Medium Power Film Capacitors
FFLB Design
ELECTRICAL CHARACTERISTICS
Capacitance Range C N
Tolerance on C N
Rated DC Voltage U N dc
Maximum rms Current I rms max
Stray Inductance L s
FFLB
58 μF to 800 μF
±10%
680 to 1900 V
up to 60 Arms
60 to 100 nH
Part
Number
Capacitance
(μF)
Height
mm (in)
Irms
(A)
Ls
(nH)
Rs
(m )
Rth
(°C/W)
Weight
(kg)
U N dc: 680 V
FFLB6A0807K--
FFLB6A0657K--
FFLB6A0387K--
800
650
380
170 (6.693)
145 (5.709)
97 (3.819)
45
60
60
100
85
60
6.5
5.6
3.6
3.2
3.3
3.4
1.5
1.3
0.9
U N dc: 1000 V
FFLB6L0467K--
FFLB6L0397K--
FFLB6L0237K--
460
390
230
170 (6.693)
145 (5.709)
97 (3.819)
45
60
60
100
85
60
6.1
5.2
3.5
3.2
3.3
3.7
1.5
1.3
0.9
U N dc: 1200 V
FFLB6U0327K--
FFLB6U0277K--
FFLB6U0167K--
320
270
160
170 (6.693)
145 (5.709)
97 (3.819)
45
60
60
100
85
60
7.2
6.1
4.1
3.2
3.3
3.7
1.5
1.3
0.9
U N dc: 1900 V
FFLB6N1256K--
FFLB6N0107K--
FFLB6N0586K--
125
100
58
170 (6.693)
145 (5.709)
97 (3.819)
50
55
60
100
85
60
3.8
3.4
2.3
3.1
3.3
3.4
1.5
1.3
0.9
LIFETIME EXPECTANCY vs HOT SPOT TEMPERATURE AND VOLTAGE
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
50 ° C
70 ° C
85 ° C
95 ° C
100
1,000
10,000
100,000
1,000,000
Lifetime Expectancy (Hours)
V w : permanent working or operating DC-voltage.
HOT SPOT CALCULATION
θ hot spot = θ ambient + (P d + P t ) x R th
with P d (Dielectric losses) = Q x tg δ 0
? [ 1 ? 2 x C n x (V peak to peak ) 2 x f ] x (2 x 10 -4 )
P t (Thermal losses) = R s x (I rms ) 2
where C n in Farad I rms in Ampere f in Hertz
V in Volt
R s
in Ohm
θ
in °C
R th in °C/W
21
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