TITLE OCTAL T1/E1 TRANSFORMER PN 37543 AGENCY APPROVAL: NA F REV 2 SH OF 12 DIMENSIONAL OUTLINE SPECIFICATIONS EXTENDED TEMP RANGE (-40C TO +85C) 1. TURNS RATIO: RECEIVE (IN+ TO IN-) : (OUT+ TO OUT-) TRANSMIT(1-2):(39-40):(38-40):(6-7) (34-35):(33-35):(11-12):(29-30) (28-30):(16-17):(24-25):(23-25) 2. INDUCTANCE: TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) 3. LEAKAGE INDUCTANCE: TRANSMIT IN+ TO IN(WITH OUT+ AND OUT- SHORT) RECEIVE IN+ TO IN(WITH OUT+ AND OUT- SHORT) 1.130 1.115 . .495 .480 1 : 2CT ±2% 1 : 1:1.26CT ±2% SCHOTT 37543 PIN 1 INDICATOR 1.2 mH MIN. @ 0.01V. 100KHz . 25C 1.2 mH MIN. @ 0.01V. 100KHz . 25C 600 uH MIN. @ 0.01V. 100KHz . -40C TO +85C 600 uH MIN. @ 0.01V. 100KHz . -40C TO +85C .640±.010 DATE CODE & COUNTRY OF ORIGIN .018±.002 .950±.010 .010±.002 .220±.010 .015±.005 REF. PWB LAYOUT 0.5uH MAX. @ 1MHz .050 0.5uH MAX. @ 1MHz .090 .660 4. INTERWINDING CAPACITIANCE: (IN+, IN-) TO (OUT+, OUT-) 35pf MAX @ 1MHz .090 .030 5. D.C. RESISTANCE: TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) TRANSMIT( OUT + TO OUT -) RECEIVE( OUT + TO OUT -) 6. DIELECTRICAL VOLTAGE WITHSTAND: (IN+, IN-) TO (OUT+:OUT-) COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES 0.6 ohms Max. 0.8 ohms Max. 1.2 ohms Max SCHEMATIC IN + 1500VAC for 60 seconds (1800VAC for 1 second production test) 7. RETURN LOSS: WINDING WITH A TURNS RATIO1,1.26 AND 2 IS 100 OHM REF.) (25 OHMS CONNECTED TO TH E LOW TURNS SIDE OF 2 RATIO TRANSFORMER) (100 OHMS CONNECTED TO TH E LOW TURNS SIDE OF 1 RATIO TRANSFORMER) (63 OHMS CONNECTED TO TH E LOW TURNS SIDE OF 1.26 RATIO TRANSFORMER) 12dB MIN 51KHz TO 102KHz 18dB MIN 102KHz TO 2.048MHz 14dB MIN 2.048MHz TO 3.072 MHz 1 1 : 1/1.26CT TX IN - 2 38 37 9. COMMON MODE REJECTION: 65dB OR BETTER 50dB OR BETTER @1MHz IN - 36 6 35 IN OUT + 7 33 OUT - 2CT : 1 32 IN + 31 IN - 1 : 1/1.26CT 12 2CT : 1 IN - 16 1 : 1/1.26CT 17 OUT - 27 IN + 26 IN - 25 OUT + 23 OUT - 22 IN + 21 IN - 2CT : 1 19 OUT - 20 MILLIMETERS (mm) 28 24 OUT + 18 INCHES / DECIMAL OUT + 14 OUT - 15 IN + 30 29 OUT + 13 RX 9 TOLERANCES UNLESS OTHERWISE SPECIFIED 11 TX 34 OUT - 10 1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com IN + IN - RX 1 : 1/1.26CT OUT + 8 RX OUT - 4 TX 8. CROSS TALK: IN + TX 2CT : 1 OUT - 5 IN + OUT + 39 OUT + 3 RX 40 .XX = ± .01 .XX = ± 0.20 .XXX = ±.005 ANGLES ± 1°