Overview
The ALS30A102KE400 is a high-capacity aluminum electrolytic capacitor from KEMET designed for demanding industrial and control applications. With 1000µF capacitance at 400V DC rating and an industry-standard screw-terminal mounting interface, this capacitor provides reliable filtering, energy storage, and voltage regulation in power supplies, motor drives, and industrial automation systems.
Key Features
- 1000µF capacitance with ±20% tolerance
- 400V DC rated voltage for high-voltage circuits
- Screw terminal connections for secure, maintenance-friendly installation
- Low ESR (139mΩ @ 100Hz) reduces thermal stress and ripple losses
- 18,000-hour design life at 85°C operating temperature
- RoHS-compliant aluminum electrolytic construction
Technical Specifications
- Capacitance: 1000µF
- Voltage Rating (DC): 400V
- Tolerance: ±20%
- Equivalent Series Resistance (ESR): 139mΩ @ 100Hz
- Ripple Current: 5.8A @ 100Hz, 6.2A @ 10kHz (85°C)
- Operating Temperature Range: -40°C to +85°C
- Lifetime @ Temperature: 18,000 hours @ 85°C
- Case Size (Diameter × Height): 51mm × 82mm
- Terminal Style: Screw terminals
- Lead Spacing: 22.2mm
- Mounting Type: Chassis mount
Typical Applications
- DC power supply smoothing and filtering in industrial control systems
- Motor drive filter circuits in variable-frequency drives (VFDs)
- Energy storage in UPS (uninterruptible power supply) systems
- Voltage regulation in PLC power supplies and automation controllers
- Industrial equipment requiring high-voltage, long-life capacitive storage
- Legacy equipment retrofit and repair applications
Compatibility & Replacements
Compatible With
- Industrial power supply circuits rated 400V DC or lower
- Motor drives and soft-starter applications requiring bulk capacitance
- UPS systems and energy storage backup circuits
- Control panel power distribution systems in automation environments
- Equipment designed for screw-terminal capacitor mounting
Replaces / Drop-In Replacement For
- BHC Aerovox ALS30A102KE400 (equivalent legacy part)
- Other ALS30 series 1000µF 400V screw-terminal capacitors
- Equivalent-rated aluminum electrolytic capacitors with 51×82mm case and 22.2mm lead spacing
Works With
- Industrial control systems requiring high-voltage filtering
- Power factor correction (PFC) circuits in motor drives
- DC bus smoothing in frequency converters and soft starters
- Retrofit applications in legacy industrial equipment (ABB, Siemens, Schneider control systems)
- Standard mounting practices for 400V+ DC power electronics
