FLYBACK TRANSFORMER FOR LT®1171™ Designed for use with Linear Technology’s ® ™ LT 1171 in power supplies for Subscriber Line Interface Circuits Turns ratio 1:1:1:1 with low leakage inductance Performance verified by Linear Technology Corporation Electrical Specifications @ 25°C — Operating Temperature -30°C to +130°C Part Number Turns Ratio Primary Inductance (µH ) Leakage Inductance (µH ) DCR (mΩ) (VRMS) PE-68488 1:1:1:1 36 ± 25% 0.30 MAX (See schematic and note 1) (See note 2) Schematic Mechanical .900 MAX 22,86 .850 MAX 21,59 130 mΩ 9 V ±10% at 100 KHz Date Code Country of Origin .500 MAX 12,70 Hipot 2 38 mΩ 130 mΩ 1 130 mΩ PE-68488 7 24 V DC 65 mADC 6 5 4 48 VDC 65 mADC 3 FLYBACK TRANSFORMER (approximately 10° C temperature rise) .510 12,95 8 .130 3,30 1 NOTES: 1. DCR’s listed are nominal. Maximum DCR’s are 20% over nominals. 2. Primary (1-2) to Secondaries (6-7) and (3-5): 1000 Vrms, 2 seconds. Secondary (3-5) to Secondary (6-7): 200 Vrms, 2 seconds. 3. Through-hole pins are .025 inches square. 4. LT®1171™ is a trademark of Linear Technology Corporation. .150 3,81 .600 15,24 Weight . . . . . . . . . . .7 grams Tray . . . . . . . . . . . . . .50/tray .200 5X 5,08 5 Dimensions: Inches mm 4 Unless otherwise specified all tolerances are ± .010 0,25 US 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com PC500.B (5/02) 40