Screw Terminal Aluminum Electrolytic Capacitor 3300uF 450V
This screw-terminal aluminum electrolytic capacitor rated at 3300 µF and 450 V is engineered for bulk energy storage and smoothing in high-voltage DC systems. Its robust format uses an aluminum can, wound foil dielectric, and screw-terminal posts to handle heavy current and secure mounting. The 450 V rating provides ample margin for demanding power-electronic circuits and DC link applications.
When placed in service, the capacitor buffers the DC bus by absorbing and supplying surge currents, reducing ripple and mitigating voltage fluctuations. Its screw-terminal format ensures low-impedance paths, enabling efficient handling of high ripple currents and large bursts, making it well suited for power converters, industrial supplies or renewable-energy inverters.
Mechanically, the unit is substantially sized to accommodate 3300 µF at 450 V, often with a large diameter and height. The screw-posts allow heavy lug or bus-bar connection versus simple leads. Because aluminum electrolytic capacitors rely on electrolyte volume and their life is affected by temperature, ripple current and mounting, proper cooling, secure mechanical fixation and derating are important for long-term reliability in such demanding applications.
Features:
- Screw-terminal posts for strong, low-impedance electrical connection.
- High capacitance of 3300 µF at a 450 V DC rating.
- Polarized aluminum-electrolytic construction designed for DC applications.
- Bulk energy storage and smoothing capability for high-voltage systems.
- Low-impedance connection format to support high ripple-current and surge demands.
- Robust mechanical packaging optimized for industrial/power-electronics use.
- Suitable for heavy mounting, bus-bar attachment and demanding environments.
- Long-life design when temperature, ripple current and voltage are appropriately managed.
Specifications:
| Specification | Typical / example value |
|---|---|
| Capacitance: | 3300 µF |
| Rated voltage: | 450 VDC |
| Capacitance tolerance: | ±20% (typical for large screw-terminal types) |
| Case/terminal style: | Screw-terminal mounting |
| Example size (diameter × height): | ~ 65 mm × 104.8 mm (one model) |
| Equivalent Series Resistance (ESR): | ~ 55 mΩ (one model) |
| Leakage current example: | ~ 2.97 mA (one model) |
| Operating temperature range: | –40 °C to +85 °C (example) |
| Life rating example: | 5 000 h at +85 °C (one model) |
Applications:
- DC link capacitor in high-voltage converters.
- High-voltage power supply filter capacitor.
- Inverter and motor-drive energy storage capacitor.
- Surge and transient current buffering in industrial electronics.
Package Contents:
- 1x Screw Terminal Aluminum Electrolytic Capacitor 3300uF 450V
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