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參數(shù)資料
| 型號： | 489D335X035D46V |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Resin-Coated, Radial-Lead Solid Tantalum Capacitors |
| 中文描述： | 樹脂涂層，徑向引線固體鉭電解電容器 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大小： | 116K |
| 代理商： | 489D335X035D46V |
www.vishay.com
111
489D, 499D
Vishay Sprague
Document Number 42070
Revision 02-Aug-02
For technical questions, contact eurotant@vishay.com
GUIDE TO APPLICATION
1. AC ripple current: The maximum allowable ripple
current shall be determined from the formula:
Irms =
where
2. AC ripple current: The maximum allowable ripple
voltage shall be determined from the formula :
Vrms =
x Z , where
3. AC ripple current or voltage derating factor: If these
capacitors are to be operated at temperatures above
+25°C, the permissible rms ripple current or voltage shall
be calculated using the derating factors in the table
below:
4. Power dissipation: Power dissipation will be affected
by the heat sinking capability of the mounting surface.
Non-sinusoidal ripple current may produce heating effects
which differ from those shown in the following table. It is
important that the equivalent I
RMS value be established
when calculating permissible operating levels.
TEMPERATURE
DERATING FACTOR
+ 25°C
1.0
+ 55°C
0.9
+ 85°C
0.8
+ 125°C.
0.4
CASE
POWER DISSIPATION
CODE
@ + 25
°C (Watts)
A
0.080
B
0.090
C
0.100
D
0.110
E
0.120
F
0.130
H
0.140
M
0.150
N
0.160
R
0.180
5. Cleaning: These capacitors are compatible with all
commonly used solvents, such as TES, TMS, Prelete and
Chloretane. Solvents containing methylene chloride or other
epoxy solvents should be avoided since these will attack the
epoxy encapsulation material.
P = Power Dissipation in Watts at + 25°C as
given below
R
ESR = The capacitor Equivalent Series Resistance at
the specified frequency.
Z = The capacitor Impedance at the specified frequency.
P
R
ESR
P
R
ESR
Resin-Coated, Radial-Leaded
Solid Tantalum Capacitors
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