Overview
The CDE CP70E1FG405K is a premium paper-in-oil capacitor designed for demanding industrial and electronics applications requiring stable DC energy storage and filtering. With a capacitance rating of 4µF and voltage rating of 1000VDC, this unit delivers reliable performance in power supplies, DC link circuits, and high-voltage filter applications. The hermetically sealed construction provides superior protection against moisture ingress and environmental contaminants, making it ideal for long-term operation in harsh operating conditions.
Key Features
- Capacitance: 4µF with ±10% tolerance
- Voltage Rating: 1000VDC nominal
- Hermetically Sealed: Protects against moisture and environmental degradation
- Paper-in-Oil Dielectric: Time-proven technology for high-voltage DC applications
- Radial Termination: Plug-and-play radial leads for easy installation
- Industrial-Grade Reliability: Manufactured by Cornell Dubilier, a leader in power electronics capacitors
Technical Specifications
- Capacitance Rating: 4µF
- Voltage Rating: 1000VDC
- Tolerance: ±10%
- Dielectric Type: Paper-in-Oil
- Termination Style: Radial leads
- Sealing: Hermetically sealed
- Case Material: Aluminum or epoxy enclosure
- Approximate Dimensions: 3.73″ L × 1.26″ W × 3.84″ H (based on similar units)
- Manufacturer: Cornell Dubilier (CDE)
- Series: CP70E
Typical Applications
- Power supply filtering and energy storage in industrial electronics
- DC link capacitors in variable frequency drives and motor controllers
- High-voltage energy accumulation in test equipment and laboratory instruments
- Harmonic filtering and power factor correction circuits
- Telecommunications and broadcast transmission equipment
- Medical and industrial X-ray power supplies
Compatibility & Replacements
Compatible With
- Industrial power supplies and switching power supplies rated 1000VDC
- High-voltage DC circuits and energy storage systems
- Test and measurement equipment requiring stable DC filtering
- Motor control and drive systems with DC bus architectures
Replaces / Drop-In Replacement For
- CP70B1EG405K (CDE equivalent variant)
- CP70E1FG405K1 (extended lead variant)
- Sprague 4µF 1000V oil-filled radial capacitors with similar form factor
- Other paper-in-oil 4µF 1000VDC units with radial termination and hermetic sealing
Works With
- Analog and digital power circuit designs
- Industrial control systems and PLC applications
- RF and high-frequency power applications
- Discrete component-based circuit boards
- Legacy industrial equipment and retrofits
