TITLE OCTAL T1/E1 TRANSFORMER 37541 PN AGENCY APPROVAL: NA 2 SH F REV OF 12 DIMENSIONAL OUTLINE SPECIFICATIONS EXTENDED TEMP RANGE (-40C TO +85C) 1.130 1.115 1. TURNS RATIO: TRANSMIT (IN+ TO IN-) : (OUT+ TO OUT-) RECEIVE (IN+ TO IN-) : (OUT+ TO OUT-) 1 : 2CT ±2% 1 : 1CT ±2% 2. INDUCTANCE: TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) TRANSMIT (IN+ TO IN-) RECEIVE (IN+ TO IN-) 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 . .495 .480 SCHOTT 37541 .640±.010 DATE CODE & COUNTRY OF ORIGIN PIN 1 INDICATOR .018±.002 .950±.010 .010±.002 .220±.010 3. LEAKAGE INDUCTANCE: TRANSMIT IN+ TO IN(WITH OUT+ AND OUT- SHORT) RECEIVE IN+ TO IN(WITH OUT+ AND OUT- SHORT) 4. INTERWINDING CAPACITIANCE: (IN+, IN-) TO (OUT+, OUT-) 0.5uH MAX. @ 1MHz .015±.005 REF. PWB LAYOUT .050 0.5uH MAX. @ 1MHz .090 .660 35pf MAX @ 1MHz .090 5. D.C. RESISTANCE: (IN+ TO IN-) RECEIVE (OUT+ OUT-) TRANSMIT(OUT+ TO OUT-) 6. DIELECTRICAL VOLTAGE WITHSTAND: (IN+, IN-) TO (OUT+, OUT-) .030 0.6 OHMS 0.6 ohms Max. 1.2 ohms Max. 1500VAC for 60 seconds (1800 VAC for a second production test) 7. RETURN LOSS: (WINDING WITH TURNS RATIO 2 IS 100 OHM REF.) (25 OHMS CONNECTED TO THE LOW TURNS SIDE O 2 RATIO TRANSFORMER) ( 100 OHMS CONNECTED TO BOTH SIDES OF 1 RATIO TRANSFORMER) 12dB MIN 51KHz TO 102KHz 18dB MIN 102KHz TO 2.048MHz 14dB 2.048MHz TO 3.072 MHz 8. CROSS TALK: 9. COMMON MODE REJECTION: 65dB OR BETTER 50dB OR BETTER COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES SCHEMATIC IN + 1 1 : 2CT 40 TX 39 IN - 2 OUT + 3 38 1CT : 1 37 IN + 11 OUT - 12 IN - IN + OUT + 13 IN - 4 RX 5 OUT - 15 IN + 6 1 : 2CT RX OUT + 7 33 1CT : 1 32 OUT IN + 9 OUT - 10 TOLERANCES UNLESS OTHERWISE SPECIFIED 31 1CT : 1 IN - IN + 16 OUT - 27 IN + 26 IN - 25 OUT + 1 : 2CT 17 OUT + 18 RX 19 OUT - 20 MILLIMETERS (mm) 28 24 IN - INCHES / DECIMAL OUT + 14 TX 34 TX IN - 35 30 29 RX 36 1 : 2CT TX OUT - OUT + 8 1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com OUT + .XX = ± .01 .XX = ± 0.20 1CT : 1 .XXX = ±.005 23 OUT - 22 IN + 21 IN ANGLES ± 1°