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550C321T250AB2B

Description
CAP ALUM 320UF 250V SCREW
CategoryPassive components   
File Size380KB,7 Pages
ManufacturerCornell Dubilier
Environmental Compliance
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550C321T250AB2B Overview

CAP ALUM 320UF 250V SCREW

550C321T250AB2B Parametric

Parameter NameAttribute value
capacitance320µF
Tolerance-10%,+50%
Voltage - Rated250V
ESR (equivalent series resistance)-
Service life at different temperatures10,000 hours at 105°C
Operating temperature-40°C ~ 105°C
polarizationpolarization
grade-
applicationUniversal
lead spacing0.500"(12.70mm)
size/dimensions1.375" diameter (34.93mm)
Height - Installation (maximum)3.187"(80.95mm)
Surface mount pad dimensions-
Installation typeBase installation
Package/casingRadial, Can - Screw Terminal
click here to see hardware and mounting options
Type 550C 105 °C High Ripple, Inverter Grade, Aluminum
Ultra-Ripple, Long Life Screw Terminal Type
Type 550C is the standard for motor drive and other high-ripple, long-
life applications. It boasts more than 25% extra ripple capability per
can size, but less capacitance than Type 520C. Expected operating
life is more than 100,000 hours in typical applications. Type 550C is
rated for 20,000 h life with full ripple current, rated voltage, 85 ºC and
100 lfm airflow while mounted horizontally. Horizontal mounting is
more severe than vertical mounting. The extended cathode foil of the
550C assures heat flow from the capacitor element to the can in all
orientations.
Highlights
Specifications
Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Leakage Current
Ripple Current Multipliers
- Load life up to 20,000 hours at 85 ºC
- High ripple current
- ESRs to 7 mΩ
–40 °C to +105 °C
200 Vdc to 500 Vdc
680 µF to 35,000 µF
–10% +50%
≤3 √CV µA, 4 mA max, 5 minutes
Ambient Temperature
45 ºC
1.66
Frequency
55 ºC
1.52
65 ºC
1.37
75 ºC
1.20
85 ºC
1.00
95 ºC
0.75
105 ºC
0.36
50 60 120 360
Hz Hz Hz Hz
1 3/8” & 2 1/2” Diameters
200 to 350 V
0.77 0.82 1.00 1.21
400 to 500 V
0.73 0.78 1.00 1.33
3” & 3 1/2” Diameters
200 to 350 V
0.80 0.85 1.00 1.17
400 to 500 V
0.73 0.79 1.00 1.31
1
5 10 kHz
kHz kHz & up
1.32 1.37 1.38
1.53 1.66 1.68
1.24 1.28 1.29
1.51 1.63 1.65
Low Temperature Characteristics
Endurance Life Test
Impedance ratio: Z
–20⁰C
∕ Z
+25⁰C
≤ 3 (200–500 Vdc)
5,000 hr. load life at 85 ºC
10,000 hr. load life at 105 ºC
∆ Capacitance ±20%
ESR 200% of limit
DCL 100% of limit
Diameter
2½” (66)
3” (77)
3½ (90)
Rated Voltage and Ripple Current
@105 ºC (hours)
15000
15000
15000
Rated Voltage
@105 ºC (hours)
18000
18000
18000
Operating Life
Load life up to 20000 hours at 105 ºC with 90% VDC
Shelf Life Test
500 h at 105 °C
Capacitance 100% of limit
ESR 100% of limit
DCL 100% of limit
10 to 55 Hz, 0.06” and 10 g max, 1.5 h each of two axis
RoHS Compliant
Vibration
CDM Cornell Dubilier • 140 Technology Place • Liberty, SC 29657 • Phone: (864)843-2277 • Fax: (864)843-3800
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