(1/2) 001-06 / 20061024 / e531_VLF3010A.fm ? all specifications are subject to change without notice. smd inductors(coils) for power line(wound, magnetic shielded) vlf series VLF3010A features these are compact inductors for power line measuring at l2.6 w2.8mm and 1mm in height, considerably smaller compared to inductors with comparable characteristics. they feature low coil resistance, making them suitable for large currents (e.g. 0.7a at 0.24 ? ). they offer an excellent shielding effect. the products do not contain lead and support lead-free solder- ing. this product does not contain regulated substances that are slated to be included in rohs. applications for mobile phones, hard disk drives and dscs. shapes and dimensions recommended pc board pattern electrical characteristics ? rated current:the rated current is the smaller of the values given based on the rate of inductance change (30% decrease from th e initial value) or the temperature rise (temperature rise of 40c caused by the heat generated by the product itself). operating temperature range: ?40 to +105c (including self-temperature rise) conformity to rohs directive 4r7 1.0max. 2.8 0.2 2.6 0.2 dimensions in mm 3.4 2.1 1.2 dimensions in mm part no. inductance (h) inductance tolerance test frequency (khz) dc resistance( ? ) rated current ? (a) max. typ. based on inductance change max. based on temperature rise typ. VLF3010At-1r5n1r2 1.5 30% 100 0.078 0.068 1.2 1.5 VLF3010At-2r2m1r0 2.2 20% 100 0.12 0.10 1.0 1.2 VLF3010At-3r3mr87 3.3 20% 100 0.17 0.15 0.87 1.0 VLF3010At-4r7mr70 4.7 20% 100 0.28 0.24 0.70 0.82 VLF3010At-6r8mr61 6.8 20% 100 0.39 0.34 0.61 0.68 VLF3010At-100mr49 10.0 20% 100 0.67 0.58 0.49 0.52 VLF3010At-150mr40 15.0 20% 100 0.86 0.75 0.40 0.46 VLF3010At-220mr33 22.0 20% 100 1.5 1.3 0.33 0.35 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) 001-06 / 20061024 / e531_VLF3010A.fm all specifications are subject to change without notice. typical electrical characteristics inductance change vs. dc superposition characteristics impedance vs. frequency characteristics inductance vs. frequency characteristics q vs. frequency characteristics test equipment: yhp4194a impedance/gain-phase analyzer(10khz to 40mhz) test circuit 0 5 10 15 35 30 25 20 inductance ( h ) 4.7 h 22 h 0 0.2 0.4 0.6 0.8 0.1 0.3 0.5 0.7 dc current ( a ) 0.1 1 10 100 1000 10000 40 100 1000 10000 100000 frequency ( khz ) impedance ( ? ) 100000 2.2 h 4.7 h 10 h 22 h 0 80 60 40 20 70 50 30 10 40 100 1000 10000 100000 frequency ( khz ) inductance ( h ) 2.2 h 4.7 h 10 h 22 h 40 100 1000 10000 100000 frequency ( khz ) 0 50 40 30 20 10 q 2.2 h 4.7 h 10 h 22 h 1: lcr meter 4285a=100khz 2: dc constant current 1 2 a c=20,000 f l=0.1h sample
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