surface mounts RL-7550-1 low dcr/ low profile ? low profile, great for applications when space is at a minimum ? enclosed in a rugged case to provide optimum pick and place operations ? high inductance / high current, ultra low profile inductor ? excellent as dc-dc converter used in notebook computers, smartphones, cell phones, step-up or step-down converters and flash memory features & applications description ? low profle smd inductor environmental data ? storage temperature range: -55c to +130c ? operating temperature range: -40c to +130c packaging information ? packaging information: pg. 490 smd inductors verify operation with sample in actual circuit. order samples at www.rencousa.com. top view side view recommended land pattern part number a (max.) b (max.) c 0.012 (0.3) d 0.012 (0.3) e 0.008 (0.2) f (max.) RL-7550-1 0.29 (7.30) 0.22 (5.50) 0.20 (5.00) 0.25 (6.40) 0.08 (2.00) 0.08 (2.00) mechanical dimensions u.s. standard (mm) part number part weight RL-7550-1 0.15g (0.005oz) g (ref.) h (ref.) i (ref.) 0.06 (1.60) 0.10 (2.50) 0.16 (4.00) a b c d e f h i g schematic st fn t oll fr ee engineering hot line: 800.645.5828 ? p: 321.637.1000 ? f: 321.637.1600 595 international place, rockledge, fl 32955-4200 usa ? www .r encousa.com ? iso 9001 certi?ed renco electronics inc.
surface mounts RL-7550-1 notes: 1. isat - dc current that will cause inductance to drop by 5% 2. irms - current that causes the temperature to rise approx. 40oc above ambient of 25oc 3. electrical specifications measured at 25oc 4. inductance tested at 100 khz, 0.1 vrms renco part no. RL-7550-1 inductance (h) dcr max. (ohms) isat (a) irms (a) srf (mhz) typ. RL-7550-1-1r0m 1.0 20% 0.040 2.50 2.30 230.0 RL-7550-1-1r5m 1.5 20% 0.060 2.20 2.10 180.0 RL-7550-1-2r2m 2.2 20% 0.070 1.80 1.70 140.0 RL-7550-1-3r3m 3.3 20% 0.100 1.40 1.30 110.0 RL-7550-1-4r7m 4.7 20% 0.120 1.20 1.10 100.0 RL-7550-1-6r8m 6.8 20% 0.190 1.10 1.00 80.0 RL-7550-1-100m 10.0 20% 0.260 1.00 0.90 60.0 t oll fr ee engineering hot line: 800.645.5828 ? p: 321.637.1000 ? f: 321.637.1600 595 international place, rockledge, fl 32955-4200 usa ? www .r encousa.com ? iso 9001 certi?ed renco electronics inc.
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