? all specifications are subject to change without notice. (1/2) 0 02-03 / 2 00 1 0 91 3 / e 5 32_r l f 5018 . f m inductors rlf series rlf5018 type for power line smd this inductor is designed for power circuits that require a low pro- file, low inductance, and large current, such as those used in com- pact portable equipment. features rlf5018 type has been developed to expand the rlf series by acquiring a more compact and low-profile type. its low resis- tance feature contributes to power saving of portable devices (long-time driving of batteries). this inductor has a structural design for an automated produc- tion line, capable of responding to the requirements in delivery dates and prices. this product is a compact and low-profile type by adopting an optimum structural design of a core shape on a magnetic circuit. a rectangular wire is applied to increase a rate of wiring area for low resistance and a high current. this product can be delivered with embossed carrier taping so as to be available for the reflow soldering. completely lead-free product. applications dvcs, dscs, md players, portable terminals, mobile telephones, hdds, mp3 players, etc. specifications recommended reflow soldering conditions product identifications (1) series name (2) dimensions (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] rlf5018 ?40 to +105c ?40 to +105c 240 5?c 140 10?c 50?c time ( s ) 60 to 120s preheating 40s 120s min. 5s natural cooling 220 5?c t taping(reel) 4r7 4.7 h 100 10 h m 20% r94 0 .94a 1r4 1.4a packaging style type quantity taping rlf5018t 1000 pieces/reel rlf 5018 t- 100 m r94 (1) ( 2) (3) (4) (5) (6)
all specifications are subject to change without notice. (2/2) 0 02-03 / 2 00 1 0 9 13 / e 5 32_r l f 5018 . f m inductors rlf series rlf5018 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 25 c or when dc current flows and the initial value of inductance has fallen by 30%, whichever is smaller. test equipment inductance: impedance gain/phase analyzer 4194a, or equivalent dc resistance: milliohm meter vp-2941a matsushita, or equivalent typical electrical charcteristics inductance change vs. dc superposition characteristics 5.2 0.1 5.6 0.2 5.2 0.1 10 0 polarity marking ( winding start ) 3-c0.90 ? 1 ? 4 1.5 0.1 ( 1.3 )( 3.0 ) 2.05max. ( 0.1 ) weight: 0.21g dimensions in mm dimensions in mm 1.7 6.6 3.0 inductance ( h) inductance tolerance(%) test frequency l (khz) dc resistance(m ? ) rated current(a) ? part no. max. typ. based on inductance change based on temperature rise 1.5 20 100 25 20 2.4 max. 2.1 typ. rlf5018t-1r5m2r1 2.7 20 100 33 27 1.8 max. 1.8 typ. rlf5018t-2r7m1r8 3.9 20 100 40 32 1.5 max. 1.7 typ. rlf5018t-3r9m1r5 4.7 20 100 45 37 1.4 max. 1.6 typ. rlf5018t-4r7m1r4 6.8 20 100 56 47 1.1 max. 1.4 typ. RLF5018T-6R8M1R1 10 20 1 00 67 56 0.94 max. 1.3 typ. rlf5018t-100mr94 15 20 100 120 97 0.76 max. 1 typ. rlf5018t-150mr76 22 20 1 00 160 130 0.63 max. 0.86 typ. rlf5018t-220mr63 33 20 1 00 250 210 0.51 max. 0.68 typ. rlf5018t-330mr51 100 10 1 0.01 0.1 1.0 10.0 inductance ( h ) dc current ( a ) 33 h 22 h 6.8 h 4.7 h 15 h 10 h
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