TITLE OCTAL T1/E1 TRANSFORMER PN 37539 AGENCY APPROVAL: NA F REV 2 SH OF 12 DIMENSIONAL OUTLINE ELECTRICAL SPECIFICATIONS: Extended Temperature Range 1. TURNS RATIO: TRANSMIT (IN+ TO IN-) : (OUT+ TO OUT-) RECEIVE (IN+ TO IN-) : (OUT+ TO OUT-) 2. INDUCTANCE: TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) 1.130 1.115 1 : 2 ±2% 1 : 2CT ±2% . .495 .480 1.5 mH MIN. @ 0.01V. 100KHz . 25C 1.5 mH MIN. @ 0.01V. 100KHz . 25C 600 uH MIN. @ 0.01V. 100KHz . -40C TO +85C 600 uH MIN. @ 0.01V. 100KHz .- 40C TO +85C SCHOTT 37539 .640±.010 DATE CODE & COUNTRY OF ORIGIN PIN 1 INDICATOR .018±.002 .950±.010 .010±.002 3. LEAKAGE INDUCTANCE: TRANSMIT IN+ TO IN(WITH OUT+ AND OUT- SHORT) RECEIVE IN+ TO IN(WITH OUT+ AND OUT- SHORT) .220±.010 0.6uH MAX. @ 1MHz REF. PWB LAYOUT 0.6uH MAX. @ 1MHz .015±.005 .050 .090 4. INTERWINDING CAPACITIANCE: (IN+, IN-) TO (OUT+, OUT-) 35pf MAX @ 1MHz 5. D.C. RESISTANCE: (IN+ TO IN-) (OUT+ TO OUT-) 1.0 ohms Max. 1.5 ohms Max. 6. DIELECTRICAL VOLTAGE WITHSTAND: (IN+, IN-) TO (OUT+, OUT-) .660 .090 1500 VAC for 60 seconds (1800VAC for 1 second production test) 7. RETURN LOSS: (WINDING WITH TURNS RATIO 2 IS 100 OHM REF.) (25 OHMS CONNECTED TO THE LOW TURNS SIDE OF 2 RATIO TRANSFORMER) 12dB MIN 51KHz TO 102KHz 18dB MIN 102KHz TO 2.048MHz 14dB MIN 2.048MHz TO 3.072 MHz .030 COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES SCHEMATIC IN + 1 1:2 40 OUT + 39 OUT - TX IN - 2CT : 1 38 IN + 65dB MIN OUT - 9. COMMON MODE REJECTION RATIO: 50dB MIN @ 1 MHz OUT + 6 5 RX 7 OUT - 8 1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com 30 OUT + 29 OUT - 28 IN + 26 IN - 25 IN + 23 IN - 19 22 OUT + 20 21 OUT - OUT + 13 OUT - 15 35 IN + OUT + 16 RX 33 IN - 1:2 32 OUT + 2CT : 1 14 IN - 2CT : 1 9 12 36 TX IN - IN - RX 4 8. CROSS TALK: IN + 1:2 11 TX 2 OUT + 3 RX IN + 2CT : 1 17 OUT - 18 IN + 1:2 TX 10 TOLERANCES UNLESS OTHERWISE SPECIFIED 31 OUT - IN - INCHES / DECIMAL MILLIMETERS (mm) .XX = ± .01 .XX = ± 0.20 .XXX = ±.005 ANGLES ± 1°