TITLE OCTAL T1/E1 TRANSFORMER 37544 PN AGENCY APPROVAL: NA F REV 2 SH OF 12 DIMENSIONAL OUTLINE 1.130 1.115 SPECIFICATIONS EXTENDED TEMP RANGE (-40C TO +85C) 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-) 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-) 5. D.C. RESISTANCE: (IN+ TO IN-) (OUT+ TO OUT-) 6. DIELECTRICAL VOLTAGE WITHSTAND: (IN+, IN-) TO (OUT+, OUT-) 1 : 2 CT±2% 1CT : 2 ±2% 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 37544 .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 35pf MAX @ 1MHz .090 .030 0 .6 ohms Max. 1.2 ohms Max. 1500VAC for 60 seconds (1800 VAC for 1 second production test) COPLANARITY OF PINS IS LESS THEN OR EQUAL TO 0.004 INCHES IN + 1 RX 2 IN - 3 IN + 4 IN - 50dB OR BETTER @ 1MHz 40 OUT + RX 7 IN - 8 IN + 1000 Parkers Lake Road, Wayzata, MN 55391, (952) 475-1173, www.schottcorp.com IN - 13 38 OUT + IN + 14 37 TX 36 OUT - IN - 35 OUT + IN + 16 1CT : 2 RX 34 OUT - 1 : 2 CT 9 10 TOLERANCES UNLESS OTHERWISE SPECIFIED 29 OUT - 1 : 2 CT 28 OUT + 26 OUT - 15 1CT : 2 25 OUT + 17 IN - 18 IN + 19 32 TX 31 OUT - IN - MILLIMETERS (mm) 30 OUT + 27 33 OUT + INCHES / DECIMAL 1CT : 2 12 39 OUT - 1 : 2 CT TX IN - IN + 11 RX 5 65dB OR BETTER SCHEMATIC 1CT : 2 TX IN + 6 9. COMMON MODE REJECTION: SCHOTT PIN 1 INDICATOR 7. RETURN LOSS: (WINDING WITH TURNS RATIO 2 IS 100 OHM REF.) (25 OHMS CONNECTED TO THE LOW TURNS SIDE OF THE 2 RATIO TRANSFORMER) 51KHz TO 102KHz 12dB MIN 102KHz TO 2.048MHz 18dB MIN 2.048MHz TO 3.072 MHz 14dB MIN 8. CROSS TALK: . .495 .480 24 OUT - 1 : 2 CT 23 OUT + 22 21 OUT - 20 .XX = ± .01 .XX = ± 0.20 .XXX = ±.005 ANGLES ± 1°