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TEW4994-3 Datasheet(PDF) 1 Page - Filtran LTD |
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TEW4994-3 Datasheet(HTML) 1 Page - Filtran LTD |
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1 / 1 page TEW4994 is designed to be used either as a transmit or a receive transformer in the ISDN primary access network, interfacing SIEMENS PEB2235 and PEB2236 to a 75, 100 or 120 ohm line. When in transmit mode, connect the two primary windings in parallel, pin 1 to 2 and pin 5 to 6. When in receive mode, connect the two primary windings in series, pin 5 to pin 2, thus forming a center tap at pin 5/2. Typical applications are: • Primary rate ISDN network nodes. • PBX or computer to T1/CEPT Digital trunks. • TDM Multiplexers. Line Impedance 75 Ω 100 Ω 120 Ω 75/120 Ω Inductance (mH) (4-8) > 2.0 > 3.4 > 2.0 > 2.0 Turns ratio (1-5):(2-6):(4-8) 1:1:1.57 1:1:2.67 1:1: 2 1:1:2 (1-5):(2-6):(4-7) 1:1:1.57 Pulse Mask CEPT T1/DS1 CEPT CEPT Longitud. Bal. I.431 T1.408 I.431 I.431 Return Loss G.703 T1.408 G.703 G.703 Dielectric Strength (V rms) 1500 1500 1500 1500 DRILL 0.040 8 PLACES GRID 0.10 x 0.10 WHITE DOT 0.45 MAX 85 14 DIA 0.025 0.10 MIN DIMENSIONS ARE IN INCHES 0.50 MAX 0.50 MAX TEW4994, -1 and -2 All dimensions are in inches Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, 2-23 Tel : (613) 226 1626 Fax : (613) 226 7124 CEPT /T1 input/output Transformer TEW 4994 WHITE DOT AT PIN 1 1 5 2 6 4 Line 8 Drill 0.040" 8 Places TEW4994-3 Com. 4 Line 75 Ω 7 120 Ω 8 1 5 2 6 MECHANICAL ELECTRICAL SPECIFICATIONS TEW4994 TEW4994-1 TEW4994-2 TEW4994-3 |
Similar Part No. - TEW4994-3 |
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Similar Description - TEW4994-3 |
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