Overview
The Mallory CGR303U016V3C is a computer-grade aluminum electrolytic capacitor engineered for industrial and commercial DC power applications. With a 30000 microfarad (µF) capacitance rating at 16 volts DC, this large-can design delivers the energy storage and ripple filtering performance demanded in power supplies, uninterruptible power systems (UPS), and industrial motor control circuits. The unit features screw terminals for reliable, repeatable mounting and direct solder-free connections.
Key Features
- 30000µF capacitance at 16VDC nominal—large bulk storage capacity for demanding DC circuits
- Computer-grade construction—designed to withstand the thermal and electrical stress of continuous industrial operation
- High ripple current capability—supports AC ripple injection while maintaining performance
- Screw terminal connection—2 × 3-1/8 inch case size with solid terminal posts for secure mechanical assembly
- Aluminum electrolytic chemistry—proven reliability and thermal stability in legacy and modern industrial systems
Technical Specifications
Electrical:
- Capacitance: 30000µF ±20%
- Rated Voltage: 16VDC
- Maximum Operating Voltage: 16VDC
- Leakage Current: Manufacturer-rated per CGR series datasheet
- Capacitance Retention: ≥85% after rated surge testing
Physical:
- Case Style: Large cylindrical aluminum can with insulating sleeve
- Dimensions: 2 inches × 3-1/8 inches (approximate)
- Terminal Type: Screw terminals (high-post style)
- Weight: Industrial-grade can construction
Performance:
- Operating Temperature: Rated up to +85°C (standard grade)
- Storage Temperature: −55°C to maximum operating temperature
- Lead Type: High post screw terminal
Typical Applications
The Mallory CGR303U016V3C serves mission-critical roles in:
- Industrial power supplies—main bulk capacitance in 16V DC supplies for control systems
- DC filtering and ripple suppression—smoothing output ripple in rectified and switched-mode supplies
- Uninterruptible power supplies (UPS)—energy reserve and backup discharge in 16V battery-backed systems
- Motor control circuits—hold-up capacitance for soft-start and regenerative braking circuits
- Industrial automation and PLC systems—auxiliary power conditioning where large capacitance at moderate voltage is required
Compatibility & Replacements
Compatible With
- Industrial power supply boards rated 16VDC nominal output
- UPS systems and battery backup circuits at 16V DC nominal
- Rectifier and filter circuits in legacy industrial control panels
- DC motor soft-start and regenerative braking modules
- Energy storage and hold-up power conditioning in automation equipment
Replaces / Drop-In Replacement For
The Mallory CGR303U016V3C is a direct replacement for other Mallory CGR-series 30000µF 16VDC units and compatible equivalent electrolytic capacitors from other manufacturers with matching pinout and similar thermal ratings. Verify terminal configuration and mounting hole alignment before substituting into existing hardware.
Works With
- Standard industrial 16VDC power supply designs
- Legacy computer and server power conditioning networks
- Screw-terminal junction blocks and terminal strips
- PCB-level and panel-mount power applications using screw-post termination
