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381LR221M450J452

SKU: 381LR221M450J452

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KNOWLES / CORNELL DUBILIER Aluminum Electrolytic Capacitor Polarized - Part Number: 381LR221M450J452

Manufactured in the US, this high-performance aluminum electrolytic capacitor is designed for demanding electronic applications requiring ultra-high ripple current capabilities. It features a snap-in package type (BLK) and is RoHS compliant, ensuring environmentally friendly manufacturing standards.

  • Product Type: Capacitors | Aluminum Electrolytic Capacitors - Snap In
  • Package Type: BLK
  • UOM: EA
  • ECCN: EAR99
  • RoHS Compliant: RoHS Compliance Details

Product Features

  • Ultra-high ripple current capability, handling up to 25% more ripple than standard 105°C snap-in capacitors
  • Suitable for motor drive bus and UPS applications
  • Temperature range from –40°C to +105°C
  • Rated voltages from 200 Vdc to 450 Vdc
  • Capacitance range from 56 µF to 2,200 µF with ±20% tolerance
  • Low ESR values due to electrolyte advancements, enabling fewer capacitors in high ripple applications
  • Impedance ratio at –20°C: Z ∕ Z ≤ 3 (200–450Vdc)
  • Endurance life of 3000 hours at full load and 105°C
  • Shelf life of 1000 hours at 105°C
  • Vibration resistance: 10 to 55 Hz, 0.06” displacement, 10 g max, 2 hours per plane

Electrical Specifications

Specifications Details
Temperature Range –40°C to +105°C (≤315 Vdc), –25°C to +105°C (≥350 Vdc)
Rated Voltage Range 200 Vdc to 450 Vdc
Capacitance Range 56 µF to 2,200 µF
Capacitance Tolerance ±20%
Leakage Current ≤ 3 √CV µA, max 4 mA at 5 minutes
Ripple Current Multipliers At 45°C: 2.35; 60°C: 2.20; 70°C: 2.00; 85°C: 1.70; 105°C: 1.00 (for 10, 50, 120 Hz, 1 kHz, and up frequencies)
Low Temperature Impedance Ratio Z ∕ Z –20°C +25°C ≤ 3 (200–450Vdc)
Life and Shelf Tests 3000 hours at 105°C, 1000 hours shelf life at 105°C, both with capacitance ±20%, ESR within 200% of limit

Physical Dimensions

Case Code Diameter (mm/inches) Length (mm/inches) Typical Weight (grams)
H01 22 / 0.87 25 / 0.98 16
H02 22 / 0.87 30 / 1.18 19
H03 22 / 0.87 35 / 1.38 22
H04 22 / 0.87 40 / 1.57 24
H45 22 / 0.87 45 / 1.77 28
H05 22 / 0.87 50 / 1.97 31
J01 25 / 0.98 25 / 0.98 20
J02 25 / 0.98 30 / 1.18 24
J03 25 / 0.98 35 / 1.38 27
J04 25 / 0.98 40 / 1.57 31
J45 25 / 0.98 45 / 1.77 35
J05 25 / 0.98 50 / 1.97 38

Performance Curves & Ratings

Refer to the datasheet for detailed performance curves and maximum ripple current ratings at various temperatures and frequencies. The datasheet can be accessed here.

For more detailed specifications and application guidelines, please consult the datasheet linked above.

Note: Datasheet was not processed, please search the internet for the part number 381LR221M450J452 for more details.


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