UL3
SERIES
Unlytic
®
UL3 / UL31 / UL32 / UL34 / UL35 Series
The UL31 / UL32 / UL34 / UL35 UNLYTIC
®
UL3 SERIES represent the “best”
choice for high power DC filter applications because of the combination of
physical and electrical properties it offers.
Unlytic
®
FEATURES
-
Inductance as low as 25nH
(less than 10nH available)
-
Low ESR
-
Current carrying capability to
110 amps
-
Withstands hostile
environments
-
Integrated mounting flanges
STANDARD CONFIGURATION
-
UL31/UL35 Male Terminal
-
UL32/UL34 Female Terminal
-
UL31/UL32 Standard ESL
-
UL34/UL35 Special Low ESL
Specification Summary
Capacitance Range
6.5µF to 350.0µF
Capacitance Tolerance
Standard tolerance is ±10%. Tolerances of ±20% and ±5% are
also available.
Operating Temperature Range
-55°C to +105°C
Enclosure/ Construction
Thermal plastic with high current terminals.
Voltage Rating
500VDC to 2200VDC
Quality Control
Capacitors are tested 100% for:
o Capacitance
o Tolerance
o Dissipation Factor
o Dielectric withstanding voltage
o Insulation Resistance
o Equivalent Series Resistance (ESR)
Process and inspection data are maintained on file and available
on special request.
Environmental
Parameter
Vibration
Immersion
Shock
Humidity
Thermal Shock
Life
Method
204
104
213
106
107
108
Condition
D
B
I
-
A
F
Reference MIL-STD-202
Characteristics
Insulation Resistance
Temperature(°C)
25
Megaohms x
10,000
Microfarads
85
1,000
105
100
Capacitance Change
Temperature(°C)
-55
Percentage Change
+2.0
(typical)
25
0
105
-4.0
Insulation Resistance
Capacitance Change
Dissipation Factor
Polypropylene has an intrinsic dissipation factor of less than 2.1
x 10-4 over the operating temperature range of -55°C to +105°C
and frequencies to 1MHz.
Dielectric Strength
Capacitors withstand a DC potential of 1.3 x rated
voltage for one (1) minute without damage or
breakdown. Test voltage is applied and discharged
through a minimum resistance of 100 OHM per volt
minimum.
ADDITIONAL INFORMATION
The combination of physical and electrical properties it offeres encompasses low inductance with high
current carrying capability – and a low profile to make the most efficient use of system space and
increased cooling efficiency. Plus an in-house developed, “specific to the task” thermoplastic formulation
for the enclosure, improves thermal conductivity. There is also an integrated flange with pre-drilled holes
to simplify mounting.
The UNLYTIC
®
UL3 SERIES, with its introduction, the designer has a film capacitor for high
power filter systems that will maximize space utilization, performance and reliability. With the
added potential for measurable production cost savings.
HOW TO ORDER
TYPE
Metallized Polypropylene
UL3
1Q
157
K
STYLE / VOLTAGE
UL31, UL32, UL34, UL35 / DC Voltage Rating: Q=500VDC, K=600, etc.
CAPACITANCE IN PICOFARADS
The first two digits are significant, the third represents the number of zeros
(e.g 506=50,000,000pF)
TOLERANCE
Standard tolerance is ±10%. Tolerances of ±20% and ±5% are also
available.
Marking And Date Code
All capacitors are marked with company initials "EC", corporate logo or EC trademark—in addition to type UL3, capacitance,
tolerance, rated DC working voltage and date code. The first two digits of the date code represent the year, the second two digits the
week, i.e., 0952 is the 52nd week of 2009, 0902 is the second week of 2009.
Quality Assurance
Major emphasis is placed on quality assurance. EC is an ISO 9001-2000 and AS9100:2004 Certified Company. Raw material
inspection and the use of SPC manufacturing procedures assure the highest quality standards. Procedures are fully described in the
EC Quality Control Manual. Electronic Concepts will continue to advance the state-of-the-art by utilizing leading edge technology,
compact capacitor designs and establishing reliability procedures.
Sales Offices
United States
Eastern:
*Headquarters*
P.O. Box 1278
Eatontown, NJ 07724
Tel: 732-542-7880
Fax: 732-542-0524
Central:
Illinois 630-668-8747
email: sales@ecicaps.com
website:www.ecicaps.com
Rev. B
Europe
Ireland
Electronic Concepts Europe LTD
IDA Estate, Oughterad
Co. Galway, Ireland
tel: +353-91-552385,552432
fax: +353-91-552387
email: sales@ecicaps.ie
website:www.electronicconcepts.ie
Embedded System
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