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EMC filters
1-line filters
Feedthrough filters
Rated current 16 to 500 A
Series/Type: Date: B85321 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 filters B85321A*+160 B85321A*+160 B85321A*A250 B85321A*A750 16 20 30
16 25 25, 75
250 250, 500 250
2 x 0.0025 2 x 0.0025 2 x 0.1 ... 2 x 1.0 2 x 0.5 ... 2 x 4.7
10 11
B85321A*A630, 55 A101 ... A501
63 ... 250 500
Legend Terminal type: Tab connectors Axial leads Soldering tags 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 filters Feedthrough filters
Rated voltage 250 V AC
Rated current 16 to 500 A
Rated capacitance 2 x 0.0025 to 2 x 4.7 F
Construction
Building-block system MKP technology (dry, self-healing)
B85321
Dielectric: polypropylene, metallized
Metal case, polyurethane potting (UL 94 V-0) For central screw fixing
Features

Compact dimensions
Versions with rated voltage 440 V AC available on request
High insertion loss
Easy to install
High contact reliability thanks to central screw fixing
Comply with EN 133200
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 Soldering tag Tab connector
Marking Manufacturer, ordering code, rated capacitance, rated voltage, rated current, climatic category, circuit diagram, date of manufacture (MM.YY), approvals Circuit diagram
SSB1274-B
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filters Feedthrough filters
Feedthrough filters 16 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 Referred to 40 C ambient temperature Reduced current values at 400 Hz 20%
B85321A*+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 VR V AC VR V DC 600 600 600 600 Vtest V DC 2700 2700 2700 2700 M2 Soldering tag Tab connector 6.3 mm 1 2 4 B85321A2502X160 B85321A2502Y160 B85321A2502Z160 x x x Terminal Fig. Ordering code Approvals
2 x 0.0025 250 2 x 0.0025 250 2 x 0.0025 250 2 x 0.0025 250
Leads 2 mm 3
B85321A2502W160 x
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 2 x 0.0025 10 kHz - 100 kHz - 1 MHz - 10 MHz 25 100 MHz > 80 1 GHz > 80
Dimensional drawings Figure 1, B85321A2502X160
1...3
M2 M10 x 0.75
o10.5+0.3
o16
Marking
45+2 60+2 80+2
5
Thread M2
Tightening torque 0.2 +0.05 Nm +0.5 Nm
_ 10 4
SSB2018-T
M10 x 0.75 3
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filters Feedthrough filters
Figure 2, B85321A2502Y160
Soldering tag, size 3 mm
B85321A*+160
16 mm, 16 A
1...3
M2
Marking
M10 x 0.75
o10.5+0.3
o16
45+2 60+2 80+2
5
Thread M2
Tightening torque 0.2 +0.05 Nm +0.5 Nm
_ 10 4
SSB2019-2-E
M10 x 0.75 3
Figure 3, B85321A2502Z160
1...3
Marking
45+2 60+2 155 _ 3
5 453
SSB2020-5
M10 x 0.75
o10.5+0.3
o16 o2
Tightening torque: 3 +0.5 Nm
Figure 4, B85321A2502W160
Tab connector, size 6.3 mm 1...3
Marking
45+2 62+2 902 13+1
SSB2031-K-E
M10 x 0.75
o10.5+0.3
o16
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 filters Feedthrough filters
Feedthrough filters 20 mm Technical data and measuring conditions Rated voltage VR Rated current IR Capacitance tolerance Climatic category (IEC 60068-1) Screw cap fixing Approvals 250 and 500 V AC, 50/60 Hz 600 and 700 V DC Referred to 40 C ambient temperature Reduced current values at 400 Hz 20%
B85321A*+160
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 2 x 0.0025 2 x 0.0025 2 x 0.0025 VR V AC 250 250 500 VR V DC 600 600 700 Vtest V DC 2700 2700 3000 M4 Leads 2 mm 1 2 B85321A2502A160 B85321A2502B160 B85321A4502C160 x x x Terminal Figure Ordering code Approvals
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 2 x 0.0025 10 kHz - 100 kHz - 1 MHz - 10 MHz 25 100 MHz > 80 1 GHz > 80
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filters Feedthrough filters
Dimensional drawings Figure 1, B85321A2502A160
1...3
B85321A*+160
20 mm, 25 A
M4
Marking
M12 x 0.75
o12.5+0.3
o20
45+2 60+2 93+2
5
Thread M4
Tightening torque 1.2 +0.1 Nm
17 _ 2
SSB2022-L
M12 x 0.75 4.0 +0.5 Nm
Figure 2, B85321A2502B160, B85321A4502C160
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 filters Feedthrough filters
Feedthrough filters 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 500 and 600 V DC
B85321A*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 VR V AC VR V DC 600 600 500 600 600 500 Vtest V DC 3000 2000 1700 3000 2000 1700 M6 M6 M6 M6 M6 M6 B85321A2204A250 B85321A2105A250 B85321A2205A250 B85321A2204A750 B85321A2105A750 B85321A2205A750 x x x x - x Terminal Ordering code Approvals
2 x 0.1 250 2 x 0.5 250 2 x 1.0 250
75
2 x 0.1 250 2 x 0.5 250 2 x 1.0 250
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 2 x 0.1 2 x 0.5 2 x 1.0 10 kHz 2 5 10 100 kHz 10 25 30 1 MHz 25 45 60 10 MHz 70 80 90 100 MHz > 100 > 100 > 100 1 GHz > 100 > 100 > 100
Dimensional drawing
M6
Marking
M20 x 1
o30
M6
Thread M6
Tightening torque 3 +0.5 Nm 10 +1 Nm
5
81+1 130 _ 1
SSB2085-J
M20 x 1
Please read Cautions and warnings and
Important notes at the end of this document.
10
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1-line filters Feedthrough filters
Feedthrough filters 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 350 and 600 V DC
B85321A*A630, A101 ... A501
55 mm, 63 ... 500 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 for filters up to 300 A on request UL 1283, 250 V
Characteristics and ordering codes IR A 63 CR F VR VR 600 600 600 350 600 600 600 350 600 600 600 350 600 600 600 350 600 600 600 350 Vtest Terminal Dimensions (mm) l +1 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 130 130 130 130 l1 -1 166 166 166 166 180 180 180 180 185 185 185 185 195 195 195 195 245 245 245 245 l2 -3 45 45 45 45 52 52 52 52 55 55 55 55 60 60 60 60 72 72 72 72 B85321A2105A630 x B85321A2205A630 x B85321A2405A630 x B85321A2945A630 x B85321A2105A101 x B85321A2205A101 x B85321A2405A101 x B85321A2945A101 x B85321A2105A201 x B85321A2205A201 x B85321A2405A201 x B85321A2945A201 x B85321A2105A301 x B85321A2205A301 x B85321A2405A301 - B85321A2945A301 x B85321A2105A401 - B85321A2205A401 - B85321A2405A401 - B85321A2945A401 - Ordering code Approvals
V AC V DC V DC 3000 M6 2500 M6 2500 M6 1700 M6 3000 M8 2500 M8 2500 M8 1700 M8 3000 M10 2500 M10 2500 M10 1700 M10 3000 M12 2500 M12 2500 M12 1700 M12 3000 M16 2500 M16 2500 M16 1650 M16
2 x 0.5 250 2 x 1.0 250 2 x 2.0 250 2 x 4.7 250
100
2 x 0.5 250 2 x 1.0 250 2 x 2.0 250 2 x 4.7 250
200
2 x 0.5 250 2 x 1.0 250 2 x 2.0 250 2 x 4.7 250
300
2 x 0.5 250 2 x 1.0 250 2 x 2.0 250 2 x 4.7 250
400
2 x 0.5 250 2 x 1.0 250 2 x 2.0 250 2 x 4.7 250
x = approval granted
Please read Cautions and warnings and
Important notes at the end of this document.
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1-line filters Feedthrough filters
Characteristics and ordering codes IR A 500 CR F VR VR 600 600 600 350 Vtest Terminal Dimensions (mm) l +1 130 130 130 130 l1 -1 250 250 250 250 l2 -3 75 75 75 75 Ordering code
B85321A*A
55 mm, 63 ... 500 A
Approvals
V AC V DC V DC 3000 M18 2500 M18 2500 M18 1650 M18
2 x 0.5 250 2 x 1.0 250 2 x 2.0 250 2 x 4.7 250
B85321A2105A501 - B85321A2205A501 - B85321A2405A501 - B85321A2945A501 -
x = approval granted
Insertion loss (dB); typical values at 50
CR (F) 2 x 0.5 2 x 1.0 2 x 2.0 2 x 4.7 10 kHz 5 10 15 25 100 kHz 25 30 35 40 1 MHz 45 60 70 90 10 MHz 80 > 100 > 100 > 100 100 MHz > 100 > 100 > 100 > 100 1 GHz > 100 > 100 > 100 > 100
Dimensional drawing
A/F 41
A/F 10
Marking
551
8 15+1
2 1 SSB1273-3-E
Thread M6 M8 M10 M12 M16 M18
Tightening torque 3 +0.5 Nm 5 +0.5 Nm 8 +2 12 +2 28 +2 35 +2 Nm Nm Nm Nm 12
Thread M27 x 1.5 M32 x 1.5
Tightening torque 16 +2 Nm 24 +2.5 Nm
Please read Cautions and warnings and
Important notes at the end of this document.
01/06
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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