ESMM351VSN181MQ25T 반도체 회로 부품 판매점
capacitor
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 United Chemi-Con |
SMM SERIES
Engineering Bulletin Mar 07
SMM Series
Ⅲ Snap Mount
Ⅲ Downsize
Ⅲ High Voltage
Ⅲ Long Life
Ⅲ RoHS
Compliant
Ⅲ 85؇C
Maximum
Temperature
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 curr ent 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 4-pin straight terminals. The SMM series capacitors are RoHS compliant offering
Pb-free construction.
The standard SMM series capacitors are not solvent proof. Refer to guidelines and precautions on the
website for usage and installation conditions recommended for United Chemi-Con products.
Summary of Specifications
Ⅲ PC board 2 or 4-pin snap-in; optional 4-pin straight terminals.
Ⅲ Capacitance range: 47 to 3,300μF.
Ⅲ Voltage range: 160 to 450VDC.
Ⅲ Category temperature range: 25؇C to 85؇C.
Ⅲ Leakage current: 3 CV (μA) maximum after 5 minutes at 20؇C.
Ⅲ Standard capacitance tolerance: ؓ20%
Ⅲ Nominal case size (DL): 2025mm to 3550mm.
Ⅲ 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
http://www.Datasheet4U.com
SMM Series
Engineering Bulletin Mar 07
SMM Specifications - Snap Mount
Item
Category Temperature Range
Rated Voltage Range
Capacitance Range
Capacitance Tolerance
Leakage Current
Dissipation Factor ( Tan ␦)
Characteristics
25 to 85؇C
160 to 450VDC
47 to 3,300F
ؓ20% ( M ) at 20؇C, 120Hz
I ≤ 3 CV (A ) after 5 minutes at 20؇C.
Where I = Max. leakage current (A ), C = Nominal capacitance (F ) and V = Rated voltage ( V )
At 20؇C, 120Hz
Rated Voltage ( V )
Tan ␦ ( DF ) Max.
160 - 400
0.15
420 - 450
0.20
Low Temperature
Characteristics
At 120Hz, impedance ( Z ) ratio between the 25؇C value and 20؇C value shall not exceed
the values given below.
Rated Voltage ( V )
Z (25؇C ) / Z (20؇C )
160 - 400
4
420 - 450
8
Rated Ripple Current Multipliers
Ambient Temperature (؇C )
45؇C
1.73
60؇C
1.50
70؇C
1.32
Frequency (Hz )
DC Rated Voltage
160 - 250V
315 - 450V
50Hz
0.81
0.77
85؇C
1.00
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)
Shelf 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
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
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
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ESMM351VSN181MQ25T capacitor
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