B43740B4478M7

Aluminum Electrolytic Capacitors
Capacitors with screw terminals
Series/Type: B43740, B43760
Date: April 1, 2014
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Capacitors with screw terminals 钉式电容器
螺钉式电容 螺钉式电容
螺钉式电容
B43740,B43760
Extra long useful life -
--
- 105ºC 超长使用寿命型
超长使用寿命型 超长使用寿命型
超长使用寿命型 -
--
- 105ºC
Long life grade capacitors
长寿命级电容
长寿命级电容长寿命级电容
长寿命级电容
Applications
应用
应用应用
应用
Frequency converters
变频器
Traction
机车牵引装置
Professional power supplies
专业电源
Solar and wind power generator
太阳能和风力发电设备
Features
特点
特点特点
特点
Outstanding reliability
卓越的可靠性
优异的导热能力与高耐纹波电流能力
Extra long useful life
超长使用寿命
Wide temperature range
工作温度范围宽
All-welded constructions ensure reliable elecrical contact
全焊结构,确保可靠的电气接触性
PAPR terminals available (Protection Against Polarity Reversal)
可选
PAPR
型端子
(极性颠倒保护)
Version with optimized construction for base cooling (heat sink mounting) available
可选底部散热结构优化型 (散热板安装)
Version with low-inductance design available
可选低感抗型
RoHS-compatible
符合
RoHS
要求
Construction
结构
结构结构
结构
Charge/discharge-proof, polar
耐充放电,有极性
Aluminum case with insulating sleeve
铝质外壳,带绝缘套管
Poles with screw terminal connections
螺钉连接电极
Mounting with ring clips, clamps or threaded stud
采用卡夹/卡环或底部螺栓安装
Page 2 of 10
Capacitors with screw terminals 钉式电容器
螺钉式电容 螺钉式电容
螺钉式电容
B43740,B43760
Extra long useful life -
--
- 105ºC 超长使用寿命型
超长使用寿命型 超长使用寿命型
超长使用寿命型 -
--
- 105ºC
Specifications and characteristics in brief
规格性能参数一览
规格性能参数一览规格性能参数一览
规格性能参数一览
Rated voltage V
R
350…450 V DC
额定电压V
R
Surge voltage V
S
1.10
V
R
(105°C: V
R
400V DC; 85°C: V
R
= 450V DC)
浪涌电压V
S
-40 ºC…+105 ºC
Rated capacitance C
R
1000…18000 µF
额定电容量C
R
(20 ºC,120 Hz)
Capacitance tolerance ±20% M
电容量公差
I
leak
Requirements 要求:
C/C
±15% of initial value 初始值的±15%
tanδ
1.75 times initial specified limit 1.75倍初始规定值
I
leak
initial specified limit 初始规定值
50Hz 120Hz 1kHz 10kHz
0.78 1 1.34 1.38
+40 ºC +55 ºC +90 ºC +105 ºC
3.10 3.00 2.14 1.00
Operating temperature
range
工作温度范围
Dissipation factor(max.)
损耗正切角(最大值)
20ºC,120Hz.
0.2
Leakage current I
leak
(20 ºC,after 5 minutes)
Z (-25 ºC)
Z (+20 ºC)
Useful life
使用寿命
(105 ºC,V
R
,I
AC,R
)
漏电流 I
leak
(20 ºC,5分钟后)
Z (-40 ºC)
Z (+20 ºC)
Low temperature stability
低温稳定性
(max impedance ratio)
(最大阻抗比率)
4
10
6000h
Shelf life
储存寿命
After storage for 1000 h at 105 ºC, the capacitors shall meet the requirement of
useful life test after reforming process. After test: V
R
to be applied for 30 minutes,
24 to 48 hours before measurement.
105ºC高温贮存1000小时,并预处理后,电容器必须符合使用寿命测试中对其电性
能的要求。预处理方法:先加额定电压充电30分钟,恢复24至48小时后再测试。
Frequency multiplier for
rated ripple current
额定纹波电流频率系数
300Hz
1.25
Temperature multiplier
for rated ripple current
额定纹波电流温度系数
+70 ºC
2.78
Sectional specification
分规范
IEC 60384-4
0.018

.
+ 4
Page 3 of 10

B43740B4478M7

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
CAP ALUM 4700UF 20% 350V SCREW
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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