination type (quick connect/disconnect). The seated height difference (2.630" versus 2.880") is compatible with standard chassis mount configurations.
Q: What is the significance of the product status difference?
A: The 23FD3308-F is classified as Obsolete, indicating discontinued manufacturing and limited future availability. The 23FD3308A-F maintains Active status, ensuring continued production and supply. For applications requiring long-term component sourcing, the 23FD3308A-F is the appropriate selection.
Q: Are there any compliance or certification differences between these parts?
A: No. Both components are ROHS3 compliant, carry identical ECCN classification (EAR99), and share the same HTSUS code (8532.25.0020). Moisture sensitivity level is identical (MSL 1 - Unlimited) for both parts.
Q: What applications are these capacitors designed for?
A: Both the 23FD3308-F and 23FD3308A-F are specified for motor run applications and power factor correction (PFC) circuits. The 330V AC rating and 8 µF capacitance support these industrial and commercial electrical system functions.
Q: Does the packaging difference affect substitution?
A: The 23FD3308-F is packaged individually, while the 23FD3308A-F is supplied in bulk packaging. This difference does not affect electrical or mechanical compatibility. Packaging selection depends on procurement and inventory management requirements rather than functional performance.
Q: Are dimensional specifications critical for mounting?
A: The radial can package with 0.813" lead spacing is standardized across both parts. Both require chassis mount configuration with holder/bracket support. The seated height variation (2.630" versus 2.880") is within acceptable tolerance for standard mounting hardware and does not require design modification.
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