77 SURFACE MOUNT COMMOM MODE POWER INDUCTOR SERIES KM FEATURES APPLICATIONS - Low core losses in high frequency applications - Most suitable for the energy storage and filter inductors used in Switch Mode Power Supplies - Ideal for in-line noise filters where the inductors must support large AC voltages without core saturation - Excellent for unidirectional drive applications - AC Input Filters - EMI Suppression - Switching Regulators - Switching Power Supplies ELECTRICAL CHARACTERISTICS SPECIFICATIONS - Inductance range 10H to 250H - Test frequency 1 KHz - Test level 100 mVAC - Test equipment Quadtech 1750 LCR Meter - Rated current range 0.50 Amps to 2 Amps - Tolerance 10% over entire range - Rated current Based on Lo drops 10% typical - Percentage difference 0.05% max between 2 output wdgs PHYSICAL CHARACTERISTICS - Operating temp. - Frequency application - Safety rating - Wdg configurations - Finish - Marking - Packaging -55C to +125C Flat @ 1 MHz UL94V-0 Bifilar or opposing winding Coil is bonded to base with epoxy White dot designates pin one 100 pieces per bag DIMENSIONS IN INCHES - Length A - Width B - Total coil height C - Lead spacing D - Lead length E - Lead width F 0.38" 0.40" 0.26" 0.30" 0.06" 0.06" 0.02" 0.02" 0.03" 0.01" 0.01" 0.01" Total Rated Current energy storage each winding ( mJ ) ( Amps ) KM-2.0A100K KM-1.0A180K KM-1.5A200K KM-1.0A250K KM-1.0A300K KM-1.0A400K KM-1.0A500K KM-0.75A750K KM-0.75A820K 10 18 20 25 30 40 50 75 82 0.040 0.150 0.100 0.150 0.175 0.250 0.300 0.325 0.350 2.0 1.0 1.5 1.0 1.0 1.0 1.0 0.75 0.75 20 10 22 13 15 20 25 22 23 KM-0.50A101K KM-0.50A121K KM-0.50A151K KM-0.50A181K KM-0.50A201K KM-0.25A251K 100 120 150 180 200 250 0.400 0.450 0.475 0.500 0.600 0.700 0.50 0.50 0.50 0.50 0.50 0.50 13 15 19 23 25 08 0.08" Lead A 1 L DCR each max winding each ( H ) winding () SUGGESTED LAND PATTERN Top view E Part Number D B 0.23" Choke Side view 4 Solder land C 0.36" 0.08" 3 2 F Associated Components Technology / Phone 800-234-2645 / Fax 714-265-4810 / Website http://www.act1.com