? coilcraft, inc. 2007 specifications subject to change without notice. please check our website for latest information. adsl2 transformer document 414 document 414 revised 11/08/04 1. inductance measured at 10 khz, 0.1 vrms, 0 adc with windings connected in series. 2. leakage inductance measured at 100 khz, 0.1 vrms, 0 adc from pins 1 to 5 with all other pins shorted. 3. capacitance measured at 100 khz, 0.1 vrms, 0 adc from chip side to line side. 4. operating temperature range ? 40c to +85c. 5. electrical specifications at 25c. for broadcom bcm6348 router chip this transformer has been designed specifically for use with the adsl2 bcm6348 router chip from broadcom. it features a compact industry-standard size, very low leakage inductance and 1875 v primary-secondary iso- lation. primary inductance is stable from -40c to +85c and the longitudinal balance is optimized for the best overall performance at the adsl2 transmission speed. the B0727-B has been evaluated and approved by ul to meet 60950 under a supplementary insulation system with a working voltage of 250 vrms, 353.5 v peak. coilcraft can also custom design a transformer for your specific application. to request free evaluation samples, please contact coilcraft or visit www.coilcraft.com . line side leakage longitudinal part turns ratio inductance 1 inductance 2 capacitance 3 dcr max (ohms) balance thd number line : chip 5% (h) max (h) max (pf) line side chip side min (db) max (db) B0727-B 2 : 1 409.5 6.5 65.0 0. 645 (1-4) 0.284 (10-7) 50.0 (1.1 mhz) -80 0.645 (2-5) 0.371 (9-6) 7 6 1 line side chip side 2 4 5 10 9 0.061 1,55 1 0.500 12,70 0.530 13,46 0.039 1,00 0.512 13,00 0.699 17,75 max 0.590 14,99 0.028 0,70 0.050 1,27 0.098 2,50 0.098 2,50 max max 10 1 6 5 recommended land pattern 0.004 /0,10 dot above pin1 weight: 6.2 g tape and reel: 175/13 reel 32 mm tape width for packaging data see tape and reel specifications section. this product is not rohs-compliant. contact coilcraft for current status or possible alternatives.
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