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B43254E2277M

CAP ALUM 270UF 20% 250V SNAP

器件类别:无源元件   

厂商名称:EPCOS (TDK)

器件标准:

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器件参数
参数名称
属性值
电容
270µF
容差
±20%
电压 - 额定
250V
不同温度时的使用寿命
105°C 时为 3000 小时
工作温度
-40°C ~ 105°C
极化
极化
应用
通用
纹波电流 @ 低频率
970mA @ 120Hz
纹波电流 @ 高频率
1.504A @ 20kHz
引线间距
0.394"(10.00mm)
大小/尺寸
0.866" 直径(22.00mm)
高度 - 安装(最大值)
1.260"(32.00mm)
安装类型
通孔
封装/外壳
径向,Can - 卡入式
文档预览
Aluminum electrolytic capacitors
Alu-X product lines
Snap-in capacitors
Series/Type:
Date:
Data Sheet
B43254
April 2008
©
EPCOS AG 2008. Reproduction, publication and dissemination of this publication and the infor-
mation contained therein without EPCOS’ prior express consent is prohibited.
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
Snap-in capacitors
Standard series – 105
°C
Dimensional drawing
Minus pole marking
d+1 max.
B43254
Base
l+2 max.
6.0±1*
0.8
±0.
1
0.8±0.1
1.5±0.1
Mounting
holes
Safety vent
on the base
ø2±0.1
±
10
0.
2
KAL1095-Q-E
* = Shorter terminal (4.0
±
0.5) is also available upon request.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
41 ±
˚
25
˚
Insulating
sleeve
3
04/08
Snap-in capacitors
Standard series – 105
°C
Overview of available types B43254
V
R
(V DC)
C
R
(µF)
47
56
68
82
22
×
20
22
×
20
22
×
20
25.4
×
20
22
×
25
25.4
×
20
22
×
25
25.4
×
25
30
×
20
22
×
30
25.4
×
25
30
×
20
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
×
35
×
25
×
25
×
20
×
40
×
30
×
25
×
20
×
45
×
35
×
30
×
25
×
50
×
40
×
30
×
25
160
200
250
350
400
B43254
450
Case dimensions d
×
l (mm)
22
×
25
22
×
20
25.4
×
20
22
×
25
25.4
×
20
22
×
25
25.4
×
25
30
×
20
22
×
20
22
×
30
25.4
×
25
30
×
20
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
×
35
×
30
×
25
×
20
×
40
×
30
×
25
×
20
×
45
×
35
×
30
×
25
×
50
×
40
×
30
×
25
22
×
30
25.4
×
25
22
×
30
25.4
×
25
22
×
35
25.4
×
30
30
×
25
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
×
40
×
30
×
25
×
25
×
45
×
40
×
30
×
25
×
50
×
40
×
30
×
25
100
120
150
22
×
20
22
×
25
25.4
×
20
22
×
25
25.4
×
20
22
×
25
25.4
×
25
30
×
20
22
×
30
25.4
×
25
30
×
20
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
×
35
×
30
×
25
×
20
×
40
×
35
×
25
×
25
×
45
×
35
×
30
×
25
4
180
22
×
20
25.4
×
20
22
×
20
22
×
25
25.4
×
20
22
×
25
25.4
×
25
30
×
20
22
×
30
25.4
×
25
30
×
20
22
25.4
30
35
22
25.4
30
35
×
30
×
25
×
25
×
20
×
35
×
30
×
25
×
20
220
25.4
×
50
30
×
35
35
×
25
30
35
×
40
×
30
×
45
×
35
×
50
×
40
×
45
270
22
×
25
25.4
×
20
22
×
25
25.4
×
20
22
×
25
25.4
×
25
30
×
20
22
×
30
25.4
×
25
30
×
20
25.4
×
45
30
×
35
35
×
30
25.4
×
50
30
×
40
35
×
30
30
35
×
45
×
35
×
50
×
40
330
25.4
×
45
30
×
35
35
×
30
25.4
×
50
30
×
40
35
×
35
30
35
×
45
×
35
30
35
390
30
35
470
30
35
35
Please read
Cautions and warnings
and
Important notes
at the end of this document.
04/08
Snap-in capacitors
Standard series – 105
°C
Overview of available types B43254
V
R
(V DC)
C
R
(µF)
560
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
22
25.4
30
35
×
35
×
30
×
25
×
20
×
40
×
30
×
25
×
20
×
45
×
35
×
30
×
25
×
50
×
40
×
30
×
25
22
25.4
30
35
22
25.4
30
35
×
40
×
30
×
25
×
25
×
45
×
35
×
30
×
25
22
25.4
30
35
×
50
×
40
×
30
×
25
30
35
×
50
×
40
×
50
35
×
45
160
200
250
350
400
B43254
450
Case dimensions d
×
l (mm)
35
×
50
680
25.4
×
50
30
×
35
35
×
30
30
35
×
40
×
35
×
50
×
40
×
60
×
45
×
50
35
35
×
50
820
25.4
×
45
30
×
30
35
×
25
25.4
×
50
30
×
35
35
×
30
30
35
30
35
35
35
×
40
×
35
×
50
×
40
×
45
×
50
1000
30
35
1200
25.4
×
45
30
×
35
35
×
30
25.4
×
50
30
×
40
35
×
30
30
35
30
35
35
×
45
×
35
×
50
×
45
×
50
30
35
35
1500
1800
2200
2700
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
04/08
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