2 of 8 transformer, adsl, co agency approval: ul #145198 pn 37816 .xxx = .005 rev sh a millimeters (mm) 1000 parkers lake road, wayzata, mn 55391, (952) 475-1173, www.schottcorp.com .xx = .01 inches / decimal tolerances unless otherwise specified .xx = 0.20 angles 1 specifications: temp class 105c designed to meet ul1950/iec-950 requirements working voltage 250 vrms, supplementary insulation 1. inductance: @ 0.1 vrms, 10 khz 1-4 tie 2&3 = 427.5 to 522.5 uh (474uh +/-10%) 2. leakage inductance: @ 0.1 vrms, 100 khz 1-4 tie 2&3 (short 8,6,7,5) = 15 h max 3. turns ratio: 1-4 : 8-5 tie 2&3, 6&7 = 1.41 : 1 +/- 2% 4. dc resistance: ohms 1-3-2-4 = 1.70 max 8-6-7-5 = 1.40 max 5. dielectric strength: 1875 vac, 1 second 1 to 8, tie (3-2,&6-7) all windings to core 6. harmonic distortion: 100 ohms ref input, 8-5 = 50 ohm load, v1 = 15vp-p(5.32vrms) @ 100khz v2 = -85db max @ 30khz v2 = -64db max 7. insertion loss = 0.5 db max @ 1 mhz chip=8-5, rs =100 ohms, r1 = 50 ohms 8. longitudinal balance v1= 0 dbm @ 20 khz & 250 khz, rs=100ohms, input, r1=50 ohm load, @ 20khz v2 = 60 db min @ 250khz v2 = 55 db min 9. iwc: @ 0.1vrms, 100khz 1-4 to 8-5 = 30 pf max title 1 3 4 2 8 6 5 7 chip line .510 max (12.95) .417 .006 (10.6) schott 37816 yyww .420 max (10.67) .380 max (9.65) .079 (2.00) .028 (0.71) 1 4 5 8 ref: pwb pattern .080 (2.03) .035 (0.89) .530 .010 (13.86) .079 (2.00) note: coplanarity < .004 (0.10)
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