EMC filters
Feedthrough components
Capacitors
Series/Type:
B85121
The following products presented in this data sheet are being withdrawn.
Ordering Code
B85121A4503B250
B85121A4252C160
B85121A2503C160
Substitute Product
Date of
Withdrawal
2015-03-13
2015-03-13
2015-03-13
Deadline Last Last
Orders
Shipments
2015-06-30
2015-09-30
2015-06-30
2015-06-30
2015-09-30
2015-09-30
© 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
B85121A2503B250
B85121A2353A250
B85121A2105A750
B85121A2105A630
B85121A2105A250
B85121A2105A201
B85121A2105A101
B85121A2104E750
B85121A2103C160
B85121A1104C160
Substitute Product
Date of
Withdrawal
2015-03-13
2015-03-13
2015-03-13
2015-03-13
2015-03-13
2015-03-13
2015-03-13
2015-03-13
2015-03-13
2015-03-13
Deadline Last
Orders
2015-06-30
2015-06-30
2015-06-30
2015-06-30
2015-06-30
2015-06-30
2015-06-30
2015-06-30
2015-06-30
2015-06-30
Last
Shipments
2015-09-30
2015-09-30
2015-09-30
2015-09-30
2015-09-30
2015-09-30
2015-09-30
2015-09-30
2015-09-30
2015-09-30
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.
Feedthrough components
Capacitors
B85121
Rated voltage V
R
: 110 V AC to 440 V AC
Rated current I
R
: 16 A to 200 A
Rated capacitance C
R
: 0.0025
µF
to 4.7
µF
Construction
Building-block system
MKP/MKT technology (dry, self-healing)
Dielectric: polypropylene or polyester, metallized
Metal case, polyurethane potting (UL 94 V-0)
For central screw fixing
Features
Compact dimensions
High insertion loss
Easy to install
High contact reliability thanks to central screw fixing
Design complies with IEC 60384-14
UL 60384-14 pending
Typical applications
Broadband interference suppression
for AC/DC supply lines, e. g. in
shielded rooms
telephone exchanges, base stations
electrical machines and systems
power supplies
Terminals
Threaded studs
Axial leads
Marking
Marking on component:
Manufacturer's logo, ordering code, rated capacitance,
rated voltage, rated current, climatic category, circuit
diagram, date code
Minimum data on packaging:
Manufacturer's logo, ordering code, quantity, date code
Circuit diagram
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 13
Feedthrough components
Capacitors
Feedthrough capacitors
∅
16 mm
Technical data and measuring conditions
Rated voltage V
R
Rated current I
R
Capacitance tolerance
Climatic category (IEC 60068-1)
Screw cap fixing
Approvals
1) UL1283 approval expired in Dec. 2013
B85121A*160
∅
16 mm, 16 A
110 V AC … 440 V AC (50/60 Hz) / 160 V DC … 600 V DC
Referred to 40
°C
rated temperature
Reduced current values at 400 Hz
±20%
40/085/56 ( 40
°C/+85 °C/56
days damp heat test)
M10
×
0.75
UL 60384-14, 250 V AC pending
1)
Characteristics and ordering codes
I
R
A
C
R
µF
V
R
DC
V
160
600
600
600
V
test
DC
V
800
1750
1750
4350
Terminal
Approx.
weight
g
45
45
45
45
Ordering code
Approvals
V
R
= 110 V AC
16
0.1
V
R
= 250 V AC
16
0.01
16
0.05
V
R
= 440 V AC
16
0.0025
Axial leads
Axial leads
Axial leads
Axial leads
B85121A1104C160
B85121A2103C160
B85121A2503C160
B85121A4252C160
P
P
P
P
P = Approval pending
Insertion loss (dB); typical values at 50
Ω
C
R
(µF)
0.0025
0.01
0.05
0.1
Dimensional drawing
B85121A*C160
1
4
4
17
20
10 kHz
100 kHz
1 MHz
10 MHz
12
25
35
40
100 MHz
45
55
52
60
> 300 MHz
> 60
> 70
> 80
> 80
Tightening torque: 3 +0.5 Nm
General tolerances according to ISO 2768 cL
Dimensions in mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 13
Feedthrough components
Capacitors
Feedthrough capacitors
∅
20 mm
Technical data and measuring conditions
Rated voltage V
R
Rated current I
R
B85121A*250, E750
∅
20 mm, 25 A, 75 A
Capacitance tolerance
Climatic category (IEC 60068-1)
Screw cap fixing
Approvals
1) UL1283 approval expired in Dec. 2013
250 V AC … 440 V AC (50/60 Hz) / 600 V DC
Referred to 40
°C
rated temperature
(B85121A*E750 referred to 50
°C
rated temperature)
Reduced current values at 400 Hz
±20%
40/085/56 ( 40
°C/+85 °C/56
days damp heat test)
M12
×
0.75
UL 60384-14, 250 V AC pending
1)
Characteristics and ordering codes
I
R
A
C
R
µF
V
test
DC
V
Terminal
Figure Approx. weight Ordering code
g
1
2
3
2
60
60
70
60
B85121A2353A250
B85121A2503B250
B85121A2104E750
B85121A4503B250
P
P
P
P
Approvals
V
R
= 250 V AC, V
R
= 600 V DC
25 0.035 4000 M4
25 0.05 4000 Axial leads
75 0.1
1700 M6
V
R
= 440 V AC, V
R
= 600 V DC
25 0.05 4000 Axial leads
P = Approval pending
Insertion loss (dB); typical values at 50
Ω
C
R
(µF)
0.035
0.05
0.1
10 kHz
100 kHz
1
2
5
1 MHz
12
18
22
10 MHz
32
35
40
100 MHz
55
60
70
> 300 MHz
> 90
> 90
> 90
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 13
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