RoHS Audio Transformer AT3945 For Digital Audio Data application Operating Temperature Range: -0ºC to +70ºC Reflow Condition: Maximum reflow temp is 250ºC/-5ºC, time is 20~40 sec. (Refer to IPC/ JEDEC J-STD-020C Standard) Electrical Specifications @ 25°C Part Part Number Number Turn Ratio Inductance LL Bandwidth (±2%) Lp@100KHz, 0.1V (uH Max) 100K~55MHz AT3945 1:1 2mH ~ 3mH 0.5uH Return Loss 100K~10MHz 3dB typ 20dB Min HI-POT (Vrms) 2000V All specifications subject to change without notice. MECHANICAL A 5 4 Marking : C Allied AT3945 B 8 1 ․ YYWW E F D 08 K HG A=11.7/0.461 B=10.0/0.394 C=6.20/0.244 D=1.40/0.055 E=10.0/0.394 F=13.90/0.547 K=5.6/0.220 G=7.50/0.295 L=0.6/0.0236 typ H=8.70/0.342 I =8.70/0.342 J=2.54/0.098 L Unless otherwise specified, all tolerance are ± 0.25mm / 0.010 SCHEMATICS 714-665-1140 ALLIED COMPONENTS INTERNATIONAL 01/03/14 15 www.alliedcomponents.com