AEC-C_B41231_B43231.book Seite 1 Mittwoch, 16. April 2008 2:27 14
Aluminum electrolytic capacitors
Alu-X product lines
Snap-in capacitors
Series/Type:
Data
Sheet
Date:
B41231, B43231
April 2008
© EPCOS AG 2008. Reproduction, publication and dissemination of this publication and the information contained therein without EPCOS’ prior express consent is prohibited.
AEC-C_B41231_B43231.book Seite 2 Mittwoch, 16. April 2008 2:27 14
Snap-in capacitors
Standard series – 85 °C
Snap-in capacitors
Standard series – 85 °C
B41231, B43231
B41231, B43231
General-purpose grade capacitors
Applications
■ Switch-mode power supplies in industrial and entertainment electronics
Features
■ High ripple current capability
■ RoHS-compatible
■ Load life of 2000 h at 85 °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
Please read Cautions and warnings and
Important notes at the end of this document.
2
04/08
AEC-C_B41231_B43231.book Seite 3 Mittwoch, 16. April 2008 2:27 14
Snap-in capacitors
Standard series – 85 °C
B41231, B43231
Specifications and characteristics in brief
Rated voltage VR
10 … 500 V DC
Operating temperature range
VR ≤ 250 V DC: –40 °C … +85 °C
VR ≥ 315 V DC: –25 °C … +85 °C
Rated capacitance CR 56 … 68000 µF
(20 °C, 120 Hz)
Capacitance tolerance ±20%
Load life
(85 °C, VR, IAC,R)
M
2000 h
Requirements:
∆C/C ≤ ±20% of initial value
tan δ ≤ 2 times initial specified limit
Ileak ≤ initial specified limit
Leakage current Ileak
⎛ CR ⋅ V
------R-⎞
(20 °C, after 5 minutes) I leak ≤ 0.02 µA ⋅ ⎝ ------µF V ⎠
Dissipation factor
(max.)
(20 °C, 120 Hz)
VR
(V DC)
10
16
25
tan δ
0.50
0.50
0.40 0.40 0.30 0.25 0.20 0.15 0.12
Low temperature
stability
(impedance ratio)
(120 Hz)
VR (V DC)
10
16 ... 160
200 ... 250
315 ... 400
450 ... 500
Z ( – 25 °C )
--------------------------Z ( +20 °C )
5
4
7
8
8
Z ( – 40 °C )
--------------------------Z ( +20 °C )
18
15
12
–
–
Shelf life
After storage for 1000 h at 85 °C, the capacitors shall meet the requirement
of load life test after reforming process. After test: VR to be applied for
30 minutes, 24 to 48 hours before measurement.
Frequency multiplier
for rated ripple current ≤50 V
35
50
63
80
100 160 ... 250 ... 450 ...
200
400
500
0.15
50 Hz
120 Hz
1 kHz
10 kHz
20 kHz
0.95
1.00
1.10
1.15
1.15
63 ... 100 V
0.95
1.00
1.16
1.30
1.33
≥160 V
0.90
1.00
1.20
1.50
1.55
Temperature multiplier
for rated ripple current
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