Overview
Mepco 3186FE283U030AMA3 High-Capacitance Electrolytic Capacitor
The Mepco 3186FE283U030AMA3 is a computer-grade aluminum electrolytic capacitor delivering 28,500µF of capacitance at a 30VDC working voltage. Part of Mepco/Electra’s Type 3186 series, this capacitor combines high energy storage capacity with reliable performance for demanding industrial and electronic applications. The screw terminal design ensures secure, repeatable mounting in equipment requiring stable DC power filtering, energy storage, or surge protection.
Key Features
- High Capacitance: 28,500µF rated capacitance for significant energy storage and filtering
- Aluminum Electrolytic Construction: Proven technology with excellent reliability in industrial environments
- Screw Terminal Connection: Robust, tamper-proof termination suitable for panel-mount and enclosure applications
- Computer-Grade Rating: Designed and manufactured to meet stringent performance and reliability standards
- 30VDC Working Voltage: Suitable for 24VDC and 28VDC system applications with design margin
- Low ESR Design: Minimizes ripple current losses and heat generation in power supplies
Technical Specifications
Standard specifications for the Mepco Type 3186 series aluminum electrolytic capacitor:
- Nominal Capacitance: 28,500µF
- Working Voltage: 30VDC
- Tolerance: −10% / +75% (typical for computer-grade aluminum electrolytics)
- Construction Type: Aluminum Electrolytic (Polarized)
- Terminal Style: Screw Terminal
- Ambient Operating Temperature: 85°C maximum
- Surge Voltage: 40VDC typical
- Series: Mepco/Electra Type 3186
- RoHS Compliant: Per applicable manufacturing standards
Typical Applications
- Industrial Power Supplies: Primary and secondary filtering in rectified DC supplies
- Uninterruptible Power Supplies (UPS): Energy storage and ride-through for transient conditions
- Motor Control Systems: Voltage regulation and ripple suppression in drive circuits
- Telecom Equipment: Backup power and noise filtering in telecommunications infrastructure
- Medical and Scientific Instruments: Precision power conditioning in sensitive analytical equipment
- Computer Hardware: Motherboard and peripheral power distribution filtering
Compatibility & Replacements
Compatible With
- 24VDC to 30VDC industrial power supplies and control systems
- DC bus filtering and energy storage circuits
- Panel-mount enclosures with screw terminal inputs
- Legacy and modern industrial automation equipment
- Computer-grade power conditioning systems
Replaces / Drop-In Replacement For
When upgrading or servicing equipment, verify exact capacitance and voltage ratings against the original specification. The Mepco 3186FE283U030AMA3 replaces other 28,500µF 30VDC Mepco or Cornell Dubilier Type 3186 configurations with identical terminal spacing and mounting dimensions. Consult your equipment documentation or original supplier to confirm direct compatibility.
Works With
- Industrial PLC and motion control systems
- Legacy computer and telecom infrastructure
- Screw-terminal-equipped power supply modules
- DC voltage regulation and filtering circuits
- Capacitor bank and filter assembly configurations










