Metallized Polyester (MKT/MFT)
Series/Type:
B32582
The following products presented in this data sheet are being withdrawn.
Ordering Code
B32582
B32583
B32584
Substitute Product
Date of
Withdrawal
30.08.2002
30.08.2002
30.08.2002
Deadline Last
Orders
31.10.2002
31.10.2002
31.10.2002
Last Shipments
31.03.2003
31.03.2003
31.03.2003
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
Metallized Polyester Film Capacitors (MFT)
Plastic Case
MFT pulse capacitors with
highest possible contact reliability
Construction
I
Dielectric: polyethylene terephthalate
I
I
I
I
B 32 582
… B 32 584
(polyester)
Wound capacitor technology
Metallized film and metal foils internally
connected in series
Plastic case (UL 94 V-0)
Epoxy resin sealing
Dimensions in mm
Lead spacing
±
0,4
15,0
22,5
27,5
Diameter
d
1
0,8
0,8
0,8
Type
B 32 582
B 32 583
B 32 584
Features
I
I
I
I
Very high pulse strength
Highest possible contact reliability
Self-healing properties
Perfectly adapted to - and tested with -
1 kV and 3 kV EPCOS switching
spark gaps
1)
I
High operation temperature
Typical applications
I
Ignition devices for gas discharge lamp
appliances used in car headlight systems,
video projection systems and
backlight-TV systems
Terminals
I
Parallel wire leads, tinned
Marking
Manufacturer’s logo,
lot number, style and type (FT5xx),
rated capacitance (coded),
capacitance tolerance (code letter),
rated dc voltage,
date of manufacture (coded)
Delivery mode
Bulk (untaped)
Taped (Ammo pack or reel)
For notes on taping,
refer to chapter “Taping and packing”, page 274.
1) Special MKT capacitors (stacked-film technology) optimized for ignition circuits using lower switching voltages are
available on request.
109
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MFT
B 32 582 …
B 32 584
Overview of available types
Lead
spacing
Type
1,5 nF
2,2 nF
3,3 nF
4,7 nF
3000 Vdc
6,8 nF
10
15
22
33
47
56
68
nF
nF
nF
nF
nF
nF
nF
1250 Vdc
110
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15 mm
B 32 582
22,5 mm
B 32 583
27,5 mm
B 32 584
3000 Vdc
B 32 582
… B 32 584
Ordering codes and packing units, lead spacing 15 mm
V
R
(V
rms
,
f
≤
60 Hz)
3000 Vdc
C
R
Maximum
dimensions
b
×
h
×
l
(mm)
7,0
×
12,5
×
18
7,0
×
12,5
×
18
8,5
×
14,5
×
18
9,0
×
17,5
×
18
Ordering code
1)
Packing units (pcs)
Ammo
pack
830
830
680
640
Reel
900
900
700
700
MFT
Untaped
1000
1000
500
500
1,5 nF
2,2 nF
3,3 nF
4,7 nF
B32582-A9152-+
***
B32582-A9222-+
***
B32582-A9332-+
***
B32582-A9472-+
***
Ordering codes and packing units, lead spacing 22,5 mm
V
R
(V
rms
,
f
≤
60 Hz)
3000 Vdc
C
R
Maximum
dimensions
b
×
h
×
l
(mm)
Ordering code
1)
Packing units (pcs)
Ammo
Pack
480
390
Reel
500
400
Untaped
510
540
6,8 nF 8,5
×
16,5
×
26,5 B32583-A9682-+
***
10 nF 10,5
×
16,5
×
26,5 B32583-A9103-+
***
Ordering codes and packing units, lead spacing 27,5 mm
V
R
(V
rms
,
f
≤
60 Hz)
1250 Vdc
C
R
Maximum
dimensions
b
×
h
×
l
(mm)
Ordering code
1)
Packing units (pcs)
Ammo
Pack
–
–
–
Reel
350
350
350
Untaped
320
320
320
47 nF
56 nF
68 nF
11,0
×
21,0
×
31,5 B32584-A7473-+
***
11,0
×
21,0
×
31,5 B32584-A7563-+
***
11,0
×
21,0
×
31,5 B32584-A7683-+
***
Capacitance tolerance:
±
10 % = K,
±
5 % = J
ˆ
ˆ
1) +
Code letter for capacitance tolerance
*** Code number for packing: Ammo pack = 289, reel = 189
The ordering code for untaped components ends after the tolerance code letter.
111
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MFT
B 32 582 …
B 32 584
Technical data
Climatic category
in accordance with IEC 60068-1
Lower category temperature
T
min
Upper category temperature
T
max
Damp heat test
Limit values after damp heat test
40/120/56
−
40
°
C
+
120
°
C
56 days/40
°
C/93 % relative humidity
Capacitance change |
∆
C/C|
Dissipation factor change
∆
tan
δ
Insulation resistance
R
is
≤
5%
≤
5
⋅
10
−3
(at 1 kHz)
≥
50 % of minimum
as-delivered values
Reliability:
Reference conditions
Failure rate
0,5
⋅
V
R
; 40
°
C
2
⋅
10
−9
/h = 2 fit
For a conversion table for other operating conditions and tem-
peratures,
refer to chapter “Quality assurance”, page 327.
Service life
Failure criteria:
Total failure
Failure due to variation
of parameters
DC test voltage
Category voltage
V
C
Operation with dc voltage or
ac voltage
V
rms
up to 60 Hz
Category voltage for
short operating periods
Dissipation factor tan
δ
(in 10
−3
)
at 20
°
C
(upper limit values)
200 000 h
Short circuit or open circuit
Capacitance change |
∆
C/C|
Dissipation factor tan
δ
Insulation resistance
R
is
1,6
⋅
V
R
, 2 s
T
≤
85
°
C:
V
C
= 1,0
⋅
V
R
or 1,0
⋅
V
rms
T
= 100
°
C:
V
C
= 0,8
⋅
V
R
or 0,8
⋅
V
rms
T
= 120
°
C:
V
C
= 0,5
⋅
V
R
or 0,5
⋅
V
rms
T
≤
100
°
C:
V
C
= 1,25
⋅
V
R
or 1,0
⋅
V
rms
for max. 2000 h
T
≤
125
°
C:
V
C
= 0,6
⋅
V
R
or 0,5
⋅
V
rms
for max. 1000 h
at 1 kHz: 8
⋅
10
−3
at 10 kHz: 15
⋅
10
−3
at 100 kHz: 25
⋅
10
−3
>
10 %
>
4
⋅
upper limit value
<
1500 M
Ω
Insulation resistance
R
is
at 20
°
C, rel. humidity
≤
65 %
(minimum as-delivered values)
>
10 G
Ω
112
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