july 1, 2008 datatronic: 28151 highway 74, romoland, ca 92585 tel 951-928-7700, toll free 888-889-5391, fax 951-928-7701 email: ddisales@datatronics.com 499 king?s road, hong kong tel: (852) 2562 3858, (852) 2564 8477 fax: (852) 2565 7214, (852) 2563 1290 all specifications are subj ect to change without notice. 1.32 .052 SM77121 date code suggested pad layout 6.40 .252 5.08 .200 1.27 .050 1.78 .070 6 8.36 .329 6.35 .250 6.86 .270 1 3 4 5 2.54 .100 2.54 .100 2.40 max .094 1 3 6 5 4 schematic gate drive transformer SM77121 electrical specifications at 25 c: turn ratio (1-3) : (6-5-4) 1 : 2ct +/-2 % ocl (1-3) @100khz, 0.1v 2.0 mh 30% leakage l (1-3) @ 500khz, 0.1v, short (6-4) 4.0 h 20% dcr (1-3) 1.00 max dcr (6-5) 1.00 max dcr (5-4) 1.00 max polarity 1, 6 & 5 same phase hipot (1-3) to (4-5-6) 1500 vdc hipot (1,3,4,5,6) to core 750 vdc operating voltage 8.5 v max operating frequency 200 khz et 4 vsec nominal operating temperature -40 c to +130 c mechanical outline: notes: 1. dimensions are shown in millimeters/inches 2. unless otherwise specified, tolerance: 0,25/0.010 3. coplanarity: 0.102/0.004 4. for non-rohs parts replace sm prefix with 42- (e.g. SM77121 becomes 42-77121) 5. terminal finish is compliant to rohs requi rements. solder in accordance with j-std-020c
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