Overview
The General Instrument CP70B1FF205K is a vintage paper-in-oil dielectric capacitor widely used in industrial, audio, and high-reliability DC applications. Rated at 2µF and 600VDC, this General Instrument CP70B1FF205K delivers stable capacitance performance across decades of service. Paper-in-oil technology provides excellent voltage withstand, low dissipation factor, and proven longevity in power supply circuits, filter networks, and legacy equipment restoration.
Key Features
- Capacitance: 2µF (±10% tolerance typical for CP70 series)
- Voltage Rating: 600VDC working voltage
- Dielectric: Paper-in-oil — low ESR, superior voltage handling
- Hermetically sealed metal case — protects against moisture and oxidation
- Vintage General Instrument manufacture — proven reliability in legacy circuits
- Tested and fully functional — ready for immediate deployment
Technical Specifications
- Capacitance: 2µF
- Voltage Rating: 600VDC
- Dielectric Type: Paper-in-Oil
- Case Style: Metal can (hermetically sealed)
- Tolerance: ±10%
- Operating Temperature: –30°C to +70°C (typical paper-in-oil range)
- Mounting: Screw terminals or solder lugs (verify terminal style before ordering)
- Condition: Used, tested, fully functional
- Manufacturer: General Instrument
- Series: CP70
Typical Applications
- Power supply filtering and energy storage in high-voltage DC circuits
- Industrial equipment retrofits and equipment restoration
- Audio amplifier power supplies and coupling applications
- Legacy tube amplifier restoration and tube radio restoration
- High-reliability DC link capacitance in control systems
- Precision instrumentation and test equipment power conditioning
Compatibility & Replacements
Compatible With
- High-voltage DC power supply circuits rated 600VDC and below
- Industrial control systems requiring paper-in-oil dielectric stability
- Tube equipment and vintage amplifier power supplies
- Legacy instrumentation platforms requiring period-correct components
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator or equipment schematic before ordering. Other CP70 series variants with 2µF 600VDC rating (CP70B1FF205K1, equivalents) may be interchangeable; confirm terminal style and case dimensions with equipment documentation.
Works With
- DC power supply circuits and filter networks (600VDC maximum)
- Screw-terminal and solder-lug mounting configurations
- High-reliability analog circuits where paper-in-oil dielectric is specified





