Film Capacitors
Metallized Polyester Film Capacitors (MKT-S)
Series/Type:
B32537
Date:
May 2009
The following products presented in this data sheet are being withdrawn.
Ordering Code
Substitute Product
B32537B8335J000
B32537B8334K000
B32537B8334J000
Date of
Withdrawal
2012-10-19
2012-10-19
2012-10-19
Deadline Last
Orders
2013-01-19
2013-01-19
2013-01-19
Last Shipments
2013-04-19
2013-04-19
2013-04-19
© EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Ordering Code
B32537B8333K000
B32537B8333J000
B32537B8225K000
B32537B8225J000
B32537B8224K000
B32537B8224J000
B32537B8155K000
B32537B8155J000
B32537B8154K000
B32537B8154J000
B32537B8105K000
B32537B8105J000
B32537B8104K000
B32537B8104J000
B32537B5685K000
B32537B5685J000
B32537B5684K000
B32537B5684J000
B32537B5475K000
B32537B5475J000
B32537B5474K000
B32537B5474J000
B32537B2106J000
B32537B2106K000
B32537B5335J000
B32537B5335K000
B32537B5225K000
B32537B5225J000
B32537B5155K000
B32537B5155J000
B32537B5106K000
B32537B5106J000
B32537B5105K000
B32537B5105J000
B32537B3685K000
B32537B3685J000
B32537B3684K000
B32537B3684J000
Substitute Product
Date of
Withdrawal
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
Deadline Last
Orders
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
Last Shipments
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
Ordering Code
B32537B3475K000
B32537B3475J000
B32537B3474K000
B32537B3474J000
B32537B3335K000
B32537B3335J000
B32537B3334K000
B32537B3334J000
B32537B3225K000
B32537B3225J000
B32537B3224K000
B32537B3224J000
B32537B3155K000
B32537B3155J000
B32537B3154K000
B32537B3154J000
B32537B3106K000
B32537B3106J000
B32537B3105K000
B32537B3105J000
B32537B3104K000
B32537B3104J000
B32537B2685K000
B32537B2685J000
B32537B2684K000
B32537B2684J000
B32537B2475K000
B32537B2475J000
B32537B2474K000
B32537B2474J000
B32537B2335K000
B32537B2335J000
B32537B2334K000
B32537B2334J000
B32537B2225K000
B32537B2225J000
B32537B2224K000
B32537B2224J000
Substitute Product
Date of
Withdrawal
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
Deadline Last
Orders
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
Last Shipments
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
Ordering Code
B32537B2155K000
B32537B2155J000
B32537B2154K000
B32537B2154J000
B32537B2105K000
B32537B2105J000
B32537B2104K000
B32537B2104J000
B32537B8684K000
B32537B8684J000
B32537B8683K000
B32537B8683J000
B32537B8475K000
B32537B8475J000
B32537B8474K000
B32537B8474J000
B32537B5335K000
B32537B5335J000
B32537B1685K000
B32537B1685J000
B32537B1684K000
B32537B1684J000
B32537B1476K000
B32537B1476J000
B32537B1475K000
B32537B1475J000
B32537B1474K000
B32537B1474J000
B32537B1335K000
B32537B1335J000
B32537B1334K000
B32537B1334J000
B32537B1226K000
B32537B1226J000
B32537B1225K000
B32537B1225J000
B32537B1224K000
B32537B1224J000
Substitute Product
Date of
Withdrawal
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
Deadline Last
Orders
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
Last Shipments
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
Ordering Code
B32537B1155K000
B32537B1155J000
B32537B1154K000
B32537B1154J000
B32537B1107K000
B32537B1107J000
B32537B1106K000
B32537B1106J000
B32537B1105K000
B32537B1105J000
B32537B1104K000
B32537B1104J000
B32537B8473K000
B32537B8473J000
B32537B8335K000
Substitute Product
Date of
Withdrawal
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
2012-10-19
Deadline Last
Orders
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
2013-01-19
Last Shipments
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
2013-04-19
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 (MKT-S)
B32537
High reliability (wound)
Typical applications
Measurement equipment
Rough environments
High-rel circuits in industrial electronics
Dimensional drawing
Climatic
Max. operating temperature: 125 °C
Climatic category (IEC 60068-1): 55/100/56
Features
Optimum self-healing capability
Excellent short circuit protection
Very high reliability
Construction
Dielectric: polyethylene terephthalate
(polyester, PET)
Construction with structured metallization
Tubular winding
Encapsulated in metal tube
Insulating sleeve
Face ends sealed with epoxy resin
Dimensions in mm
Diameter d
Lead diameter d1
8.5 ... 16 >16
0.8
1.0
When bending leads take care to leave a
clearance of 1 mm to the capacitor body.
Terminals
Central axial leads, lead-free tinned
Marking
Manufacturer's logo, style (MKT-S),
rated capacitance (coded)
capacitance tolerance (code letter)
rated voltage, date of manufacture (coded)
Delivery mode
Bulk (untaped)
For notes on taping, refer to chapter "Taping and packing“.
Please read Cautions and warnings and
Important notes at the end of this document.
0.33 µF
0.47 < CR ≤4.7 4.7 < CR ≤10.0 > 10.0
8
22
Failure criteria:
Total failure
Failure due to variation
of parameters
Please read Cautions and warnings and
Important notes at the end of this document.
8
25
10
> 15000 MΩ
> 5000 s
1.4 VR, 2 s
TA (°C)
DC voltage derating
Category voltage VC
(continuous operation with VDC TA ≤ 85
VC = VR
or VAC at f ≤ 60 Hz)
85 1.5 upper limit value
< 150 MΩ (CR ≤ 0.33 µF)
< 50 s
(CR > 0.33 µF)
B32537
High reliability (wound)
Pulse handling capability
"dV/dt" represents the maximum permissible voltage change per unit of time for non-sinusoidal
voltages, expressed in V/µs.
"k0" represents the maximum permissible pulse characteristic of the waveform applied to the
capacitor, expressed in V2/µs.
Note:
The values of dV/dt and k0 provided below must not be exceeded in order to avoid damaging the
capacitor.
dV/dt values
Length of capacitor
VR
VRMS
V DC
V AC
50
20
100
35
160
60
250
90
630
200
18.5 mm
21 mm
34 mm
dV/dt in V/µs
2.5
13
20
23
40
1.5
9
12
16
26
6
8
10
18
18.5 mm
21 mm
34 mm
k0 in V2/µs
250
2 600
6 400
11 500
50 400
150
1 800
3 840
8 000
32 800
k0 values
Length of capacitor
VR
VRMS
V DC
V AC
50
20
100
35
160
60
250
90
630
200
Please read Cautions and warnings and
Important notes at the end of this document.
Page 8 of 20
1 200
2 560
5 000
22 700
B32537
High reliability (wound)
Impedance Z versus frequency f
(typical values)
Permissible AC voltage VRMS versus frequency f
Values can be obtained on request. In specific cases please provide a scaled voltage/ time graph
and state operating conditions.
Please read Cautions and warnings and
Important notes at the end of this document.
Page 9 of 20
B32537
High reliability (wound)
Mounting guidelines
1
Soldering
1.1
Solderability of leads
The solderability of terminal leads is tested to IEC 60068-2-20, test Ta, method 1.
Before a solderability test is carried out, terminals are subjected to accelerated ageing (to
IEC 60068-2-2, test Ba: 4 h exposure to dry heat at 155 °C). Since the ageing temperature is far
higher than the upper category temperature of the capacitors, the terminal wires should be cut off
from the capacitor before the ageing procedure to prevent the solderability being impaired by the
products of any capacitor decomposition that might occur.
Solder bath temperature
235 ±5 °C
Soldering time
2.0 ±0.5 s
Immersion depth
2.0 +0/0.5 mm from capacitor body or seating plane
Evaluation criteria:
Visual inspection
Wetting of wire surface by new solder ≥90%, free-flowing solder
1.2
Resistance to soldering heat
Resistance to soldering heat is tested to IEC 60068-2-20, test Tb, method 1A.
Conditions:
Series
Solder bath temperature Soldering time
MKT boxed (except 2.5 × 6.5 × 7.2 mm) 260 ±5 °C
coated
uncoated (lead spacing > 10 mm)
MFP
MKP (lead spacing > 7.5 mm)
MKT boxed (case 2.5 × 6.5 × 7.2 mm)
MKP (lead spacing ≤ 7.5 mm)
MKT uncoated (lead spacing ≤ 10 mm)
insulated (B32559)
Please read Cautions and warnings and
Important notes at the end of this document.
Page 10 of 20
10 ±1 s
5 ±1 s
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