Overview
The 630V 473J (47nF) CBB capacitor is a metallized polypropylene film capacitor known for its exceptional electrical stability. CBB capacitors are preferred in circuits where low loss and high insulation resistance are critical. This specific 473J model offers a 10mm lead pitch, making it perfectly compatible with standard PCB layouts. Whether you are repairing an industrial power supply or fine-tuning a resonant circuit, this capacitor provides the reliability and safety margin needed for high-voltage environments.
Key Features
High Voltage Resilience: Rated for 630V DC, providing a significant safety buffer for 220V AC rectified circuits.
Low Dielectric Loss: Minimal energy loss even at high frequencies, preventing heat buildup.
Self-Healing Technology: Built to survive minor internal breakdowns by “healing” the dielectric layer, ensuring a long operational life.
Non-Polarized Design: Can be installed in any orientation, making it versatile for complex AC and DC circuits.
Flame Retardant Coating: Encased in a rugged epoxy resin that meets safety standards for heat and moisture resistance.
Technical Specifications
| Feature | Specification |
| Model Code | 473J (CBB21/CBB22) |
| Capacitance | 0.047 $\mu$F (47nF) |
| Voltage Rating | 630V DC |
| Tolerance | $\pm 5\%$ (J) |
| Dielectric Material | Metallized Polypropylene Film |
| Lead Pitch (P) | 10 mm |
| Operating Temp | -40°C to +105°C |
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