Screw Terminal Aluminum Electrolytic Capacitor 4700uF 450V
The screw-terminal aluminum electrolytic capacitor rated at 4700 µF and 450 V is engineered for demanding DC-link or high-voltage smoothing roles. It incorporates a robust aluminum can housing, a wound aluminum-foil dielectric and liquid electrolyte, combined with screw-post terminals to allow secure, heavy-duty connections. With a 450 V rating, it offers considerable head-room for converter, inverter and industrial power-electronics environments.
In operation, this capacitor serves as a bulk energy reservoir: it smooths substantial DC bus voltages, absorbs switching transients, delivers surge current, and mitigates ripple. The screw-terminal format ensures low internal resistance and inductance, facilitating rapid charge/discharge paths and making it suited for circuits with high ripple current and dynamic loads. Its form factor supports integration in power-electronic modules, traction drives or large UPS systems.
Mechanically this type is larger than lower-voltage equivalents, often with significant diameter and height to accommodate the capacitance and voltage rating. The screw posts suit lug, bus-bar or heavy-gauge connections rather than point leads. Because the lifetime of aluminum electrolytic capacitors is influenced by factors such as operating temperature, ripple current and mounting technique, careful thermal management, secure mechanical fixation and proper derating are key to achieving longevity and reliable performance in heavy-duty applications.
Features:
- Screw-terminal posts for strong, low-impedance electrical connection.
- High capacitance of 4700 µF at a 450 V DC rating.
- Polarized aluminum-electrolytic construction designed for DC link and high-voltage smoothing.
- Bulk energy-storage capability for large industrial or power-electronic systems.
- Low-impedance connection format enabling high ripple-current and surge handling.
- Robust mechanical packaging suitable for heavy mounting and bus-bar connections.
- Suitable for integration in demanding power-electronic systems where voltage stability and transient handling are critical.
- Designed for reliable service when properly used and cooled in industrial conditions.
Specifications:
| Specification | Typical/example value |
|---|---|
| Capacitance: | 4700 µF |
| Rated voltage: | 450 VDC |
| Capacitance tolerance: | ± 20% |
| Termination style: | Screw-terminal posts |
| Example ESR: | ~ 0.024 Ω (for one 4 700 µF/450 V screw-term device) |
| Example ripple current: | ~ 13.8 A (for one model at 450 V) |
| Operating temperature range: | –40 °C to +85 °C (example value) |
| Lifetime rating: | 12 000 h at +85 °C (for one model, 4 700 µF/450 V) |
Applications:
- DC link smoothing in high-voltage converters.
- Power supply filter capacitor for 400 – 450 V circuits.
- Inverter and motor-drive energy-storage capacitor.
- Surge and transient current buffering in industrial power systems.
Package Contents:
- 1x Screw Terminal Aluminum Electrolytic Capacitor 4700uF 450V
Reviews
There are no reviews yet.