NEW SERIES
KMQ
Series
Snap Mount
Downsize
Large
Capacitance
105 C
Maximum
Temperature
Engineering Bulletin Oct 03
The KMQ series is a new high voltage snap-in capacitor series from United Chemi-Con that offers
downsized versions of the current miniaturized KMM series. These capacitors have a rated lifetime of
2,000 hours at 105 C with the rated ripple current applied. With high ripple current capability and
higher CV per case size than the KMM series, the KMQ capacitors are suitable for many downsized
power supply circuits. The KMQ capacitors have a standard 2-pin snap-in terminal style. As an
option the KMQ series is available with environmentally friendly PET (polyester) sleeves and Pb-free
materials.
The standard KMQ series capacitors are non-solvent proof. Refer to the Mini-Glossary for cleaning
guidelines and recommended cleaning agents that are compatible with United Chemi-Con products.
Summary of Specifications
PC board 2-pin snap-in terminals.
Capacitance range: 68 to 3,300µF.
Voltage range: 160 to 450VDC.
Category temperature range: 25 C to 105 C.
Leakage current: 3 CV (µA) maximum after 5 minutes at 20 C.
Standard capacitance tolerance: 20%
Nominal case size (D L): 22 25mm to 35 50mm.
Rated lifetime: 2,000 hours at 105 C with the rated ripple current applied.
KMQ
ALUMINUM
SNAP MOUNT
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
1/6
KMQ Series
KMQ Specifications
Item
Category Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Leakage Current
25 to 105 C
160 to 450VDC
68 to 3,300 F
20% ( M ) at
20 C, 120Hz
20 C.
Characteristics
Engineering Bulletin Oct 03
I
≤
3 CV ( A ) after 5 minutes at
At
20 C, 120Hz
160 - 250
0.15 max.
Where I = Max. leakage current ( A ), C = Nominal capacitance ( F ) and V = Rated voltage ( V )
Dissipation Factor ( Tan )
Rated Voltage ( V )
Tan
( DF )
315 - 400
0.15 max.
450
0.20 max.
Low Temperature
Characteristics
At 120Hz, impedance ( Z ) ratio between the
the values given below.
Rated Voltage ( V )
Z ( 25 C ) / Z ( 20 C )
160 - 250
4
25 C value and
450
8
20 C value shall not exceed
315 - 400
8
Rated Ripple Current Multipliers
Refer to Section 4 of the
Mini-Glossary for explanation of
Rated Ripple Current Multipliers.
Frequency (Hz )
DC Rated Voltage
160 - 250V
315 - 450V
50Hz
0.81
0.77
120Hz
1.00
1.00
300Hz
1.17
1.16
1kHz
1.32
1.30
10kHz
1.45
1.41
50kHz
1.50
1.43
Endurance
(Load Life)
The following specifications shall be satisfied when the capacitors are restored to 20 C after
subjecting them to DC voltage for 2,000 hours at 105 C with the rated ripple current applied.
The sum of the DC voltage and peak AC voltage must not exceed the full rated voltage of
the capacitors.
Capacitance change:
≤
20% of initial measured value
Tan ( DF )
:
≤
200% of initial specified value
Leakage current
:
≤
initial specified value
Shelf Life
The following specifications shall be satisfied when the capacitors are restored to 20 C after
exposing them for 1,000 hours at 105 C without voltage applied. The rated voltage shall be
applied to the capacitors for a minimum of 30 minutes, at least 24 hours and not more than
48 hours before the measurements.
Capacitance change:
≤
15% of initial measured value
Tan ( DF )
:
≤
150% of initial specified value
Leakage current
:
≤
initial specified value
Part Numbering System for KMQ Series
KMQ
180
VS
152
M
35X30
When ordering, always specify complete catalog number for KMQ Series.
T2
Terminal Code: T2 = 2- Pin Snap-in (Standard ).
Case Code: See Case Sizes in Tables.
Capacitance Tolerance: M = 20%
Capacitance Value: Expressed in Microfarads. The first two digits are
significant figures, and the third digit indicates the number of zeros
for capacitance of 100 F or more. R indicates the decimal point for
capacitance less than 100 F (e.g. R15 = .15 F; 1R5 = 1.5 F;
15R = 15 F; 151 = 150 F; 152 = 1,500 F; 153 = 15,000 F ).
Lead Configuration: VS = 2- Pin Snap-in Terminals.
DC Rated Voltage: Expressed in Volts (e.g. 180 = 180WVDC).
Series Name: Indicates Basic Capacitor Design.
KMQ
ALUMINUM
SNAP MOUNT
2 /6
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
KMQ Series
Diagram of Dimensions
Snap Mount
Type VS-T2
Ø
22~
Ø
35
See
Pin
Detail
Engineering Bulletin Oct 03
Unit: mm
VS Pin Dimensions
PVC Sleeve
PC board pin-out
W
2
10
2-2x
W
1
Edge
of can
D 1
P
*
Vent
L
2
W
Standard design does not have a plastic disk.
*
Vent may be located either on the bottom or side of the can.
Type
VS-T2
P
4.0 0.5
1.5
W
0.2
W
1
1.0
W
2
1.0
Standard Voltage Ratings - VS/Snap Mount
Rated
Voltage
(WVDC)
Capacitance
(µF )
Catalog
Part Number
Nominal
Case Size*
D L ( mm )
Maximum ESR
(
Ω
) at
20 C, 120Hz
Rated
Ripple Current
(A rms) at
105 C, 120Hz
1.4
1.5
1.7
2.0
2.2
1.7
2.0
2.2
2.3
2.5
2.7
2.0
2.2
2.3
2.5
2.7
2.9
3.1
2.3
2.5
2.7
2.9
3.1
3.3
1.3
1.4
1.5
1.7
2.0
2.2
1.5
1.7
2.0
160 Volts
200 Volts Surge
470
560
680
820
1,000
680
820
1,000
1,200
1,500
1,800
820
1,000
1,200
1,500
1,800
2,200
2,700
1,200
1,500
1,800
2,200
2,700
3,300
390
470
560
680
820
1,000
560
680
820
KMQ160VS471M22X25T2
KMQ160VS561M22X30T2
KMQ160VS681M22X30T2
KMQ160VS821M22X35T2
KMQ160VS102M22X40T2
KMQ160VS681M25X25T2
KMQ160VS821M25X30T2
KMQ160VS102M25X35T2
KMQ160VS122M25X40T2
KMQ160VS152M25X45T2
KMQ160VS182M25X50T2
KMQ160VS821M30X25T2
KMQ160VS102M30X25T2
KMQ160VS122M30X30T2
KMQ160VS152M30X35T2
KMQ160VS182M30X40T2
KMQ160VS222M30X45T2
KMQ160VS272M30X50T2
KMQ160VS122M35X25T2
KMQ160VS152M35X30T2
KMQ160VS182M35X30T2
KMQ160VS222M35X35T2
KMQ160VS272M35X40T2
KMQ160VS332M35X50T2
KMQ180VS391M22X25T2
KMQ180VS471M22X30T2
KMQ180VS561M22X30T2
KMQ180VS681M22X35T2
KMQ180VS821M22X40T2
KMQ180VS102M22X45T2
KMQ180VS561M25X25T2
KMQ180VS681M25X30T2
KMQ180VS821M25X30T2
22
22
22
22
22
25.4
25.4
25.4
25.4
25.4
25.4
30
30
30
30
30
30
30
35
35
35
35
35
35
22
22
22
22
22
22
25.4
25.4
25.4
25
30
30
35
40
25
30
35
40
45
50
25
25
30
35
40
45
50
25
30
30
35
40
50
25
30
30
35
40
45
25
30
30
0.529
0.444
0.366
0.303
0.249
0.366
0.303
0.249
0.207
0.166
0.138
0.303
0.249
0.207
0.166
0.138
0.113
0.092
0.207
0.166
0.138
0.113
0.092
0.075
0.638
0.529
0.444
0.366
0.303
0.249
0.444
0.366
0.303
180 Volts
225 Volts Surge
KMQ
ALUMINUM
SNAP MOUNT
*
The case sizes in table are with no sleeve, refer to diagram for case sizes with sleeve.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
3 /6
KMQ Series
Standard Voltage Ratings - VS/Snap Mount
Rated
Voltage
(WVDC)
Capacitance
(µF )
Catalog
Part Number
Nominal
Case Size*
D L ( mm )
Engineering Bulletin Oct 03
Maximum ESR
(
Ω
) at
20 C, 120Hz
Rated
Ripple Current
(A rms) at
105 C, 120Hz
2.2
2.3
2.5
2.0
2.2
2.3
2.5
2.7
2.9
2.2
2.3
2.5
2.7
2.9
3.1
1.31
1.45
1.67
1.75
2.04
2.3
1.67
1.75
2.04
2.3
2.65
2.04
2.3
2.65
2.8
3.08
2.3
2.65
2.8
3.08
3.48
1.0
1.1
1.2
1.3
1.4
1.5
1.7
1.2
1.3
1.4
1.5
1.7
2.0
1.4
1.5
1.7
2.0
2.2
2.3
1.7
2.0
180 Volts
225 Volts Surge
1,000
1,200
1,500
820
1,000
1,200
1,500
1,800
2,200
1,000
1,200
1,500
1,800
2,200
2,700
390
470
560
680
820
1,000
560
680
820
1,000
1,200
820
1,000
1,200
1,500
1,800
1,000
1,200
1,500
1,800
2,200
220
270
330
390
470
560
680
330
390
470
560
680
820
470
560
680
820
1,000
1,200
680
820
KMQ180VS102M25X40T2
KMQ180VS122M25X45T2
KMQ180VS152M25X50T2
KMQ180VS821M30X25T2
KMQ180VS102M30X30T2
KMQ180VS122M30X35T2
KMQ180VS152M30X40T2
KMQ180VS182M30X45T2
KMQ180VS222M30X50T2
KMQ180VS102M35X25T2
KMQ180VS122M35X30T2
KMQ180VS152M35X30T2
KMQ180VS182M35X35T2
KMQ180VS222M35X40T2
KMQ180VS272M35X50T2
KMQ200VS391M22X25T2
KMQ200VS471M22X30T2
KMQ200VS561M22X30T2
KMQ200VS681M22X40T2
KMQ200VS821M22X45T2
KMQ200VS102M22X50T2
KMQ200VS561M25X25T2
KMQ200VS681M25X30T2
KMQ200VS821M25X35T2
KMQ200VS102M25X45T2
KMQ200VS122M25X50T2
KMQ200VS821M30X25T2
KMQ200VS102M30X30T2
KMQ200VS122M30X35T2
KMQ200VS152M30X40T2
KMQ200VS182M30X45T2
KMQ200VS102M35X25T2
KMQ200VS122M35X30T2
KMQ200VS152M35X30T2
KMQ200VS182M35X40T2
KMQ200VS222M35X45T2
KMQ250VS221M22X25T2
KMQ250VS271M22X25T2
KMQ250VS331M22X30T2
KMQ250VS391M22X35T2
KMQ250VS471M22X40T2
KMQ250VS561M22X45T2
KMQ250VS681M22X50T2
KMQ250VS331M25X25T2
KMQ250VS391M25X25T2
KMQ250VS471M25X30T2
KMQ250VS561M25X35T2
KMQ250VS681M25X40T2
KMQ250VS821M25X45T2
KMQ250VS471M30X25T2
KMQ250VS561M30X25T2
KMQ250VS681M30X30T2
KMQ250VS821M30X35T2
KMQ250VS102M30X40T2
KMQ250VS122M30X45T2
KMQ250VS681M35X25T2
KMQ250VS821M35X30T2
25.4
25.4
25.4
30
30
30
30
30
30
35
35
35
35
35
35
22
22
22
22
22
22
25.4
25.4
25.4
25.4
25.4
30
30
30
30
30
35
35
35
35
35
22
22
22
22
22
22
22
25.4
25.4
25.4
25.4
25.4
25.4
30
30
30
30
30
30
35
35
40
45
50
25
30
35
40
45
50
25
30
30
35
40
50
25
30
30
40
45
50
25
30
35
45
50
25
30
35
40
45
25
30
30
40
45
25
25
30
35
40
45
50
25
25
30
35
40
45
25
25
30
35
40
45
25
30
0.249
0.207
0.166
0.303
0.249
0.207
0.166
0.138
0.113
0.249
0.207
0.166
0.138
0.113
0.092
0.638
0.529
0.444
0.366
0.303
0.249
0.444
0.366
0.303
0.249
0.207
0.303
0.249
0.207
0.166
0.138
0.249
0.207
0.166
0.138
0.113
1.13
0.921
0.754
0.638
0.529
0.444
0.366
0.754
0.638
0.529
0.444
0.366
0.303
0.529
0.444
0.366
0.303
0.249
0.207
0.366
0.303
200 Volts
250 Volts Surge
250 Volts
300 Volts Surge
KMQ
ALUMINUM
SNAP MOUNT
*
The case sizes in table are with no sleeve, refer to diagram for case sizes with sleeve.
4 /6
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
KMQ Series
Standard Voltage Ratings - VS/Snap Mount
Rated
Voltage
(WVDC)
Capacitance
(µF )
Catalog
Part Number
Nominal
Case Size*
D L ( mm )
Engineering Bulletin Oct 03
Maximum ESR
(
Ω
) at
20 C, 120Hz
Rated
Ripple Current
(A rms) at
105 C, 120Hz
2.2
2.3
2.5
2.7
0.82
0.9
1.0
1.1
1.2
1.3
1.0
1.1
1.2
1.3
1.4
1.5
1.2
1.3
1.4
1.5
1.7
2.0
1.3
1.4
1.5
1.7
2.0
2.3
0.75
0.82
0.9
1.0
1.1
1.2
0.9
1.0
1.1
1.2
1.3
1.4
1.1
1.2
1.3
1.4
1.5
1.7
1.4
1.5
1.7
1.9
0.7
0.75
0.88
0.95
1.1
1.22
250 Volts
300 Volts Surge
1,000
1,200
1,500
1,800
150
180
220
270
330
390
220
270
330
390
470
560
330
390
470
560
680
820
390
470
560
680
820
1,000
120
150
180
220
270
330
180
220
270
330
390
470
270
330
390
470
560
680
470
560
680
820
100
120
150
180
220
270
KMQ250VS102M35X30T2
KMQ250VS122M35X35T2
KMQ250VS152M35X45T2
KMQ250VS182M35X50T2
KMQ315VS151M22X25T2
KMQ315VS181M22X30T2
KMQ315VS221M22X30T2
KMQ315VS271M22X35T2
KMQ315VS331M22X45T2
KMQ315VS391M22X45T2
KMQ315VS221M25X25T2
KMQ315VS271M25X30T2
KMQ315VS331M25X35T2
KMQ315VS391M25X40T2
KMQ315VS471M25X45T2
KMQ315VS561M25X50T2
KMQ315VS331M30X25T2
KMQ315VS391M30X30T2
KMQ315VS471M30X35T2
KMQ315VS561M30X40T2
KMQ315VS681M30X45T2
KMQ315VS821M30X50T2
KMQ315VS391M35X25T2
KMQ315VS471M35X25T2
KMQ315VS561M35X30T2
KMQ315VS681M35X35T2
KMQ315VS821M35X40T2
KMQ315VS102M35X45T2
KMQ350VS121M22X25T2
KMQ350VS151M22X30T2
KMQ350VS181M22X30T2
KMQ350VS221M22X35T2
KMQ350VS271M22X40T2
KMQ350VS331M22X45T2
KMQ350VS181M25X25T2
KMQ350VS221M25X30T2
KMQ350VS271M25X30T2
KMQ350VS331M25X40T2
KMQ350VS391M25X45T2
KMQ350VS471M25X50T2
KMQ350VS271M30X25T2
KMQ350VS331M30X30T2
KMQ350VS391M30X35T2
KMQ350VS471M30X35T2
KMQ350VS561M30X45T2
KMQ350VS681M30X50T2
KMQ350VS471M35X30T2
KMQ350VS561M35X35T2
KMQ350VS681M35X40T2
KMQ350VS821M35X45T2
KMQ400VS101M22X25T2
KMQ400VS121M22X30T2
KMQ400VS151M22X30T2
KMQ400VS181M22X35T2
KMQ400VS221M22X45T2
KMQ400VS271M22X50T2
35
35
35
35
22
22
22
22
22
22
25.4
25.4
25.4
25.4
25.4
25.4
30
30
30
30
30
30
35
35
35
35
35
35
22
22
22
22
22
22
25.4
25.4
25.4
25.4
25.4
25.4
30
30
30
30
30
30
35
35
35
35
22
22
22
22
22
22
30
35
45
50
25
30
30
35
45
45
25
30
35
40
45
50
25
30
35
40
45
50
25
25
30
35
40
45
25
30
30
35
40
45
25
30
30
40
45
50
25
30
35
35
45
50
30
35
40
45
25
30
30
35
45
50
0.249
0.207
0.166
0.138
1.658
1.382
1.13
0.921
0.754
0.638
1.13
0.921
0.754
0.638
0.529
0.444
0.754
0.638
0.529
0.444
0.366
0.303
0.638
0.529
0.444
0.366
0.303
0.249
2.072
1.658
1.382
1.13
0.921
0.754
1.382
1.13
0.921
0.754
0.638
0.529
0.921
0.754
0.638
0.529
0.444
0.366
0.529
0.444
0.366
0.303
2.487
2.072
1.658
1.382
1.13
0.921
315 Volts
365 Volts Surge
350 Volts
400 Volts Surge
400 Volts
450 Volts Surge
KMQ
ALUMINUM
SNAP MOUNT
*
The case sizes in table are with no sleeve, refer to diagram for case sizes with sleeve.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
5 /6
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