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參數(shù)資料
| 型號： | SVHB21A105K |
| 廠商： | NEC Corp. |
| 英文描述： | SURFACE MOUNT RESIN MOLDED TANTALUM CHIP CAPACITORS HIGH RELIABILITY |
| 中文描述： | 表面貼裝模壓片式鉭電容器高可靠性 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 104K |
| 代理商： | SVHB21A105K |
15
SV/H SERIES
2. Series resistance
As shown in Figure 1, reliability is increased by inserting a series resistance of at least 3
/V into circuits where
current flow is momentary (switching circuits, charge/discharge circuits, etc.).
If the capacitor is in a low-impedance circuit, the voltage applied to the capacitor should be less than 1/2 to 1/3
of the rated DC working voltage.
10
1
M
0.1
0.1
1
Series Resistance (
/V)
10
100
Figure 1. Effects of Series Resistance
3. Ripple voltage
The sum of DC voltage and peak ripple voltage should not exceed the rated DC working voltage of the capacitor.
Figure 2. Permissible Ripple Voltage vs. Frequency
Figure 2 is based on an ambient temperature of 25
°
C. For higher temperature, permissible ripple voltage shall
be derated as follows.
Permissible voltage @ 50
°
C = 0.7
×
permissible voltage @25
°
C
Permissible voltage @ 85
°
C = 0.5
×
permissible voltage @25
°
C
Permissible voltage @ 125
°
C = 0.3
×
permissible voltage @25
°
C
100
10
1
0.1
0.1
1
Frequency (kHz)
R
10
100
Case: A, B
2
@ 25
°
C
35 V
25 V
20 V
16 V
10 V
100
10
1
0.1
0.1
1
Frequency (kHz)
R
10
100
Case: C, D
2
@ 25
°
C
35 V
25 V
20 V
16 V
10 V
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