Engineering Bulletin Mar 07
SMQ Series
SMQ Specifications - Snap Mount
Item
Characteristics
ꢃ
ꢀ
25 to 85ꢁC
Category Temperature Range
Rated Voltage Range
Capacitance Range
160 to 450VDC
82 to 3,900ꢀF
ꢄ
ꢀ
Capacitance Tolerance
Leakage Current
20% (M) at 20ꢁC, 120Hz
I ≤ 3 CV (ꢀA) after 5 minutes at 20ꢁC.
Where I=Max. leakage current (ꢀA), C=Nominal capacitance (ꢀF) and V=Rated voltage (V)
ꢀ
ꢀ
At 20ꢁC, 120Hz
Dissipation Factor (Tan ꢁ)
Rated Voltage (V)
160-250
0.15
315-400
0.15
420, 450
0.20
Tan ꢁ (DF) Max.
ꢃ
ꢀ
Low Temperature
Characteristics
At 120Hz, impedance (Z) ratio between the 25ꢁC value and 20ꢁC value shall not exceed
the values given below.
Rated Voltage (V)
160-250
4
315-400
8
420, 450
8
ꢃ
ꢀ
Z( 25ꢁC) /Z( 20ꢁC)
Rated Ripple Current Multipliers
Frequency (Hz)
DC Rated Voltage
160-250V
50Hz
0.81
0.77
120Hz
300Hz
1kHz
1.32
1.30
10kHz
1.45
50kHz
1.50
1.00
1.00
1.17
1.16
315-450V
1.41
1.43
ꢀ
The following specifications shall be satisfied when the capacitors are restored to 20ꢁC after
subjecting them to DC voltage for 2,000 hours at 85ꢁC with the rated ripple current applied.
Endurance
(Load Life)
ꢀ
The sum of the DC voltage and peak AC voltage must not exceed the full rated voltage of
the capacitors.
ꢄ
Capacitance change: ≤ 20% of initial measured value
Tan ꢁ (DF)
Leakage current
: ≤ 200% of initial specified value
: ≤ initial specified value
ꢀ
The following specifications shall be satisfied when the capacitors are restored to 20ꢁC after
exposing them for1,000 hours at 85ꢁC without voltage applied. The rated voltage shall be
Shelf Life
ꢀ
applied to the capacitors for a minimum of 30 minutes, at least 24 hours and not more than
48 hours before the measurements.
ꢄ
Capacitance change: ≤ 15% of initial measured value
Tan ꢁ (DF)
Leakage current
: ≤ 150% of initial specified value
: ≤ initial specified value
Diagram of Dimensions - Snap Mount
Snap Mount
Unit: mm
Type VSN Ø22~Ø35
VS Pin Dimensions
See
PET Sleeve
PC board pin-out
Pin
Detail
W2
W1
P
Edge
of can
Dꢆ1
10
2-2x
W
Vent
*
Lꢇ2
Standard design does not have a plastic end disk.
Type
VSN
P
W
ꢄ
W1
1.0
W2
1.0
ꢄ
4.0 0.5 1.5 0.2
Vent may be located either on the bottom or side of the can.
*
2/7
United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com
CHEMI-CON [ UNITED CHEMI-CON, INC. ]
