? coilcraft, inc. 2006 specifications subject to change without notice. please check our website for latest information. smt power inductors - mlc series document 327-1 document 327-1 revised 11/11/05 the mlc series of flat wire power inductors offers ex- tremely low dc resistance and very high saturation current ratings (up to 37 amps). its compact size and magnetic shielding make it suitable for use in high-density boards. these inductors are ideal for power supply applications where high current handling is essential. they are perfect for use in vrd/vrm controllers. inductance is unaffected by ambient temperature up to +135c. the materials used in the unique design elimi- nate all thermal aging issues. custom inductance values are also possible. coilcraft designer?s kit c187 contains samples of all values shown. to order, contact coilcraft or purchase on- line at http://order.coilcraft.com . l 2 dcr height 20% 5% srf i sat 3 i rms 4 max part number 1 (h) (mohm) (mhz) (a) (a) (mm) 10.5 mm 12.0 mm body size mlc1265-361mx_ 0.36 0 .930 234 37.0 19.0 6.5 mlc1260-401mx_ 0.40 0 .930 228 35.5 19.8 6.1 mlc1255-421mx_ 0.42 0 .930 219 33.0 19.8 5.6 mlc1240-451mx_ 0.45 1.73 198 25.0 15.7 4.1 mlc1265-701mx_ 0.70 1.24 134 26.0 17.3 6.5 mlc1250-801mx_ 0.80 2.35 151 24.5 14.8 5.1 mlc1240-901mx_ 0.90 2.57 108 21.0 13.4 4.1 mlc1260-122mx_ 1.20 2.38 93 21.0 14.7 6.1 mlc1255-122mx_ 1.20 2.38 85 20.0 14.3 5.6 mlc1250-132mx_ 1.30 2.38 76 20.0 10.9 5.1 mlc1245-152mx_ 1.50 4.08 79 15.0 11.5 4.6 mlc1260-172mx_ 1.70 2.84 72 17.0 13.6 6.1 mlc1245-402mx_ 4.00 8.18 46 13.0 8.8 4.6 13.2 mm 15.0 mm body size mlc1565-501mx_ 0.50 0 .864 169 36.5 19.7 6.5 mlc1555-551mx_ 0.55 1.34 165 32.0 18.2 5.6 mlc1560-901mx_ 0.90 1.72 101 27.0 13.0 6.0 mlc1538-102mx_ 1.00 3.46 81 24.5 12.4 3.9 mlc1550-102mx_ 1.00 1.72 76 23.0 13.7 5.2 mlc1538-152mx_ 1.50 4.36 50 21.0 10.6 3.9 mlc1550-252mx_ 2.50 3.43 45 16.5 11.4 5.2 mlc1555-302mx_ 3.00 4.06 42 14.0 12.2 5.6 mlc1550-452mx_ 4.50 7.13 36 11.5 9.5 5.2 1. when ordering, please specify packaging code: mlc1550-452mx c packaging: c =7 machine-ready reel. eia-481 embossed plastic tape. b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter c instead. d =13 machine-ready reel. eia-481 embossed plastic tape. 2. inductance measured at 500 khz, 0.1 vrms, 0 adc using a coilcraft smd-a fixture in an agilent/hp 4284a lcr meter. 3. dc current at which the inductance drops 20% (typ) from its value without current. 4. average current for a 40c (max) rise above 25c ambient. 5. operating temperature range ? 40c to +135c. 6. electrical specifications at 25c.
? coilcraft, inc. 2006 smt power inductors - mlc series specifications subject to change without notice. please check our website for latest information. document 327-2 document 327-2 revised 01/27/05 typical l vs frequency 0.01 0.1 110 0.1 1 10 inductance (h) 0.01 0.1 110 frequency (mhz) mlc1538-152 mlc1550-452 mlc1555-551 mlc1265-361 mlc1538-102 0.1 1 0.1 1 10 inductance (h) 10 100 current (a) mlc1538-152 mlc1550-452 mlc1555-551 mlc1265-361 mlc1538-102 typical l vs current body a b c size max max max d e f g h 1240 12.0 10.5 4.1 1.8 2.3 4.0 4.0 3.5 1245 12.0 10.5 4.6 1.8 2.3 4.0 4.0 3.5 1250 12.0 10.5 5.1 1.8 2.3 4.0 4.0 3.5 1255 12.0 10.5 5.6 1.8 2.3 4.0 4.0 3.5 1260 12.0 10.5 6.1 1.8 2.3 4.0 4.0 3.5 1265 12.0 10.5 6.5 1.8 2.3 4.0 4.0 3.5 1538 15.0 13.2 3.9 2.4 3.3 5.0 5.4 4.1 1550 15.0 13.2 5.2 2.4 3.3 5.0 5.4 4.1 1555 15.0 13.2 5.6 2.4 3.3 5.0 5.4 4.1 1560 15.0 13.2 6.0 2.4 3.3 5.0 5.4 4.1 1565 15.0 13.2 6.5 2.4 3.3 5.0 5.4 4.1 all dimensions are in mm. a b d c e f g f h recommended land pattern xxx dimensions t emperature rise vs current 80 70 60 50 40 30 20 0 10 temperature rise (from 25c) current (a rms) 5 01520 10 25 30 mlc1265-361 mlc1555-551 mlc1538-102 mlc1538-152 mlc1550-452 tape and reel mlc1240 250/7 reel; 900/13 reel 24 mm tape width mlc1245 200/7 reel; 800/13 reel 24 mm tape width mlc1250 200/7 reel; 700/13 reel 24 mm tape width mlc1255 200/7 reel; 700/13 reel 24 mm tape width mlc1260 175/7 reel; 600/13 reel 24 mm tape width mlc1265 150/7 reel; 600/13 reel 24 mm tape width mlc1538 200/7 reel; 800/13 reel 24 mm tape width mlc1550 150/7 reel; 600/13 reel 24 mm tape width mlc1555 150/7 reel; 500/13 reel 24 mm tape width mlc1560 150/7 reel; 500/13 reel 24 mm tape width mlc1565 125/7 reel; 500/13 reel 24 mm tape width for packaging data see tape and reel specifications section. inductance vs current is unaffected by ambient temperature up to 135c. terminations: tin/silver over copper
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