Long life grade capacitors
Applications
Snap-in capacitors
Standard series – 105
°C
Snap-in capacitors
Standard series – 105
°C
B43254
B43254
■
Switch-mode power supplies in industrial and entertainment electronics
Features
■
High ripple current capability
■
RoHS-compatible
■
Long load life of 3000 h at 105
°C
Construction
■
■
■
■
Aluminum case, fully insulated
Snap-in solder pins to hold component in place on PC-board
Minus pole marking on the insulating sleeve
Case with safety vent
Specifications and characteristics in brief
Rated voltage V
R
Operating temperature
range
Rated capacitance C
R
(20
°C,
120 Hz)
Capacitance tolerance
Load life
(105
°C,
V
R
, I
AC,R
)
160 … 450 V DC
V
R
≤
250 V DC: –40
°C
… +105
°C
V
R
≥
350 V DC: –25
°C
… +105
°C
47 … 2700
µF
±20%
3000 h
M
Requirements:
∆C/C ≤ ±20%
of initial value
tan
δ ≤
2 times initial specified limit
I
leak
≤
initial specified limit
Leakage current I
leak
(20
°C,
after 5 minutes)
Dissipation factor (max.)
(20
°C,
120 Hz)
C
R
V
R
-
I
leak
≤
3 µA
⋅
-------
⋅
------
µF V
V
R
(V DC)
tan
δ
160 ... 400
0.15
160 ... 400
4
450
0.20
450
8
Low temperature stability V
R
(V DC)
(impedance ratio)
Z
(
–
25 °C
)
--------------------------
-
(120 Hz)
Z
(
+20 °C
)
Shelf life
After storage for 1000 h at 105
°C,
the capacitors shall meet the re-
quirement of load life test after reforming process. After test: V
R
to be
applied for 30 minutes, 24 to 48 hours before measurement.
50 Hz
0.90
+40
°C
2.7
120 Hz
1.00
+55
°C
2.5
1 kHz
1.20
+70
°C
2.1
10 kHz
1.50
+85
°C
1.7
20 kHz
1.55
+105
°C
1.0
Frequency multiplier
for rated ripple current
Temperature multiplier
for rated ripple current
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
04/08
EPCOS [ EPCOS ]
