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CBB20 3uF 250V AC Axial Film Capacitor for Audio equipment
- Model NO.
- CBB20 3uF 250V
- Price:
- US $ 0.12~0.16 / pieces
- Delivery
- EXW/FOB/CIF/DDP
- Minimum order quantity
- 1000 pieces
- Supply Ability
- 40000000 pieces / Month
- Country of Origin
- China
- Stock Time
- 20 Days
Quantity:
I. Product Description
MKP (Metallized Polypropylene) and MPT (Metallized Polypropylene Tubular) are axial metallized film capacitors using polypropylene (PP) film as the dielectric with surface-evaporated metal electrodes and non-inductive structures.
- MKP: Typically cylindrical or flat with axial leads, suitable for high-precision and high-frequency circuits.
- MPT: Tubular design with polyester tape wrapping and epoxy resin-sealed ends, ideal for high-pulse and high-voltage applications.
II. Key Features
| Characteristics | MKP | MPT |
|---|---|---|
| Dielectric Material | Polypropylene Film | Polypropylene Film |
| Structure | Non-Inductive Winding | Non-Inductive Tubular Winding |
| Self-Healing Property | Excellent | Excellent |
| Loss Factor (tanδ) | Extremely Low (<0.001) | Low (<0.001) |
| Insulation Resistance | High (>30,000 MΩ) | High (>25,000 MΩ) |
| Temperature Range | -55℃ to +105℃ | -40℃ to +105℃ |
III. Main Applications
- MKP:
- Pulse circuits, switch-mode power supplies (SMPS), thyristor protection.
- Filtering, energy storage, timing, and sample-hold circuits.
- Hi-Fi audio equipment (coupling, decoupling).
- MPT:
- Audio devices (crossovers, power amplifiers).
- Motor starting and running control.
- High-voltage pulse circuits, electronic ballasts.
IV. Outline Drawing
- Structure: Axial lead design with direct connection between end electrodes and metallized film.
- Packaging: Polyester tape wrapping with epoxy resin-sealed ends for moisture and vibration resistance.
- Dimensions: Cylindrical diameter typically 5.5~20mm, length 14~58mm (varies by model).
V. Product Parameters (Table)
| Parameter | MKP (Example: MKP1839) | MPT (Example: Fcap-MPT-01) |
|---|---|---|
| Capacitance Range | 47pF~22μF | 0.001μF~10μF |
| Voltage Range | 160V~630V DC/AC | 100V~630V DC/AC |
| Tolerance | ±1%, ±2% (E96 series available) | ±5%, ±10% |
| Temperature Range | -55℃ to +105℃ | -40℃ to +105℃ |
| ESR | Extremely Low (<1Ω) | Low (varies by model) |
| Pulse Handling | High | High |
VI. Application Fields
- Power Electronics: Switch-mode power supplies, high-voltage filtering, thyristor protection.
- Consumer Electronics: Audio equipment (power amplifiers, crossovers), TVs (S-correction, flyback circuits).
- Industrial Control: Motor drives, electronic ballasts, welding machines.
- New Energy: Solar inverters, energy storage systems.
Note: Specific parameters are subject to the manufacturer’s datasheet. Variations may exist between models.
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