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EMC filters
1-line filters
Feedthrough capacitors
Rated current 16 to 200 A
Series/Type: Date: B85111, B85121 January 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet and the information contained therein without EPCOS' prior express consent is prohibited.
1-line filters
Feedthrough components
Overview of available types Type Rated voltage (VAC) Rated current (A) Terminal type Dia meter Insertion loss in the frequeny range (Hz) 105 106 107
Rated capacitance (F)
mm Feedthrough capacitors B85121A*+160 B85121A*+250 B85111A*B500 B85121A*A250 B85121A*A750 16 20 24 30
16 25 50 25, 75
75 ... 0.00125 ... 440 1.0 75 ... 0.01 ... 440 1.0 250 0.05 250 0.1 ... 1.0 0.5 ... 4.7
10 11 12
B85121A*A630, 55 A101, A201
63 ... 250 200
Legend Terminal type: Axial leads Threaded studs
Please read Cautions and warnings and
Important notes at the end of this document.
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Page 5 6 8
New
1-line filters Feedthrough components
General Feedthrough components from EPCOS are used for EMI suppression of all electrical installations and equipment. This new type series is also outstandingly well suited for telephone exchanges and base stations. Thanks to broadband EMI suppression up to the GHz range, it prevents external in terference pulses being transmitted to the inside of the equipment via the supply network and vice versa. The essential features of this new type series are its modular design and the solder-free contacting technology developed by EPCOS with the aid of mesh contact. Mesh contact technology permits uniform concentric contacting of the MKP capacitor winding and avoids the thermal stress associated with soldering. The result is an even higher insertion loss, a high insulation resistance and a particularly compact case. The modular system used in this new technology for feedthrough capacitors and filters allows the cost-effective implementation of a wide range of standard types. Other capacitance values can also be supplied for special applications upon request.
Feedthrough components fitted into a shielding wall.
In feedthrough capacitors, the conductor carrying the operating current is connected concentrically to one electrode and is run centrally through the capacitor. The other electrode is contacted con centrically to the capacitor case. Feedthrough capacitors are dimensioned so that they perform well from low frequencies to far above 300 MHz. The capacitor element with low inductance contacted securely on the face side is incorporated in a metal case provided with a screw thread. The feedthrough filters are constructed in a -circuit. They consist of two identical capacitative transverse elements and an inductive longitudinal element. The concentric layout of the compon ents allows high insertion loss values to be attained in a frequency range to above 1 GHz. Safety note Feedthrough components with high capacitances require the implementation of safety measures in line with the applicable specifications! (See also Chapter "Mounting instructions".)
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filters
Feedthrough components
Mounting instructions To fully utilize their RF properties, the feedthrough components must be mounted directly into shiel ding walls. The case must be contacted seamlessly (sealed against RF signals) to the shielding wall. This can be best done by screwing it into a threaded hole or bushing so that contact is made via the threads. Alternatively, the feedthrough components may be screwed into feed-through holes on the shielding wall by means of attachment nuts. The contact between case and the shielding wall is then set up via the contact surface of the thread.
Caution Contacts with rigid copper busbars are not permitted in view of mechanical stresses of the bushings due to impacts and vibrations. For types with screw connections, the connecting cable must be secured between two nuts to exclude a torque on the feedthrough pins. The use of two flat wrenches is recommended.
Recommended tightening torques for feedthrough components (capacitors, filters) Thread dimensions M2 M3 M4 M5 M6 M8 M10 M12 M16 M18 M10 x 0.75 M12 x 0.75 M20 x 1 M24 x 1.5 M27 x 1.5 M32 x 1.5 Tightening torque (Nm) 0.2 0.6 1.2 2 3 5 8 12 28 35 3 4 10 12 16 24 Tolerance (Nm) +0.05 +0.1 +0.1 +0.5 +0.5 +0.5 +2 +2 +2 +2 +0.5 +0.5 +1 +1.5 +2 +2.5 Terminal x x x x x x x x x x x x x x x x Thread base attachment
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Rated voltage 75 to 440 V AC Rated current 16 to 200 A Rated capacitance 0.00125 to 4.7 F Construction
Building-block system MKP technology (dry, self-healing)
B85111, B85121
Dielectric: polypropylene, 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
Comply with IEC 60384-14
UL approval
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 Manufacturer, ordering code, rated capacitance, rated voltage, rated current, climatic category, circuit diagram, date of manufacture (MM.YY), approvals Circuit diagram
SSB1275-J
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Feedthrough capacitors 16 mm Technical data and measuring conditions Rated voltage VR Rated current IR Capacitance tolerance Climatic category (IEC 60068-1) Screw cap fixing Approvals 75 ... 440 V AC, 50/60 Hz 160 ... 600 V DC Referred to 40 C ambient temperature Reduced current values at 400 Hz 20%
B85121A*+160
16 mm, 16 A
40/085/56 (-40 C/+85 C/56 days damp heat test) M10 x 0.75 UL 1283, 250 V
Characteristics and ordering codes IR A 16 CR F 0.00125 0.0025 0.005 0.010 0.025 0.05 0.1 1.0 VR V AC 250 440 250 250 250 250 110 75 VR V DC 600 600 600 600 600 600 160 160 Vtest V DC 4000 4350 4000 1750 1750 1750 800 350 Leads 2 mm 2 Leads 2 mm 1 B85121A2122C160 B85121A4252C160 B85121A2502C160 B85121A2103C160 B85121A2253C160 B85121A2503C160 B85121A1104C160 B85121A0105B160 x x x x x x - - Terminal Figure Ordering code Approvals
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 0.00125 0.0025 0.005 0.010 0.025 0.05 0.1 1.0 10 kHz - - - - - - - 5 100 kHz - - - - - 1 4 25 1 MHz - - 2 4 11 17 20 45 10 MHz 6 12 16 25 30 35 40 50 100 MHz 35 45 40 55 55 52 60 85 > 300 MHz > 40 > 60 > 50 > 70 > 80 > 80 > 80 > 90
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Dimensional drawings Figure 1, B85121A****C160
1...3
B85121A*+160
16 mm, 16 A
Marking
30+2 45+2 135 _ 3
5 443
SSB2021-D
M10 x 0.75
o10.5+0.3
o16 o2
Tightening torque: 3 +0.5 Nm
Figure 2, B85121A****B160
1...3
Marking
45+2 60+2 155 _ 3
5 443
SSB2037-Z
M10 x 0.75
o10.5+0.3
o16 o2
Tightening torque: 3 +0.5 Nm
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Feedthrough capacitors 20 mm Technical data and measuring conditions Rated voltage VR Rated current IR Capacitance tolerance Climatic category (IEC 60068-1) Screw cap fixing Approvals 75 ... 440 V AC, 50/60 Hz 160 ... 600 V DC Referred to 40 C ambient temperature Reduced current values at 400 Hz 20%
B85121A*+250
20 mm, 25 A
40/085/56 (-40 C/+85 C/56 days damp heat test) M12 x 0.75 UL 1283, 250 V
Characteristics and ordering codes IR A 25 CR F 0.035 0.010 0.025 0.035 0.035 0.05 0.05 1.0 VR V AC 250 250 250 250 440 250 440 75 VR V DC 600 600 600 600 600 600 600 160 Vtest V DC 4000 4000 4000 4000 4350 4000 4000 480 M4 Leads 2 mm 1 2 B85121A2353A250 B85121A2103B250 B85121A2253B250 B85121A2353B250 B85121A4353B250 B85121A2503B250 B85121A4503B250 B85121A0105B250 x x x x x x x - Terminal Figure Ordering code Approvals
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 0.025 0.035 0.050 1.0 10 kHz - - - 5 100 kHz - 1 2 25 1 MHz 11 12 18 45 10 MHz 30 32 35 50 100 MHz 55 55 60 85 > 300 MHz > 80 > 90 > 90 > 90
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Dimensional drawings Figure 1, B85121A****A250
1...3
B85121A*+250
20 mm, 25 A
M4
Marking
M12 x 0.75
o12.5+0.3
o20
45+2 60+2 90+2
5
Thread
17 _ 2
SSB2025-B
Tightening torque 1.2 +0.1 Nm
M4
M12 x 0.75 4.0 +0.5 Nm
Figure 2, B85121A****B250
1...3
Marking
45+2 60+2 155 _ 3
5 453
SSB2023-U
M12 x 0.75
o12.5+0.3
o20 o2
Tightening torque: 4 +0.5 Nm
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Feedthrough capacitors 24 mm, housing with external screw thread Technical data and measuring conditions Rated voltage VR Rated current IR Capacitance tolerance Climatic category (IEC 60068-1) Screw cap fixing Approvals 250 V AC, 50/60 Hz 600 V DC Referred to 40 C ambient temperature Reduced current values at 400 Hz 20%
B85111A*B500
24 mm, 50 A
40/085/56 (-40 C/+85 C/56 days damp heat test) M24 x 1.5 UL 1283, 250 V
Characteristics and ordering code IR A 50 CR F 0.05 VR V AC 250 VR V DC 600 Vtest V DC 3000 M6 B85111A2503B500 x Terminal Ordering code Approvals
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 0.05 10 kHz - 100 kHz 2 1 MHz 18 10 MHz 35 100 MHz 60 > 300 MHz > 90
Dimensional drawing
86 _ 0.5 45 _ 0.5 26.3 _ 1.1 15 min. 9 _ 0.6 140.2 202 A/F 27
M24 x 1.5
M6
SSB2036-R-E
Thread M6 M24 x 1.5
Tightening torque 3 +0.5 Nm 12 +1.5 Nm 10 01/06
Please read Cautions and warnings and
Important notes at the end of this document.
1-line filter components Feedthrough capacitors
Feedthrough capacitors 30 mm Technical data and measuring conditions Rated voltage VR Rated current IR Capacitance tolerance Climatic category (IEC 60068-1) Screw cap fixing Approvals 250 V AC, 50/60 Hz 600 V DC
B85121A*A250, A750
30 mm, 25 A , 75 A
Referred to 40 C ambient temperature Reduced current values at 400 Hz 20% 40/085/56 (-40 C/+85 C/56 days damp heat test) M20 x 1 UL 1283, 250 V
Characteristics and ordering codes IR A 25 CR F 0.1 0.5 1.0 75 0.1 0.5 1.0 VR V AC 250 250 250 250 250 250 VR V DC 600 600 600 600 600 600 Vtest V DC 3000 2500 2000 3000 2500 2000 M6 M6 M6 M6 M6 M6 B85121A2104A250 B85121A2504A250 B85121A2105A250 B85121A2104A750 B85121A2504A750 B85121A2105A750 x x x x x x Terminal Ordering code Approvals
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 0.1 0.5 1.0 10 kHz 0 2 5 100 kHz 5 15 25 1 MHz 20 35 45 10 MHz 40 40 50 100 MHz 60 80 85 1 GHz > 70 > 90 > 90
Dimensional drawing
M6
Marking
M20 x 1
o30
M6
Thread M6
Tightening torque 3 +0.5 Nm 10 +1 Nm
5
55+1 110 _ 1
SSB1271-L
M20 x 1
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Feedthrough capacitors 55 mm Technical data and measuring conditions Rated voltage VR Rated current IR Capacitance tolerance Climatic category (IEC 60068-1) Screw cap fixing Approvals 250 V AC, 50/60 Hz 600 V DC
B85121A*A630, A101, A201
55 mm, 63 ... 200 A
Referred to 40 C ambient temperature Reduced current values at 400 Hz 20% 40/085/56 (-40 C/+85 C/56 days damp heat test) Standard M32 x 1.5 Special fixing M27 x 1.5 on request UL 1283, 250 V
Characteristics and ordering codes IR A 63 CR F 0.5 1.0 2.0 4.7 100 0.5 1.0 2.0 4.7 200 0.5 1.0 2.0 4.7 VR Ter V AC V DC V DC minal 600 600 600 600 600 600 600 600 600 600 600 600 3000 M 6 2500 M 6 2500 M 6 2000 M 6 3000 M 8 2500 M 8 2500 M 8 2000 M 8 3000 M10 2500 M10 2500 M10 2000 M10 VR Vtest Dimensions (mm) l +1 30 30 60 60 30 30 60 60 30 30 60 60 l1 -1 100 100 130 130 110 110 140 140 120 120 150 150 l2 -3 50 50 50 50 53 53 53 53 59 59 59 59 B85121A2504A630 B85121A2105A630 B85121A2205A630 B85121A2475A630 B85121A2504A101 B85121A2105A101 B85121A2205A101 B85121A2475A101 B85121A2504A201 B85121A2105A201 B85121A2205A201 B85121A2475A201 x x x x x x x x x x x x Ordering code Approvals
250 250 250 250 250 250 250 250 250 250 250 250
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 0.5 1.0 2.0 4.7 10 kHz 2 5 10 15 100 kHz 15 25 30 35 1 MHz 35 45 50 55 10 MHz 40 50 55 65 100 MHz 80 85 > 90 > 90 1 GHz > 90 > 90 > 90 > 90
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filter components Feedthrough capacitors
Dimensional drawing
A/F 41
B85121A*A630, A101, A201
55 mm, 63 ... 200 A
Marking
A/F 17
551
8
15+1
2
1
SSB1272-U-E
Thread M6 M8 M10 M27 x 1.5 M32 x 1.5
Tightening torque 3 +0.5 Nm 5 +0.5 Nm 8 +2 16 +2 Nm Nm
24 +2.5 Nm
Please read Cautions and warnings and
Important notes at the end of this document.
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M32 x 1.5
M
EMC filters Cautions and warnings
Important information Please read all safety and warning notes carefully before installing the EMC filter and putting it into operation (see ). The same applies to the warning signs on the filter. Please ensure that the signs are not removed nor their legibility impaired by external influences. Death, serious bodily injury and substantial material damage to equipment may occur if the appro priate safety measures are not carried out or the warnings in the text are not observed. Using according to the terms The EMC filters may be used only for their intended application within the specified values in low voltage networks in compliance with the instructions given in the data sheets and the data book. The conditions at the place of application must comply with all specifications for the filter used. Warnings
It shall be ensured that only qualified persons (electricity specialists) are engaged on work such

as planning, assembly, installation, operation, repair and maintenance. They must be provided with the corresponding documentation. Danger of electric shock. EMC filters contain components that store an electric charge. Danger ous voltages can continue to exist at the filter terminals for longer than five minutes even after the power has been switched off. The protective earth connections shall be the first to be made when the EMC filter is installed and the last to be disconnected. Depending on the magnitude of the leakage currents, the particular specifications for making the protective-earth connection must be observed. Impermissible overloading of the EMC filter, such as impermissible voltages at higher frequen cies that may cause resonances etc. can lead to destruction of the filter housing. EMC filters must be protected in the application against impermissible exceeding of the rated currents by suitable overcurrent protective.
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EMC filters Important notes
The following applies to all products named in this publication: 1. Some parts of this publication contain statements about the suitability of our products for certain areas of application. These statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. We nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. As a rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. For these reasons, it is always ultimately incumbent on the customer to check and decide whether an EPCOS product with the properties described in the product specification is suitable for use in a particular customer application. 2. We also point out that in individual cases, a malfunction of passive electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. In customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of a passive electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of a passive electronic component. 3. The warnings, cautions and product-specific notes must be observed. 4. In order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as "hazardous"). Useful information on this will be found in our Material Data Sheets on the Internet (www.epcos.com/material). Should you have any more detailed questions, please contact our sales offices. 5. We constantly strive to improve our products. Consequently, the products described in this publication may change from time to time. The same is true of the corresponding product specifications. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. We also reserve the right to discontinue production and delivery of products. Consequently, we cannot guarantee that all products named in this publication will always be available. 6. Unless otherwise agreed in individual contracts, all orders are subject to the current version of the "General Terms of Delivery for Products and Services in the Electrical Industry" published by the German Electrical and Electronics Industry Association (ZVEI). 7. The trade names EPCOS, EPCOS-Jones, Baoke, CeraDiode, CSSP, MLSC, PhaseCap, PhaseMod, SIFI, SIKOREL, SilverCap, SIMID, SIOV, SIP5D, SIP5K, UltraCap, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be found on the Internet at www.epcos.com/trademarks.
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