KEMET ALS30A471DF450 — ALS30 Series Screw‑Terminal Aluminum Electrolytic Capacitor, 470 µF ±20%, 450 VDC, 11,000 hr, Ø36×105 mm, Lead Spacing 12.8 mm, ESR 235 mΩ, Ripple 4.0 A — Pack of 10

The KEMET ALS30A471DE400 is a screw‑terminal aluminum electrolytic capacitor in the ALS30 series, designed for high‑performance DC link, smoothing and power conversion applications. It offers 470 µF capacitance at 400 VDC in a compact screw‑terminal package, providing high ripple handling, low ESR and extended lifetime for industrial power electronics and inverter systems. Supplied in bulk — pack of 10.

Key specifications

• Manufacturer / Brand: KEMET
• Manufacturer part number: ALS30A471DE400
• Distributor / Mouser part: 80-ALS30A471DE400
• Product type: Screw‑terminal aluminum electrolytic capacitor (ALS30 series)
• Capacitance: 470 µF
• Capacitance tolerance: ±20%
• Rated voltage (DC): 400 VDC
• Rated life: 11,000 hours (manufacturer data)
• Operating temperature range: -40 °C to +85 °C
• Diameter: 36 mm
• Length / Height: 82 mm
• Lead spacing (terminal pitch): 12.8 mm
• Termination style: Screw terminal
• Ripple current: 3.5 A (specified)
• Equivalent Series Resistance (ESR): 267 mΩ
• Leakage current: 1.128 mA
• Test frequency: 100 Hz
• Packaging: Bulk
• Unit weight: 4.056506 oz (approx. 115 g)
• Sell pack quantity: 10
• Stock / availability note: 134 units in stock. Factory lead time ~33 weeks for larger quantities.

Features & benefits

• High capacitance (470 µF) at 400 VDC suitable for demanding DC link and power supply filtering.
• Low ESR (267 mΩ) and 3.5 A ripple rating deliver improved thermal performance and reliability.
• Screw‑terminal termination for secure, low‑impedance connections to busbars and heavy wiring.
• ALS30 series reliability with 11,000‑hour rated life and wide operating temperature range.

Handling & installation notes

• Confirm polarity before installation and apply manufacturer‑recommended torque to screw terminals to avoid damage to terminals or seals.
• Ensure adequate cooling and component spacing to maintain ripple performance and extend service life.
• For production or large orders, verify lead times with supplier; factory lead time is estimated at 33 weeks for quantities beyond stock.

Ordering & availability note

• Mouser reference: 80-ALS30A471DE400. Datasheet and ECAD models available from KEMET. Request a quote for larger quantities or confirmed delivery schedules.