Instruction Manual

www.vishay.com
25
Phao.../.µF
Vishay ESTA
Document Number: 13060
Revision 28-Mar-02
U
N
MAX. C
N
R
S
P
V
MAX. VERSION TYPE
(V) (µF) (Ohm) (W) Phao . . .
2200 0.22 1 x 10
-3
3 A .. 2.2/0.22µF
1800 0.45 1 x 10
-3
3 A .. 1.8/0.45µF
1500 1.00 1 x 10
-3
3 A .. 1.5/1.00µF
1300 2.00 1 x 10
-3
3 A .. 1.3/2.00µF
900 4.00 1 x 10
-3
3 A .. 900/4.00µF
2200 1.00 5 x 10
-4
9 B .. 2.2/1.00µF
2200 1.50 5 x 10
-4
9 B .. 2.2/1.50µF
2200 2.00 5 x 10
-4
9 B .. 2.2/2.00µF
2200 3.00 5 x 10
-4
9 B .. 2.2/3.00µF
1800 4.00 5 x 10
-4
9 B .. 1.8/4.00µF
Formula for calculating Pv(W) and I(A) :
Q = 2 π x f x U
2
x C x 10
–9
(kVAr)
I = Q/U (A)
Pv = I
2
x R
S
+ Q x 10
- 4
(W)
EXAMPLE
Type Phao 1.5/1µF(= version A) on U = 1000V and
f = 4000Hz ?
Q = 2 π x 4000 x 1000
2
x 10
- 6
(Var) = 25130 Var
I = 25130/1000 = 25.13A
P
V
= 25.13
2
x 1 x 10
- 3
+ 25130 x 10
- 4
= 3.145W
= > version A not suitable, take version B type Phao 2.2/1µF.
Medium Frequency Capacitors
SMALL CAPACITORS SELF-COOLED