TITLE TRANSFORMER, ADSL CENTRAL OFFICE SCHOTT CORPORATION PART NUMBER 1000 PARKERS LAKE ROAD WAYZATA, MN 55391 SPECIFICATIONS 2 31250 PAGE 10 1. INDUCTANCE: @ 0.1 Vrms, 10 KHz, 1-3-2-4 = 853.2 TO 1042.8 µH 1 END inches (mm) .940 MAX (23.87) TEMP CLASS 130°C 7 LABEL SCHOTT 31250 YYWW 2. LEAKAGE INDUCTANCE: @ 0.1 Vrms, 100 KHz 1-3-2-4 W/ 10-8-9-7 SHORTED = 20 µH MAX REV 1.050 MAX (26.67) PINS: .028 X .045 MAX (0.70 X 1.10) 3. IWC: 1-3-2-4 TO 10-8-9-7 @ 100 KHz = 25 pF MAX 1 PINS 5 & 6 REMOVED 4 4. TURNS RATIO: 1-3 : 2-4 : 10-8 : 9-7 = 1.40 : 1.40 : 1 : 1 ± 2% 5. DC RESISTANCE: OHMS MAX 1-3, 2-4 = 1.00 10-8, 9-7 = 0.80 .500 MAX (12.70) 6. LONGITUDINAL BALANCE: @ 100 KHz, 100 OHMS, = - 60 dB MIN 7. DIELECTRIC STRENGTH: 1500 Vac, 1 minute (1800 Vac, 1 second Schott Production test) 1-2-3-4 TO 7-8-9-10 ALL WINDINGS TO CORE 8. HARMONIC DISTORTION: @ 100 KHz, 15 V p-p, 100 OHMS = -80 dB MIN .110 MIN (2.80) .150 (3.81) CHIP .80 (20.32) 1 10 3 2 8 9 4 7 TOLERANCES UNLESS OTHERWISE NOTED 2 PLACE + - .02 LINE 3 PLACE + - .005 ANGLE + - °