T1/CEPT/ISDN Transformer
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oH V SC AV ER OM AI SIO PL LA N IA BL S NT E
Features
■ Low height of 6.22 mm
Applications
■ Tele...
Description
www.DataSheet4U.com
oH V SC AV ER OM AI SIO PL LA N IA BL S NT E
Features
■ Low height of 6.22 mm
Applications
■ Telecom
SM 743 YYW W 46
*R
■ HIPOT of 1500 VAC ■ Dual transformer for transmit and receive ■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
SM74346E - T1/CEPT/ISDN Transformer
Electrical Specifications @ 25 °C OCL (16-14) mH min. @ 10 kHz, 0.1 V ................1.2 OCL (6-8) mH min. @ 10 kHz, 0.1 V ................1.2 LL (16-14) µH max. @ 100 kHz, 0.1 V, short (1-3) ........................................0.6 LL (6-8) µH max. @ 100 kHz, 0.1 V, short (11-9) ......................................0.6 Cww (16-1) pF max. @ 100 kHz, 0.1 V ................30 Cww (6-11) pF max. @ 100 kHz, 0.1 V ................30 DCR (16-14) ohm max.........................0.7 DCR (6-8) ohm max.............................0.7 DCR (1-3) ohm max.............................1.4 DCR (11-9) ohm max...........................1.4 Turns Ratio (16-14) : (1-3) ..............1CT : 2CT ±5 % (6-8) : (11-19) ..............1CT : 2CT ±5 % Polarity (1, 16, 6, 11) ............Same phase HIPOT Between Windings................1500 VAC Between Transformers..........1500 VAC Operating Temperature (°C) ........0 to +70 *CT : center tap Packaging Specifications Tape & Reel..........................700 pcs./reel Product Dimensions
12.83 MAX. (.505) 16 9.58 MAX. (.375) 9
Electrical Schematic
1 16
2
15
SM74346
(DATE)
1 8
7.10 MAX. (.280)
3 6
14 11
1.27 (.050)
...
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