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Medium Power Film Capacitors
FPX
PROTECTION
www.DataSheet4U.com
APPLICATIONS
Protection of thyristors.
Protection of gate turn-off thyristor (G.T.O.).
Clamping (Secondary snubber).
TECHNOLOGY
Metallized polypropylene dielectric capacitor with controlled
self-healing.
Reinforced metallization developed for high impulse currents.
Axial connections specially developed to reduce series
inductance and to provide rigid mechanical mounting.
PACKAGING
Cylindrical in plastic case filled with thermosetting resin.
Outputs: threaded inserts either M6 or M8.
ELECTRICAL CHARACTERISTICS
Capacitance range Cn
0.5µF to 6µF
Tolerance on Cn
Rated DC voltage Vndc
Peak voltage Vpeak
Allowable overvoltage Vs (for 10 s/day)
Stray inductance
±5%
1000 to 3000 V
1600 to 4000 V
2000 to 4600 V
5 to 20 nH
RMS current
Irms max. = up to 160 A
The currents shown in the tables are maximum.
It is necessary to respect the thermal limits of the dielectric 85°C
see “Hot spot temperature calculation”
Insulation resistance
Impulse current
Ri x C 30,000 s
I2.t maxi. = up to 729 A2.s
Spikes or peak currents in the capacitors may cause a deterioration of the
bonding between the metallization and the connections. These bonds are
capable of withstanding only a limited amount of energy for each spike. The
table shows the maximum energy permitted in the form (I2.t), where I is in
Ampere, and t is in seconds.
Note: The formula (I2.t) replaces dV/dt which is less easy to use as it is not an expression of energy (I = C.dV/dt).
This type of capacitor has been designed to withstand high (I2.t) values.
Variation of capacitance with temperature
C
C
±2%
between
-40
and
85°C
Climatic category
Test voltage between terminals @ 25°C
Test voltage between terminals
and case @ 25°C
40/085/56 (IEC 68)
Vs for 10s
@ 4 kVrms @ 50 Hz for 1 min.
For higher power protection devices and further information
please see PPX Series in Capacitor for High Power Electronics
available on AVX website: www.avxcorp.com
27

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Medium Power Film Capacitors
FPX General Description / Application Notes
PROTECTION
G.T.O.
V
V1
V2
Choice of voltage: V1 Vpeak
V2 Vndc
0
T - 1/fr
www.DataSheet4U.com
THYRISTOR
V
t
Nominal DC voltage (Vndc) and peak voltage (Vpeak)
are given in the tables.
Choice of voltage: V1 Vpeak
Note that V1 is the voltage peak to peak and cannot be
symmetrical vs 0 V
0V
V1
t
CLAMPING
Peak voltage is given in the tables.
Choice of voltage: V1 Vpeak
V2 Vndc
Nominal DC voltage (Vndc) and peak voltage (Vpeak) are
given in the tables.
For higher power protection devices and further information
please see PPX Series in Capacitor for High Power Electronics
available on AVX website: www.avxcorp.com
28

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Medium Power Film Capacitors
FPX Table of Values
PROTECTION
Dimensions: millimeters (inches)
Cn
(µF) Case
Type
FPX 2000 V
1 Plastic case M6/6
2 Plastic case M8/8
3 Plastic case M8/8
3.5 Plastic case M8/8
4 Plastic case M8/8
5 Plastic case M8/8
FPX 2500 V
0.5 Plastic case M6/6
1 Plastic case M8/8
1.5 Plastic case M8/8
2 Plastic case M8/8
www.D2a.t5aShePelat4stUic.ccoamse M8/8
3 Plastic case M8/8
3.5 Plastic case M8/8
FPX 3500 V
2 Plastic case M8/8
3 Plastic case M8/8
3.5 Plastic case M8/8
4 Plastic case M8/8
FPX 4500 V
1 Plastic case M8/8
2 Plastic case M8/8
FPX 4600 V
0.68 Plastic case M8/8
1.25 Plastic case M8/8
1.5 Plastic case M8/10
1.7 Plastic case M8/10
2 Plastic case M8/10
2.5 Plastic case M8/10
2.7 Plastic case M8/10
3 Plastic case M8/10
3.5 Plastic case M8/10
4 Plastic case M8/10
4.5 Plastic case M8/10
5 Plastic case M8/10
6 Plastic case M8/10
Dimensions
H* h
±0.5 ±2
(±0.020) (±0.079)
D
max.
Vndc = 1000 V
Vpeak = 1600 V
52 (2.072)
5 (0.197)
40 (1.575)
52 (2.072)
5 (0.197)
60 (2.362)
52 (2.072)
5 (0.197)
72 (2.835)
52 (2.072)
5 (0.197)
72 (2.835)
52 (2.072)
5 (0.197)
82 (3.228)
52 (2.072)
5 (0.197)
82 (3.228)
Vndc = 1300 V
Vpeak = 2000 V
52 (2.072)
5 (0.197)
40 (1.575)
52 (2.072)
5 (0.197)
60 (2.362)
52 (2.072)
5 (0.197)
60(2.362)
52 (2.072)
5 (0.197)
72 (2.835)
52 (2.072)
5 (0.197)
72(2.835)
52 (2.072)
5 (0.197)
82 (3.228)
52 (2.072)
5 (0.197)
82(3.228)
Vndc = 2000 V
Vpeak = 2400 V
62 (2.441)
5 (0.197)
72 (2.835)
62 (2.441)
5 (0.197)
92 (3.622)
62 (2.441)
5 (0.197)
92 (3.622)
62 (2.441)
5 (0.197)
92 (3.622)
Vndc = 2500 V
Vpeak = 3200 V
62 (2.441)
5 (0.197)
72 (2.835)
62 (2.441)
5 (0.197)
92 (3.622)
Vndc = 3000 V
Vpeak = 4000 V
62 (2.441)
5 (0.197)
72 (2.835)
62 (2.441)
5 (0.197)
92 (3.622)
79 (3.110)
6 (0.236)
97 (3.819)
79 (3.110)
6 (0.236)
97 (3.819)
79 (3.110)
6 (0.236)
97 (3.819)
118 (4.646) 6 (0.236)
97 (3.819)
118 (4.646) 6 (0.236)
97 (3.819)
143 (5.630) 6 (0.236)
97 (3.819)
143 (5.630) 6 (0.236)
97 (3.819)
143 (5.630) 6 (0.236)
97 (3.819)
163 (6.417) 6 (0.236)
97 (3.819)
163 (6.417) 6 (0.236)
97 (3.819)
163 (6.417) 6 (0.236)
97 (3.819)
* Tol: +0 / -3mm for H 118mm
d
±0.1
I2.t
max.
(A2.s)
Irms
max.
(A)
Vrms = 560 V
18 (0.709) 2 15
22 (0.866) 8 30
22 (0.866) 18 45
22 (0.866) 25 50
22 (0.866) 32 60
22 (0.866) 50 70
Vrms = 700 V
18 (0.709) 1 15
22 (0.866) 3 20
22 (0.866) 7 30
22 (0.866) 12.7 40
22 (0.866) 20 60
22 (0.866) 28 60
22 (0.866) 39 65
Vrms = 850 V
22 (0.866) 23 41
22 (0.866) 50 62
22 (0.866) 70 72
22 (0.866) 85 80
Vrms = 1130 V
22 (0.866) 15 38
22 (0.866) 70 75
Vrms = 1400 V
22 (0.866) 14 35
22 (0.866) 50 65
– 32 60
– 40 70
– 56 80
– 200 130
– 232 140
– 128 100
– 170 110
– 224 115
– 522 120
– 600 130
– 729 160
Rs
(m)
Rth
(°C/W)
Part Number
Vs = 2000 V
2.4 14
1.2 6.1
0.9 4.5
0.85 4.5
0.75 3.5
0.65 2.5
Vs = 2500 V
3 14
2.3 10.5
1.5 6.1
1.1 4.5
0.89 3.7
0.85 3.2
0.78 2.9
Vs = 3500 V
1.24 6.1
0.92 3.9
0.83 3.4
0.78 3.1
Vs = 4500 V
1.4 6.2
0.85 3.1
Vs = 4600 V
1.59 6.2
1 3.3
1.4 8.3
1.3 7.4
1.1 6.3
0.8 3.3
0.7 3.2
0.9 4.4
0.8 4.2
0.8 4.0
0.6 5.0
0.6 5.0
0.5 5.0
FPX66N0105J--
FPX86N0205J--
FPX86N0305J--
FPX86N0355J--
FPX86N0405J--
FPX86N0505J--
FPX66P0504J--
FPX86P0105J--
FPX86P0155J--
FPX86P0205J--
FPX86P0255J--
FPX86P0305J--
FPX86P0355J--
FPX86X0205J-
FPX86X0305J--
FPX86X0355J--
FPX86X0405J--
FPX86Z0105J--
FPX86Z0205J--
FPX86Y0684J--
FPX86Y1254J--
FPX86Y0155J--
FPX86Y0175J--
FPX86Y0205J--
FPX86Y0255J--
FPX86Y0275J--
FPX86Y0305J--
FPX86Y0355J--
FPX86Y0405J--
FPX86Y0455J--
FPX86Y0505J--
FPX86Y0605J--
For higher power protection devices and further information
please see PPX Series in Capacitor for High Power Electronics
available on AVX website: www.avxcorp.com
29

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Medium Power Film Capacitors
FPX
PROTECTION
MARKING
Logo
Withstanding surge voltage
Capacitance and tolerance in clear
Nominal DC voltage in clear
RMS current in clear
Date of manufacture (IEC coding)
DESIGN
Plastic Case M6 / 6 or M8 / 8
Max Torque:10Nm (M8)
6Nm (M6)
h ±2 (0.079)
M6/6 or M8/8
www.DataSheet4U.com
H* ±0.5
(0.020)
TPC
Plastic Case M8 / 10
Max Torque: 10Nm
The positions of the connections
of each side are not indexed
H 79mm (3.11)
M8 (0.315)
/10 (0.394)
M8 (0.315)
/10 (0.394)
h ±2 (0.079)
Ød
ØDmax
*H = 52 for 2000 or 2500v M6/6 M8/8
*H = 62 for 3500 or 4500v M8/8
Ø4 (0.16) A
Plastic Case or
Resin Molding
A
Tinned Output
Resin
Dimensions: millimeters (inches)
General tolerance: ±2
HOT SPOT TEMPERATURE CALCULATION
θhot spot = θterminals + (Pd + Pt) x Rth
with
Pd (Dielectric losses) = Q x tgδ0
[ 12 x Cn x (Vpeak to peak)2 x f ] x (2 x 10-4)
Pt (Thermal losses) = Rs x (Irms)2
where
Cn in Farads
V in Volts
Irms in Amperes
Rs in Ohms
f in Hertz
θ in °C
Rth in °C/W
30
6.00 (0.236)
Ø4 (0.16) A
6.00 (0.236)
Ø28 (1.103) ±0.1 (0.004)
Plastic Case
A
D Max
Tinned Output
Dimensions: millimeters (inches)
General tolerance: ±2
Resin
23 (0.906) ±0.50 (0.020)
Due to the design of the capacitor and its technology,
the thermal impedance between the terminations and the
core of the capacitor is low, it is necessary to take care that
the capacitor is never overheated by use of incorrect sized
connections.
In the case where the series diodes are screwed to the
capacitor, cooling of the diodes must be taken in account.
Do not use the capacitor as a heat sink.
Due to the complexity of the diode/capacitor thermal
exchanges, we recommend that thermal measurements
shall be made on the different components. We would be
pleased to advise you on specific problems.
WORKING TEMPERATURE
(according to the power to be dissipated) -40°C to +85°C
For higher power protection devices and further information
please see PPX Series in Capacitor for High Power Electronics
available on AVX website: www.avxcorp.com