Catalogue AVX Medium Power Film Capacitors
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Medium Power Film capacitors
FFV3 for Low Voltage Applications
DC FILTERING POLYESTER DIELECTRIC ELECTRICAL CHARACTERISTICS
Capacitance range Cn 30uF to 160uF
Tolerance on Cn
±10%
Rated DC voltage Vndc
75 to 400 V
Dielectric
polyester
Capacitance (MF)
'rms max.
(A)
02t)10 shots
(A2s)
(|2t)1000 shots
(A2s)
Rs
(mfì)
Rth (°C/W)
Part Number
Vndc = 75 V
Vrms = 45 v max
130
23
370
37
0.56
5.60
FFV34D0137K--
160
28
560
56
0.47
5.00
FFV34D0167K--
Vndc = 100V
Vrms = 60 v max
80
19
250
25
0.67
6.16
FFV34E0806K--
100
24
390
39
0.55
5.42
FFV34E0107K--
Vndc = 160V
Vrms = 75 v max
55
17
180
18
0.77
6.56
FFV34F0556K--
65
20
260
26
0.66
5.97
FFV34F0656K--
Vndc = 300 V
Vrms = 90 v max
40
20
150
15
2.80
9.58
FFV34H0406K--
50
26
230
23
2.25
8.46
FFV34H0506K--
Vndc = 400 V
Vrms = 105 v max
30
17
110
11
2.93
9.92
FFV34I0306K--
40
23
200
20
2.21
8.41
FFV34I0406K--
LIFETIME EXPECTANCY vs Vw/Vn AND HOT SPOT TEMPERATURE
1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4
S
\
N
s.
6P°C
s,
\
—^
•v.
«s.
•s.
s
S,g5°C
s;
•»
¿PC
>»
Si
»
«„g5°C
—
—
'S
««
N.
Ni
105°C
te
N.
*■
*■
o
>
0.3
100
1000 10000
Lifetime Expectancy (hours)
100000
Vw = Permanent working or operating DC voltage.
HOT SPOT CALCULATION
9hot spot = 9ambient + (Pd + Pt) x (Rth + 7.4) 9hot spot = Qcase + (Pd + Pt) X Rth
with Pd (Dielectric losses) = Q x tgSo
=> [ }2X Cn X (Vpeak to peak)2 X f ] X tgSo
(see tgS0 curves page 3)
Pt (Thermal losses) = Rs x (Irms)2
where Cn in Farad Irms in Ampere f in Hertz V in Volt Rs in Ohm 9 in °C
Rth in °C/W Rth : Rth case/hot spot in °C/W
11
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