(1/2) 002-04 / 20060927 / e532_rlf12545.fm ? all specifications are subject to change without notice. smd inductors(coils) for power line(wound, magnetic shielded) rlf series rlf12545 this inductor is designed for power circuits that require a low pro- file, low inductance, and large current, such as those used in note- book pcs. it measures l12.5 w12.8 t4.5mm, about 40% lower in profile than our existing products (the slf12575 type). features with the height at only 4.5mm, and retaining the dc current superimposition characteristic, this inductor reduces dc resis- tance 20 to 50% lower than our existing products(the slf12575 type). structural efficiency allows for both a lower profile than, and electrical features equivalent to, our existing devices. the low profile makes the inductor particularly optimal for power circuit applications requiring low voltages and large current. completely lead free for both inside of products and terminal electrodes. applications choke coils in power circuit of note book computers, lcd, dvd, stb, pdp, amusement equipments, etc. specifications recommended reflow soldering conditions product identification (1) series name (2) dimensions (3) packaging style (4) inductance value (5) inductance tolerance (6) rated current (7)lead-free compatible product packaging style and quantities conformity to rohs directive operating temperature range ?20 to +105c [including self-temperature rise] storage temperature range ?40 to +105c[unit of products] 30s 60 to 120s preheating 10s natural cooling 260?c 230?c min. 150?c 180?c time ( s ) rlf 12545 t- 2r7 n 8r7 - pf (1) (2) (3) (4) (5) (6) (7) 12545 12.5 12.8 4.5mm (l w t) t taping(reel) 2r7 2.7 h 100 10 h m20% n30% 8r7 8.7a pf lead-free compatible product packaging style quantity taping 500 pieces/reel conformity to rohs directive: this means that, in conformity with eu directive 2002/95/ec, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, pbb and pbde, have not been used, except for exempted applications.
(2/2) 002-04 / 20060927 / e532_rlf12545.fm all specifications are subject to change without notice. shapes and dimensions/recommended pc board pattern electrical characteristics ? rated current: value obtained when current flows and the temperature has risen to 40c or when dc current flows and the nominal value of inductance has fallen by 50%, whichever is smaller. typical electrical charcteristics inductance change vs. dc superposition characteristics inductance ( h) inductance tolerance test frequency l (khz) dc resistance (m ? )20% rated current(a)*max. part no. based on inductance change based on temperature rise 1.9 30% 100 3.6 13 10.5 rlf12545t-1r9n100-pf 2.7 30% 100 4.5 12 8.7 rlf12545t-2r7n8r7-pf 4.2 30% 100 7.4 9.5 6.5 rlf12545t-4r2n6r5-pf 5.6 30% 100 8.5 8 6.1 rlf12545t-5r6n6r1-pf 7.8 30% 100 10.2 7 5.4 RLF12545T-7R8N5R4-PF 10 20% 100 12.4 6 5.1 rlf12545t-100m5r1-pf 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 4.7max. 7.5 3.2 3.2 4 dimensions in mm dc current ( a ) 0.1 3 1 10 0.3 3 110 inductance ( h ) 2.7 h 4.2 h 5.6 h 7.8 h 10 h 1.9 h
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