Overview
The Philips 120640-8 (model 3186GD272T400DPA2) is an aluminum electrolytic capacitor pair designed for industrial and power electronics applications. This unit delivers 2700µF capacitance at 400VDC with a 450V surge rating, making it suitable for rectification, filtering, and energy storage in demanding environments.
Key Features
- High capacitance: 2700µF rating for substantial charge storage
- Robust voltage specification: 400VDC working voltage with 450V surge protection
- Screw terminal construction for reliable industrial connections
- Aluminum electrolytic design proven in power supply applications
- Paired configuration for balanced dual-channel operation
Technical Specifications
- Capacitance: 2700µF
- Working Voltage: 400VDC
- Surge Voltage: 450V
- Construction: Aluminum electrolytic, screw terminal
- Series: Type 3186
- Tolerance: −10% to +50%
- Configuration: Pair (2 units)
Typical Applications
- Industrial power supplies and rectifier circuits
- DC link filtering in industrial drives and UPS systems
- Energy storage in welding equipment
- High-current power conversion applications
- Legacy industrial control system upgrades
Compatibility & Replacements
Compatible With
- Industrial power supply designs rated 400VDC or lower
- Rectifier and filter circuit configurations
- UPS and energy storage systems
- Legacy Philips and OEM industrial equipment
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. The Type 3186 series includes multiple voltage and capacitance variants; ensure your application matches the 400VDC 2700µF specification.
Works With
- Standard industrial rectifier and filter circuits
- Power supply designs utilizing screw-terminal capacitors
- Industrial DC distribution systems












