SM74346E

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 YYW 7434 W6 *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) 8.90 (.350) 7 10 8 9 6.22 MAX. (.245) 0.46 ± 0.05 (.018 ± .002) 16 PLCS. 0.10 (.004) 16 SURFACES How to Order SM74346E __ Model Termination Blank = Tin-lead L = Tin only (lead free) 0.25 (.010) 0°-8° 8.89 (.350) 1.91 (.075) 8.83 (.328) 1.27 (.050) 16X 0.74 ± 0.03 (.029 ± .001) Recommended PAD layout DIMENSIONS ARE: MM (INCHES) 0.254 (.010) TOLERANCE: ± 02/06 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.