TITLE TRANSFORMER, HDSL 2 : 1, 0.5 mH SCHOTT 1000 PARKERS LAKE ROAD CORPORATION WAYZATA, MN 55391 SPECIFICATIONS B 28887 1 END PAGE 1 8 SCHOTT 28887 YYWW 3. LEAKAGE INDUCTANCE: @ 100 KHz 1-2-3-4 W/ 5-8 SHORTED = 50 µhY MAX REV .780MAX (19.81) 1. TEMP CLASS 105°C 2. INDUCTANCE: @ 10 KHz, 0.1 V 1-2-3-4 = 5 mHy ± 5% PART NUMBER AGENCY APPROVAL: N/A .780MAX (19.81) 5 4 4. TURNS RATIO: 1-2 : 3-4 : 5-8 = 1 : 1 : 1 ± 2% 5. INTERWINDING CAPACITANCE: @ 100 KHz 5-8 TO 1,2,3,4 = 75 pF MAX GROUND PIN 6 .640MAX (16.26) 6. DC RESISTANCE: 1-2, 3-4 = 1.6 OHM ± 10% 5-8 = 2.1 OHM ± 10% 7. RETURN LOSS: 1-2-3-4, REF 135 OHM, 5-8 LOADED 30 OHM: 20 KHz - 80 KHz = -17 dB MAX 20 dB/DECADE BEYOND .150 MIN (3.81) .591 ± .010 (15.0) .197 ±.010 (5.0) Sq. .024 (0.61) 8. LONGITUDINAL BALANCE: 1-2-3-4 @ 135 OHM 200 KHz = 55 dB MIN 1 6 5 9. FREQUENCY RESPONSE: 1-2-3-4 REF = 135 OHM LOAD 30 OHMS, 20-80 KHz = 0.2 dB MAX LINE 10. HARMONIC DISTORTION: 135 OHM, 20 KHz, 60 mAdc, 5 V p-p = 70 dB MIN NOTE: NOT NECESSARY TO TEST IN PRODUCTION. 2 3 CHIP 8 7 4 11. DIELECTRIC STRENGTH: 3550 Vdc GROUND ONLY ONE END OF SHIELD This transformer designed for use with Brooktree 8958 inches (mm) TOLERANCES UNLESS OTHERWISE NOTED 2 PLACE ± .01 ANGLE 3 PLACE ± .005 ± °