(1/2) 001-02 / 20080822 / e531_vls4012.fm ? all specifications are subject to change without notice. smd inductors(coils) for power line(wound, magnetic shielded) vls series vls4012 features miniature size mount area: 4 4mm height: 1.2mm max. generic use for portable dc to dc converter line. high magnetic shield construction should actualize high resolution for emc protection. available for automatic mounting in tape and real package. the products do not contain lead and support lead-free soldering. applications dvcs, dscs, pdas, lcd displays, cellular phones, hdds, etc. 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 30%, whichever is smaller. operating temperature range: ?40 to +105c (including self-temperature rise) typical electrical characteristics inductance vs. dc superposition characteristics vls4012t-1r0n1r6 vls4012t-1r5n1r5 conformity to rohs directive 4.0 0.1 4.0 0.1 1.2max. dimensions in mm 1.3 1.4 1.3 4.0 dimensions in mm part no. inductance (h) inductance tolerance (%) test frequency (mhz) dc resistance ( ? ) rated current(a) ? based on inductance change based on temperature rise typ. max. typ. max. typ. vls4012t-1r0n1r6 1 30 1 0.06 0.05 2.5 2.8 1.6 vls4012t-1r5n1r5 1.5 30 1 0.072 0.06 2.1 2.3 1.5 vls4012t-2r2m1r4 2.2 20 1 0.084 0.07 1.7 1.9 1.4 vls4012t-3r3m1r2 3.3 20 1 0.102 0.085 1.4 1.6 1.2 vls4012t-4r7m1r1 4.7 20 1 0.132 0.11 1.2 1.4 1.1 vls4012t-6r8m1r0 6.8 20 1 0.156 0.13 1 1.2 1 vls4012t-100mr82 10 20 1 0.24 0.2 0.89 0.99 0.82 vls4012t-150mr65 15 20 1 0.372 0.31 0.7 0.78 0.65 vls4012t-220mr57 22 20 1 0.492 0.41 0.63 0.7 0.57 vls4012t-330mr44 33 20 1 0.816 0.68 0.47 0.53 0.44 VLS4012T-470MR39 47 20 1 1.02 0.85 0.41 0.46 0.39 0.0 0.2 0.4 0.6 0.8 1.2 1.0 0 500 1000 1500 2000 3000 2500 inductance ( h ) dc current ( ma ) 0.0 0.3 0.6 0.9 1.5 1.2 0 500 1000 1500 2000 2500 inductance ( h ) dc current ( ma ) 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) 001-02 / 20080822 / e531_vls4012.fm all specifications are subject to change without notice. typical electrical characteristics inductance vs. dc superposition characteristics vls4012t-2r2m1r4 vls4012t-3r3m1r2 vls4012t-4r7m1r1 vls4012t-6r8m1r0 vls4012t-100mr82 vls4012t-150mr65 vls4012t-220mr57 vls4012t-330mr44 VLS4012T-470MR39 test circuit 0.0 0.5 1.0 1.5 2.5 2.0 0 500 1000 1500 2000 inductance ( h ) dc current ( ma ) 0.0 1.0 2.0 3.0 4.0 0 600 300 900 1200 1500 1800 inductance ( h ) dc current ( ma ) 0.0 1.0 2.0 3.0 6.0 4.0 5.0 0 600 300 900 1200 1500 inductance ( h ) dc current ( ma ) 0.0 2.0 8.0 4.0 6.0 0 600 300 900 1200 inductance ( h ) dc current ( ma ) 0 2 12 4 6 8 10 0 600 400 200 800 1200 1000 inductance ( h ) dc current ( ma ) 0 20 5 10 15 0 600 400 200 100 500 300 700 900 800 inductance ( h ) dc current ( ma ) 0 25 20 5 10 15 0 600 400 200 800 inductance ( h ) dc current ( ma ) 0 40 10 20 30 0 500 400 200 100 300 600 inductance ( h ) dc current ( ma ) 0 50 40 10 20 30 0 400 200 100 300 500 inductance ( h ) dc current ( ma ) 1 2 a c=20,000 f l=0.1h 1: lcr meter 4285a f=1mhz 2: dc constant current sample
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