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381LR121M450J032

SKU: 381LR121M450J032

Regular price ₹ 401.91
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KNOWLES / CORNELL DUBILIER Capacitors - Part Number: 381LR121M450J032

Enhance your electronic designs with the high-performance Capacitors-Snap In 120uF 450V 20 aluminum electrolytic capacitors from KNOWLES / CORNELL DUBILIER. Engineered for ultra-high ripple current capabilities, these capacitors are ideal for motor drives, UPS bus applications, and other demanding power electronics.

  • Manufacturer: KNOWLES / CORNELL DUBILIER
  • Country of Origin: CN (China)
  • Unit of Measure: Each (EA)
  • ECCN: EAR99
  • Package Type: BLK (Black)
  • RoHS Compliant: Yes (RoHS Details)
  • Datasheet: Download Datasheet

Product Features

  • Ultra-high ripple current capability, handling up to 2 times the ripple current of standard 105°C snap-in capacitors
  • Designed for high ripple applications such as motor drives and UPS bus capacitors
  • Temperature range from –40°C to +105°C
  • Rated voltage from 200 Vdc to 450 Vdc
  • Capacitance range from 56 µF to 2,200 µF with ±20% tolerance
  • Low ESR electrolyte technology for improved ripple handling
  • Robust endurance life of 3000 hours at full load and 105°C
  • Long shelf life of 1000 hours at 105°C

Electrical Specifications

Parameter Value
Capacitance Range 56 µF to 2,200 µF
Rated Voltage Range 200 Vdc to 450 Vdc
Temperature Range –40°C to +105°C
Leakage Current ≤ 3 √CV µA, max 4 mA at 5 minutes
Ripple Current Multipliers Up to 2x at 105°C, with specific values provided for different temperatures and frequencies
Impedance Ratio at –20°C Z ∕ Z₀ ≤ 3 (200–450Vdc)
Endurance Life 3000 hours at full load, 105°C, ±20% capacitance
Shelf Life 1000 hours at 105°C, ±20% capacitance
Vibration 10 to 55 Hz, 0.06” displacement, 10 g max, 2 hours per plane

Physical Dimensions

Case Code Diameter (mm) Length (mm) Typical Weight (grams)
H01 22 25 16
H02 22 30 19
H03 22 35 22
H04 22 40 24
H45 22 45 28
J01 25 25 20
J02 25 30 24
J03 25 35 27
J04 25 40 31
J45 25 45 35
J05 25 50 38

Performance Ratings (Max Ripple Current)

Voltage Capacitance (uF) 120 Hz (A) 20 kHz (A) Size (mm)
200 Vdc (250 Vdc Surge) 330 0.603 0.271 22 x 25
390 470 0.423 0.191 22 x 35
680 680 0.293 0.132 25 x 35
1000 1000 0.149 0.067 25 x 45
1500 1500 0.099 0.050 30 x 50
2200 2200 0.066 0.040 35 x 50

For more detailed specifications, please refer to the datasheet.

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


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