KEMET ALS30A221DA400 — ALS30 Series Screw‑Terminal Aluminum Electrolytic Capacitor, 220 µF ±20%, 400 VDC, 11,000 hr, Ø36×52 mm, Lead Spacing 12.8 mm, ESR 570 mΩ, Ripple 2.1 A — Pack of 10

The KEMET ALS30A221DA400 is a screw‑terminal aluminum electrolytic capacitor from the ALS30 series, intended for DC link, smoothing and general high‑voltage power applications. It provides 220 µF capacitance at a 400 VDC rating in a compact screw‑terminal package, offering reliable termination for heavy‑duty connections in industrial power electronics. Supplied in bulk — pack of 10.

Key specifications

• Manufacturer / Brand: KEMET
• Manufacturer part number: ALS30A221DA400
• Distributor / Mouser part: 80-ALS30A221DA400
• Product type: Screw‑terminal aluminum electrolytic capacitor (ALS30 series)
• Capacitance: 220 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: 52 mm
• Lead spacing (terminal pitch): 12.8 mm
• Termination style: Screw terminal
• Ripple current: 2.1 A (specified)
• Equivalent Series Resistance (ESR): 570 mΩ
• Leakage current: 528 µA
• Test frequency: 100 Hz
• Packaging: Bulk
• Unit weight: 2.645547 oz (approx. 75 g)
• Sell pack quantity: 10

Features & benefits

• Compact 400 VDC screw‑terminal capacitor suitable for DC link and power conversion circuits.
• Robust screw terminals provide low‑impedance, secure connections for busbars or straps.
• Industry‑standard ALS30 series performance with predictable lifetime (11,000 hours) and wide temperature tolerance.
• Specified ripple and ESR allow designers to evaluate thermal and voltage stability in application.

Handling & installation notes

• Ensure correct polarity and apply recommended torque on screw terminals to avoid terminal or seal damage.
• Provide adequate cooling and spacing to maintain rated ripple performance.
• For high‑volume orders, confirm factory lead time; available stock: 147 units for immediate shipment (Mouser reference).

Ordering & availability note

• Mouser stock: 147 units available. Factory lead time estimated 33 weeks for quantities beyond stock. Request a quote for large quantities. Datasheet: ALS30A221DA400.