? all specifications are subject to change without notice. (1/2) 001-01 / 20011102 / e532_rlf12560.fm inductors rlf series rlf12560 type for power line smd accompaning large current power supplies, these inductors have secured efficient characteristics by improving its magnetic circuit based on existing products. these products meet resistance reducing and current enlargement. features comparing with existing products(rlf12545), dc current superimposition characteristic have improved. especially, inductance rises about 10% in spite of high temperature at 100c. in addition, inductance have risen about 30% at normal temperature. using flat-squere wire for winding, that is rising space factor, these inductors can reduce current resistance and suppress cal- orific value. forming internal gap, their structure suppress outgoing mag- netic flux leakage. completely pb free for both inside of products and terminal elec- trodes. applications choke coils in power circuit of personal computers, crystal liquid television monitors, set top boxes, amusement equipments, etc. specifications recommended reflow soldering conditions product identifications (1) series name (2) dimensions l w t (3) packaging style (4) inductance value (5) inductance tolerance (6) rated current packaging style and quantities type operating temperature range [including self-temperature rise] storage temperature range [unit of products] rlf12560 ?20 to +105c ?40 to +105c 30s 120s preheating 10s natural cooling 260 3?c 230?c min. 165 15?c time ( s ) 120s min. 12560 12.5 12.5 6.0mm t taping(reel) 1r0 1 h 100 10 h m 20% n 30% 8r2 8.2a 140 14.4a packaging style type quantity taping rlf12560t 500 pieces/reel rlf 12560 t- 1r0 n 140 (1) (2) (3) (4) (5) (6) ( datasheet : )
all specifications are subject to change without notice. (2/2) 001-01 / 20011102 / e532_rlf12560.fm inductors rlf series rlf12560 type for power line smd shapes and dimensions/recommended pc board pattern electrical characteristics ? rated current: value obtained when current flows and the temperature has risen to 40 c or when dc current flows and the initial value of inductance has fallen by 50%, whichever is smaller. test equipment inductance: yhp 4194a impedance gain/phase analyzer, or equivalent dc resistance: digital milliohm meter vp-2941a matsushita, or equivalent typical electrical charcteristics inductance change vs. dc superposition characteristics measuring circuit inductance ( h) inductance tolerance (%) test frequency l (khz) dc resistance (m ? ) 20% rated current(a) part no. based on inductance change based on temperature rise 1.0 30 100 2.8 18.5 max. 14.4 typ. rlf12560t-1r0n140 1.9 30 100 3.6 15.6 max. 12.7 typ. rlf12560t-1r9n120 2.7 30 100 4.5 14.4 max. 11.5 typ. rlf12560t-2r7n110 4.2 30 100 7.4 10.2 max. 10.0 typ. rlf12560t-4r2n100 5.6 30 100 8.5 9.7 max. 9.2 typ. rlf12560t-5r6n9r2 7.8 30 100 10.2 8.2 max. 8.4 typ. rlf12560t-7r8n8r2 10 20 100 12.4 7.5 max. 7.8 typ. rlf12560t-100m7r5 12.8 0.5 12.5 0.5 3.5 0.2 ( 7.8 ) 2.5 0.2 3.5 0.2 winding start mark 2.5 0.2 100 terminal electrode 6.0max. 7.5 3.2 3.2 4 dimensions in mm dc current(a) 0.1 1 0.1 10 110 inductance( h) 1r0n 1r9n 2r7n 4r2n 5r6n 7r8n 100m 100 a l=0.1h c=20000 f lx test circuit lcr meter
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