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Medium Power Film Capacitors
FFV3 (RoHS Compliant)
DC FILTERING
The series uses a non-impregnated metallized polypropylene
or polyester dielectric, with the controlled self-healing process,
specially treated to have a very high dielectric strength in oper-
ating conditions up to 105°C.
The FFV3 has been designed for printed circuit board mounting.
B
General tolerance: ± 0.5 ( ± 0.020)
Dimensions: millimeters (inches)
1.2 (0.048) B
A
1
2
1
2
30 (1.181)
APPLICATIONS
The FFV3 capacitors are particularly designed for DC filter-
ing, low reactive power.
STANDARDS
25 (0.984)
16 (0.630)
3
4
40 (1.575)
0.6 (0.024) A
Plastic Case
3
4
IEC 61071-1, IEC 61071-2: Power electronic capacitors
IEC 60384-16: Fixed metallized polypropylene
film dielectric DC capacitors
IEC 60384-16-1: Fixed metallized polypropylene
film dielectric DC capacitors
Assessment level E
1.2 (0.047)
± 0.1 (0.004)
40 (1.575)
0.8 (0.032)
± 0.1 (0.004)
4.5 (0.178)
± 1 (0.040)
36 (1.418)
IEC 60384-17: Fixed metallized polypropylene
film dielectric AC and pulse
capacitors
IEC 60384-17-1: Fixed metallized polypropylene
film dielectric AC and pulse
capacitors
Assessment level E
IEC 60384-2: Fixed metallized polyester
capacitors
LIFETIME EXPECTANCY
One unique feature of this technology (as opposed to elec-
trolytics) is how the capacitor reacts at the end of its lifetime.
Unlike aluminum, electrolytics film capacitors do not have a
catastrophic failure mode. Film capacitors simply experience
a parametric loss of capacitance of about 2%, with no risk of
short circuit.
Please note that this is theoretical, however, as the capacitor
continues to be functional even after this 2% decrease.
PACKAGING MATERIAL
Self-extinguishing plastic case (V0 = in accordance with UL 94)
filled thermosetting resin.
Self-extinguishing thermosetting resin (V0 = in accordance with
UL 94; I3F2 = in accordance with NF F 16-101).
8
HOT SPOT CALCULATION
See Hot Spot Temperature, page 3.
θ hot spot = θ ambient + (P d + P t ) x (R th + 7.4)
θ hot spot = θ case + (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 tg δ 0
tg δ 0 (tan delta)
For polypropylene, tg δ 0 = 2 x 10 -4 for frequencies
up to 1MHz and is independent of temperatures.
For polyester, tg δ 0 values are shown in graph 4
on page 3.
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 R th : R th case/hot spot in °C/W
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