July 1, 2008 GATE DRIVE TRANSFORMER SM77121 ELECTRICAL SPECIFICATIONS AT 25°C: TURN RATIO (1-3) : (6-5-4) OCL (1-3) @100kHz, 0.1V Leakage L (1-3) @ 500kHz, 0.1V, SHORT (6-4) DCR (1-3) DCR (6-5) DCR (5-4) POLARITY HIPOT (1-3) TO (4-5-6) HIPOT (1,3,4,5,6) TO CORE OPERATING VOLTAGE OPERATING FREQUENCY ET OPERATING TEMPERATURE 1 : 2CT +/-2 % 2.0 mH ±30% 4.0 μH ±20% 1.00Ω MAX 1.00Ω MAX 1.00Ω MAX 1, 6 & 5 SAME PHASE 1500 VDC 750 VDC 8.5 V MAX 200 kHz 4 Vµsec Nominal -40°C TO +130°C 6 1 5 3 4 SCHEMATIC MECHANICAL OUTLINE: 8.36 .329 1 6.40 .252 6 SM77121 2.54 .100 6.86 .270 5 5.08 .200 2.54 .100 DATE CODE 4 3 1.78 .070 SUGGESTED PAD LAYOUT 1.27 .050 6.35 .250 2.40 MAX .094 NOTES: 1. 2. 3. 4. 5. 1.32 .052 Dimensions are shown in millimeters/inches Unless otherwise specified, tolerance: ±0,25/0.010 Coplanarity: 0.102/0.004 For non-RoHS parts replace SM prefix with 42- (e.g. SM77121 becomes 42-77121) Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C DATATRONIC: 28151 Highway 74, Romoland, CA 92585 Tel 951-928-7700, Toll free 888-889-5391, FAX 951-928-7701 Email: [email protected] 499 King’s Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice.