CDM Cornell Dubilier
• 140 Technology Place • Liberty, SC 29657 • Phone: (864)843-2277 • Fax: (864)843-3800 • www.cde.com
Type 381LR 105 °C Ultra-High-Ripple Snap-in
Specifications
Operating Temperature:
–40 °C to + 105 °C ≤ 315 Vdc
–25 °C to + 105 °C ≥ 350 Vdc
Rated Voltage:
200 to 450 Vdc
Capacitance:
56 µF to 2,200 µF ± 20%
Leakage Current:
≤3 √CV µA, 4 mA max, 5 minutes
Ripple Current Multipliers:
Ambient Temperature
Frequency
EIA Ripple Life:
10,000 h at 85 °C, full load per EIA IS-749
∆ Capacitance ±20%
ESR 200% of limit
DCL 100% of limit
Load LifeTest:
3000 h at full load at 105 °C
∆Capacitance 20%
ESR 200% of limit
DCL 100% of limit
Shelf Life:
1000 h at 105 °C
∆Capacitance 20%
ESR 200% of limit
DCL 100% of limit
Vibration:
10 to 55 Hz, 0.06" and 10 g max, 2 h each plane
Compared to standard 105 °C snap-ins like the Type 381L/LX
Type 381LR can handle an extra 25% ripple current or more. This
remarkable capability stems from advances in electrolyte that give
extremely low ESR values.In high ripple current applications like
motor drives you can save by using fewer capacitors.
Highlights
The right choice for motor drive bus capacitors
The right choice for UPS bus capacitors
Compare to Type 381L
Up to 2 times the ripple current
•
•
•
•
25% More Ripple Current Capability
45 ºC
60 ºC
70 ºC
85 ºC
105 ºC
2.35
2.20
2.00
1.70
1.00
50Hz
60 Hz
120 Hz 500 Hz 1 kHz 10 kHz
& up
0.75
0.80
1.00
1.20
1.25
1.40
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