UPGRADE
SMM
Series
Snap Mount
Downsize
High Voltage
Long Life
85 C
Maximum
Temperature
Engineering Bulletin Jul 03
The SMM series is a high voltage, long life snap-in capacitor series that offers downsized versions
of the SMH series. Compared to our SMH series, the SMM capacitors have a longer rated lifetime
of 3,000 hours with the full rated ripple current applied and are also one case size smaller than
equivalently rated SMH capacitors. These characteristics allow downsizing for many power supplies
and will provide better reliability due to increased life. The SMM capacitors are available in 2 or 4-pin
snap-in styles and 3 or 4-pin straight terminals with or without standoffs. As an option the SMM
series is available with environmentally friendly PET (polyester) sleeves and Pb-free materials.
SNAP MOUNT- 85 C
The standard SMM 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.
SMM
Summary of Specifications
PC board 2 or 4-pin snap-in; optional 3 or 4-pin straight terminals.
Capacitance range: 47 to 3,300µF.
Voltage range: 160 to 450VDC.
Category temperature range: 25 C to 85 C.
Leakage current: 3 CV (µA) maximum after 5 minutes at 20 C.
Standard capacitance tolerance: 20%
Nominal case size (D L): 20 25mm to 35 50mm.
Rated lifetime: 3,000 hours at 85 C with the rated ripple current applied.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
1/ 11
SMM Series
SMM Specifications
Item
Category Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Leakage Current
25 to
85 C
Characteristics
Engineering Bulletin Jul 03
160 to 450VDC
47 to 3,300 F
20% ( M ) at
20 C, 120Hz
20 C.
I
≤
3 CV ( A ) after 5 minutes at
At
20 C, 120Hz
160 - 400
0.15
Where I = Max. leakage current ( A ), C = Nominal capacitance ( F ) and V = Rated voltage ( V )
Dissipation Factor ( Tan )
Rated Voltage ( V )
Tan
( DF )
420 - 450
0.20
Low Temperature
Characteristics
At 120Hz, impedance ( Z ) ratio between the
the values given below.
Rated Voltage ( V )
Z ( 25 C ) / Z ( 20 C )
160 - 400
4
420 - 450
8
25 C value and
20 C value shall not exceed
Rated Ripple Current Multipliers
Refer to Section 4 of the
Mini-Glossary for explanation of
Rated Ripple Current Multipliers.
Ambient Temperature ( C )
45 C
1.73
60 C
1.50
70 C
1.32
85 C
1.00
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 3,000 hours at 85 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
SNAP MOUNT- 85 C
The following specifications shall be satisfied when the capacitors are restored to 20 C after
exposing them for 1,000 hours at 85 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
SMM
2 / 11
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
SMM Series
Diagram of Dimensions
Snap Mount
Types VS-T2
Ø
20~
Ø
35;
VN-T2
Ø
22~
Ø
35
See
Pin
Detail
Engineering Bulletin Jul 03
Unit: mm
Type VR-T3
Ø
30
See
Pin
Detail
A
B
*
PVC Sleeve
PC board pin-out
PVC Sleeve
PC board pin-out
45°
15
D 1
2-2x
10
D30 1
**
Vent
L
2
**
Vent
L
2
2-3x
Type VN-T4
Ø
35
See
Pin
Detail
A
*
D35 1
Type VR-T4
Ø
35
See
Pin
Detail
A
*
30°
22.5
D35 1
PVC Sleeve
B
C
*
PC board pin-out
PVC Sleeve
B
C
*
PC board pin-out
30°
22.5
**
Vent
L
2
2-4x
**
Vent
L
2
2-4x
VS & VN Pin Dimensions
VR Pin Dimensions
Standoff Pin (Standard)
***
Straight Pin
W
2
W
1
W
1
P
Edge
of can
W
P
P
W
P
1
W
1
W
Edge
of can
Type
VS -T2
Ø
20 -
Ø
30
VS -T2
Ø
35
VN-T2
Ø
20 -
Ø
35
VN-T4
Ø
35
P
4.0
3.5
5.8
5.8
0.5
0.5
1.0
1.0
W
W
1
W
2
Type
VR
(Standoff Pin)
VR
(Straight Pin)
1.5 0.2
1.0
1.0
P
3.75 1.0
5.50 1.0
P
1
2.0 max.
—
W
1.5 0.1
W
1
SNAP MOUNT- 85 C
0.7
SMM
CAUTION:
*
Use the blank terminals for mechanical support only. The blank terminals must not be connected to a solder trace on the
PC board, but be electrically isolated from the negative or positive terminal.
**
Vent may be located either on the bottom or side of the can.
***
Please add an “H” to the end of the part number for standoffs.
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
3 / 11
SMM Series
Part Numbering System for SMM Series
SMM
400
VS
561
M
35X40
T2
Engineering Bulletin Jul 03
When ordering, always specify complete catalog number for SMM Series.
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. R56 = .56 F; 5R6 = 5.6 F;
56R = 56 F; 561 = 560 F; 562 = 5,600 F; 563 = 56,000 F ).
Lead Configuration: VS or VN = Snap-in Terminals.
VR = Straight Pins with or without Standoffs.
See diagrams for terminal options.
DC Rated Voltage: Expressed in Volts (e.g. 400 = 400WVDC).
Series Name: Indicates Basic Capacitor Design.
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
85 C, 120Hz
1.28
1.55
1.63
1.9
2.14
2.35
2.64
1.3
1.63
1.86
2.15
2.35
2.68
3.02
3.47
1.62
1.86
2.15
2.33
2.65
3.0
3.43
3.96
2.05
2.33
2.64
2.96
3.41
3.96
4.31
4.96
2.26
2.49
3.13
3.4
3.94
160 Volts
200 Volts Surge
270
330
390
470
560
680
820
270
390
470
560
680
820
1,000
1,200
390
470
560
680
820
1,000
1,200
1,500
560
680
820
1,000
1,200
1,500
1,800
2,200
680
820
1,000
1,200
1,500
SMM160VS271M20X25T2
SMM160VS331M20X25T2
SMM160VS391M20X30T2
SMM160VS471M20X30T2
SMM160VS561M20X35T2
SMM160VS681M20X40T2
SMM160VS821M20X45T2
SMM160VS271M22X20T2
SMM160VS391M22X25T2
SMM160VS471M22X30T2
SMM160VS561M22X30T2
SMM160VS681M22X35T2
SMM160VS821M22X40T2
SMM160VS102M22X45T2
SMM160VS122M22X50T2
SMM160VS391M25X20T2
SMM160VS471M25X25T2
SMM160VS561M25X25T2
SMM160VS681M25X30T2
SMM160VS821M25X30T2
SMM160VS102M25X35T2
SMM160VS122M25X40T2
SMM160VS152M25X50T2
SMM160VS561M30X20T2
SMM160VS681M30X25T2
SMM160VS821M30X25T2
SMM160VS102M30X30T2
SMM160VS122M30X30T2
SMM160VS152M30X35T2
SMM160VS182M30X40T2
SMM160VS222M30X50T2
SMM160VS681M35X20T2
SMM160VS821M35X20T2
SMM160VS102M35X25T2
SMM160VS122M35X25T2
SMM160VS152M35X30T2
20
20
20
20
20
20
20
22
22
22
22
22
22
22
22
25.4
25.4
25.4
25.4
25.4
25.4
25.4
25.4
30
30
30
30
30
30
30
30
35
35
35
35
35
25
25
30
30
35
40
45
20
25
30
30
35
40
45
50
20
25
25
30
30
35
40
50
20
25
25
30
30
35
40
50
20
20
25
25
30
0.921
0.753
0.638
0.529
0.444
0.366
0.303
0.921
0.638
0.529
0.444
0.366
0.303
0.249
0.207
0.638
0.529
0.444
0.366
0.303
0.249
0.207
0.166
0.444
0.366
0.303
0.249
0.207
0.166
0.138
0.113
0.366
0.303
0.249
0.207
0.166
SNAP MOUNT- 85 C
SMM
*
The case sizes in table are with no sleeve, refer to diagrams for case sizes with sleeve.
4 / 11
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
SMM Series
Standard Voltage Ratings - VS/Snap Mount
Rated
Voltage
(WVDC)
Capacitance
(µF )
Catalog
Part Number
Nominal
Case Size*
D L ( mm )
Engineering Bulletin Jul 03
Maximum ESR
(
Ω
) at
20 C, 120Hz
Rated
Ripple Current
(A rms) at
85 C, 120Hz
4.28
4.96
5.57
6.21
1.29
1.77
1.84
1.91
2.15
2.41
2.72
1.18
1.77
1.84
1.91
2.25
2.48
2.86
3.1
1.49
2.08
2.25
2.5
2.75
3.06
3.63
1.88
2.46
2.69
3.1
3.55
4.1
4.55
2.26
2.98
3.49
4.02
4.54
4.83
5.3
1.19
1.39
1.56
1.74
2.03
2.18
2.48
1.18
1.37
1.51
1.73
1.97
2.18
2.48
2.81
3.28
1.35
1.49
160 Volts
200 Volts Surge
1,800
2,200
2,700
3,300
270
330
390
470
560
680
820
220
330
390
470
560
680
820
1,000
330
470
560
680
820
1,000
1,200
470
680
820
1,000
1,200
1,500
1,800
680
1,000
1,200
1,500
1,800
2,200
2,700
220
270
330
390
470
560
680
220
270
330
390
470
560
680
820
1,000
270
330
SMM160VS182M35X35T2
SMM160VS222M35X40T2
SMM160VS272M35X45T2
SMM160VS332M35X50T2
SMM180VS271M20X25T2
SMM180VS331M20X30T2
SMM180VS391M20X30T2
SMM180VS471M20X35T2
SMM180VS561M20X40T2
SMM180VS681M20X45T2
SMM180VS821M20X50T2
SMM180VS221M22X20T2
SMM180VS331M22X25T2
SMM180VS391M22X25T2
SMM180VS471M22X30T2
SMM180VS561M22X35T2
SMM180VS681M22X35T2
SMM180VS821M22X40T2
SMM180VS102M22X50T2
SMM180VS331M25X20T2
SMM180VS471M25X25T2
SMM180VS561M25X25T2
SMM180VS681M25X30T2
SMM180VS821M25X35T2
SMM180VS102M25X40T2
SMM180VS122M25X45T2
SMM180VS471M30X20T2
SMM180VS681M30X25T2
SMM180VS821M30X25T2
SMM180VS102M30X30T2
SMM180VS122M30X35T2
SMM180VS152M30X40T2
SMM180VS182M30X45T2
SMM180VS681M35X20T2
SMM180VS102M35X25T2
SMM180VS122M35X30T2
SMM180VS152M35X35T2
SMM180VS182M35X35T2
SMM180VS222M35X40T2
SMM180VS272M35X50T2
SMM200VS221M20X25T2
SMM200VS271M20X25T2
SMM200VS331M20X30T2
SMM200VS391M20X35T2
SMM200VS471M20X35T2
SMM200VS561M20X40T2
SMM200VS681M20X50T2
SMM200VS221M22X20T2
SMM200VS271M22X25T2
SMM200VS331M22X25T2
SMM200VS391M22X30T2
SMM200VS471M22X30T2
SMM200VS561M22X35T2
SMM200VS681M22X40T2
SMM200VS821M22X45T2
SMM200VS102M22X50T2
SMM200VS271M25X20T2
SMM200VS331M25X20T2
35
35
35
35
20
20
20
20
20
20
20
22
22
22
22
22
22
22
22
25.4
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
35
20
20
20
20
20
20
20
22
22
22
22
22
22
22
22
22
25.4
25.4
35
40
45
50
25
30
30
35
40
45
50
20
25
25
30
35
35
40
50
20
25
25
30
35
40
45
20
25
25
30
35
40
45
20
25
30
35
35
40
50
25
25
30
35
35
40
50
20
25
25
30
30
35
40
45
50
20
20
0.138
0.113
0.092
0.075
0.921
0.753
0.638
0.529
0.444
0.366
0.303
1.13
0.753
0.638
0.529
0.444
0.366
0.303
0.249
0.753
0.529
0.444
0.366
0.303
0.249
0.207
0.529
0.366
0.303
0.249
0.207
0.166
0.138
0.366
0.249
0.207
0.166
0.138
0.113
0.092
1.13
0.921
0.753
0.638
0.529
0.444
0.366
1.13
0.921
0.753
0.638
0.529
0.444
0.366
0.303
0.249
0.921
0.753
180 Volts
225 Volts Surge
SNAP MOUNT- 85 C
SMM
200 Volts
250 Volts Surge
*
The case sizes in table are with no sleeve, refer to diagrams 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 / 11
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