44 ferrite emi beads with axial wire figure #1 figure #2 part number typical impedance ( w ) typical peak impedance ( w ) typical peak impedance frequency ( mhz ) dcr max ( w ) rated i max (continuous) ma z @ 25 mhz z @ 100 mhz z @ 500 mhz z @ 1 ghz 28j0138-11r-10 95 143 160 140 165 300 0.01 5,000 28l0138-10r-10 45 75 70 55 80 200 0.01 5,000 28L0138-40R-10 99 135 180 80 138 200 0.01 5,000 28l0138-50r-10 92 153 152 111 161 150 0.01 5,000 28l0138-70r-10 123 220 180 110 220 100 0.01 5,000 28l0138-80r-10 48 86 78 57 85 100 0.01 5,000 part number fig # a mm (inches) b mm (inches) c mm (inches) 28j0138-11r-10 1 3.51 (0.138) 25.40 (1.000) 4.45 (0.175) 28l0138-10r-10 2 3.51 (0.138) 59.00 (2.323) 4.45 (0.175) 28L0138-40R-10 2 3.51 (0.138) 59.00 (2.323) 8.89 (0.350) 28l0138-50r-10 2 3.51 (0.138) 59.00 (2.323) 9.53 (0.375) 28l0138-70r-10 2 3.51 (0.138) 59.00 (2.323) 13.97 (0.550) 28l0138-80r-10 2 3.51 (0.138) 59.00 (2.323) 5.23 (0.206) part number system example 28 j 0138 -1 1 r -10 material type product code part size code selected dimension code additional description packaging code additional description c a b c a b see diagram 1 on page 48 for equivalent circuit differential mode emi filters ? lead free & rohs compliant ? high current ? thru-hole application ? wire leads thru ferrite ? low dcr ? all current ratings (i max) are based on continuous operation. chart data can be sorted at www.lairdtech.com. refer to part print for additional dimensions
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