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参数资料
| 型号： | EKMR251VSN821MQ40S |
| 厂商： | United Chemi-Con |
| 文件页数： | 1/3页 |
| 文件大小： | 0K |
| 描述： | DOWNSIZED 105C SNAP IN |
| 标准包装： | 200 |
| 系列： | KMR |
| 电容： | 820µF |
| 额定电压： | 250V |
| 容差： | ±20% |
| 寿命@温度： | 105°C 时为 2000 小时 |
| 工作温度： | -25°C ~ 105°C |
| 特点： | 通用 |
| 纹波电流： | 2.08A |
| 安装类型： | 通孔 |
| 封装/外壳： | 径向，Can - 卡入式 |
| 尺寸/尺寸： | 1.000" 直径（25.40mm） |
| 高度 - 座高（最大）： | 1.673"（42.50mm） |
| 引线间隔： | 0.394"（10.00mm） |
| 包装： | 散装 |
LARGE CAPACITANCE ALUMINUM ELECTROLYTIC CAPACITORS
KMR
@ Downsized 5mm in height from current snap-ins KMQ series
Downsized snap-ins, 105 C
@ Max. 50% up ripple current than same case size of KMQ series
@ Endurance with ripple current : 2,000 hours at 105 C
@ Rated voltage range : 160 to 450V dc , Capacitance range : 100 to 3,300 M F
@ For inverter control, switching power supplies
@ Non solvent resistant type
@ RoHS Compliant
? SPECIFICATIONS
Downsized
KMQ
Items
Category
Temperature Range
Rated Voltage Range
-25 to +105 C
160 to 450V dc
Characteristics
Capacitance Tolerance
Leakage Current
P 20% (M)
I [ 3 CV
Where, I : Max. leakage current ( M A), C : Nominal capacitance ( M F), V : Rated voltage (V)
(at 20 C , 120Hz)
(at 20 C after 5 minutes)
Dissipation Factor
Rated voltage (V dc )
160 to 250V 315 to 400V 420 & 450V
(tan e )
tan E (Max.)
0.15
0.15
0.20
(at 20 C , 120Hz)
Low Temperature
Rated voltage (V dc )
160 to 250V 315 to 400V 420 & 450V
Characteristics
(Max. Impedance Ratio)
Z(-25 C )/Z(+20 C )
4
8
8
(at 120Hz)
Endurance
The following specifications shall be satisfied when the capacitors are restored to 20 C after subjected to DC voltage with the rated
ripple current is applied for 2,000 hours at 105 C .
Capacitance change
D.F. (tan E )
Leakage current
[P 20% of the initial value
[ 200% of the initial specified value
[ The initial specified value
Shelf Life
The following specifications shall be satisfied when the capacitors are restored to 20 C after exposing them for 1,000 hours at 105 C without
voltage applied. Before the measurement, the capacitor shall be preconditioned by applying voltage according to Item 4.1 of JIS C 5101-4.
Capacitance change
D.F. (tan E )
Leakage current
? DIMENSIONS [mm]
[P 15% of the initial value
[ 150% of the initial specified value
[ The initial specified value
@ Terminal Code : VS ( F 22 to F 35) : Standard
@ Terminal Code : LI ( F 35)
Sleeve (PET : Brown)
Negative mark
PC board pin-out
Sleeve (PET : Brown)
Negative mark
PC board pin-out
2-1.2 B 6
2- F 2
5 P 0.5
Vent
L P 2.5
4.0 P 0.5
Vent
L P 2.5
4.5 P 1
14.2 P 1
The standard design has no plastic disc.
? PART NUMBERING SYSTEM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
E KMR A A A V S N A A A M A A A S
Supplement code
Size code
Capacitance tolerance code
Capacitance code (ex. 100 M F:101, 2,700 M F:272)
Dummy terminal code
Terminal code (VS, LI)
Voltage code (ex. 160V:161, 315V:3B1, 450V:451)
Series code
Category
Please refer to "Product code guide (snap-in type)"
(1/3)
CAT. No. E1001K
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