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| 772 SERIES Pulse Transformers features 600Vrms Working UL 94V-0 Package Material 2500/4000Vrms Isolation Inductance to 16mH Up to 480 V S ET PCB Mounting Custom Parts Available description The 772 series of pulse transformers are intended for medium power applications in switch mode power supplies and thyristor/triac firing (eg motor control applications). The standard turns ratios may be modified by connecting several windings in series. pin connections 8 Pin DIP (top view) 1 Secondary 1 3 4 Primary 5 Secondary 2 2 6 Pulse Transformers 4-17 4 - 772 SERIES 772 SERIES Pulse Transformers absolute maximum ratings over operating free air temperature range Operating free air temperature range . . . . . . . . Storage temperature range . . . . . . . . . . . . . Lead Temperature 1.5mm from case for 10 seconds Isolation voltage (flash tested for 1 second) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to 70C . --60C to 125C . . . . . . 300C . . . . 2500Vrms electrical specifications over operating free air temperature range Part Number 77201 77202 77203 77204 77205 77206 77207 77208 77209 16.3 482 40 40 3.50 1.60 2.00 Parameter Units Turns Ratio 2% 1:1 1.00 120 2.0 50 0.25 0.23 ---- 1:1:1 2:1:1 1.00 120 3.0 40 0.25 0.22 0.28 1.00 120 3.5 30 0.24 0.12 0.15 1:1 4.00 240 5.0 55 0.86 0.83 ---- 1:1:1 2:1:1 4.00 240 11 35 0.90 0.76 1.10 4.00 240 11 35 0.84 0.38 0.50 1:1 16.3 482 18 65 3.50 3.40 ---- 1:1:1 2:1:1 16.3 482 40 40 3.60 3.10 4.20 mH Vs H pF Primary Inductance (min.) Primary ET Constant Leakage Inductance (max.) Interwinding Capacitance (max.) DC Resistance (max.) Primary Winding DC Resistance (max.) Secondary 1 Winding DC Resistance (max.) Secondary 2 Winding Package Style 1 Note : All data taken at T A = 25C. 4-18 772 SERIES Pulse Transformers outline dimensions 8 Pin DIP package style 1 recommended footprint details All dimensions in mm XX.X 0.50, XX.XX 0.25 Pulse Transformers 4-19 4 - 772 SERIES |
Price & Availability of 77208
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