Overview
The Miller Electric 031689 is a genuine ceramic disc capacitor designed for critical electrical filtering and energy storage applications in arc welding power sources. This capacitor is specifically engineered for Miller’s Thunderbolt AC/DC line and related equipment, ensuring precise voltage regulation and stable arc performance. Original Miller Electric parts maintain equipment reliability and extend service life.
Key Features
- Ceramic disc construction for durability and thermal stability
- Rated capacity of 0.01 microfarad (µF)
- Voltage rating of 1000 VDC (operating voltage 500 VDC)
- Pre-assembled with leads for direct installation
- Genuine Miller Electric original equipment part
- Tested and verified for proper electrical performance
Technical Specifications
- Capacitance: 0.01 µF
- Voltage Rating: 1000 VDC
- Operating Voltage: 500 VDC
- Component Type: Ceramic Disc Capacitor
- Configuration: Capacitor with terminals
- Manufacturer: Miller Electric Manufacturing
- Original Part Number: 031689
Typical Applications
The 031689 capacitor is used in Miller welding power sources for:
- AC/DC arc welding equipment circuit filtering
- Voltage regulation and stabilization
- High-frequency noise suppression
- Transformer and rectifier circuit support
- Maintenance and repair of field equipment
Compatibility & Replacements
Compatible With
- Thunderbolt AC/DC Welding Power Source
- Millermatic 250 arc welding machine
- Miller GPS-1000 power source
- Miller GPS-1500 power source
Replaces / Drop-In Replacement For
- Miller Electric 031689 (original equipment)
- OEM replacement for capacitor failure in Thunderbolt and Millermatic units
Works With
- Miller AC/DC welding equipment electrical circuits
- Three-phase and single-phase power inputs
- Standard welding power source architectures
