? all specifications are subject to change without notice. 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. wound type smd inductors(coils) for dc to dc converters ltf(closed magnetic circuit core) series type: issue date: ltf5022 november 2010
(1/4) 001-02 / 20101123 / e531_ltf.fm all specifications are subject to change without notice. smd inductors(coils) for power line(wound, magnetic shielded) lt f s e r i e s lt f 5 0 2 2 features miniature size mount area: 5.0 5.2mm low profile: 2.2mm max. height large dc current products. magnetic shielding type with ferrite core. available for automatic mounting in tape and real package. the products do not contain lead and support lead-free solder- ing. applications dvcs, dscs, pdas, hdds, lcd displays, cellular phones, cord- less telephones, 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) conformity to rohs directive 220 5.0 0.1 5.2 2.2max. dimensions in mm 6.2 3.2 1.5 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. ltf5022t-1r2n4r2-lc 1.2 30 100 0.025 0.021 4.3 4.2 ltf5022t-1r8n3r6-lc 1.8 30 100 0.032 0.028 3.6 3.8 ltf5022t-2r2n3r2-lc 2.2 30 100 0.040 0.036 3.2 3.4 ltf5022t-3r3n2r5-lc 3.3 30 100 0.060 0.054 2.5 2.7 ltf5022t-4r7n2r0-lc 4.7 30 100 0.081 0.073 2.0 2.3 LTF5022T-100M1R4-LC 10.0 20 100 0.16 0.14 1.4 1.7 ltf5022t-220mr98-lc 22.0 20 100 0.32 0.28 0.9 1.2 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.
(2/4) 001-02 / 20101123 / e531_ltf.fm all specifications are subject to change without notice. typical electrical characteristics inductance vs. frequency characteristics ltf5022t-1r2n4r2 ltf5022t-1r8n3r6 ltf5022t-2r2n3r2 ltf5022t-3r3n2r5 ltf5022t-4r7n2r0 ltf5022t-100m1r4 ltf5022t-220mr98 100 1000 10000 100000 0.5 0.7 0.9 1.1 1.5 1.3 frequency ( khz ) inductance ( h ) 100 1000 10000 100000 0.5 1.0 1.5 2.5 2.0 inductance ( h ) frequency ( khz ) 100 1000 10000 100000 1.0 1.5 2.0 2.5 3.0 inductance ( h ) frequency ( khz ) 100 1000 10000 100000 1 2 3 5 4 inductance ( h ) frequency ( khz ) 100 1000 10000 100000 2 4 6 8 inductance ( h ) frequency ( khz ) 100 1000 10000 100000 5 15 10 20 30 25 inductance ( h ) frequency ( khz ) 100 1000 10000 100000 0 60 40 20 80 100 inductance ( h ) frequency ( khz ) test equipment: yhp4194a impedance/gain-phase analyzer
(3/4) 001-02 / 20101123 / e531_ltf.fm all specifications are subject to change without notice. typical electrical characteristics impedance vs. frequency characteristics ltf5022t-1r2n4r2 ltf5022t-1r8n3r6 ltf5022t-2r2n3r2 ltf5022t-3r3n2r5 ltf5022t-4r7n2r0 ltf5022t-100m1r4 ltf5022t-220mr98 100 1000 10000 100000 1 10 100 1000 100000 10000 frequency ( khz ) impedance ( ? ) 100 1000 10000 100000 1 10 100 1000 100000 10000 impedance ( ? ) frequency ( khz ) 100 1000 10000 100000 1 10 100 1000 100000 10000 impedance ( ? ) frequency ( khz ) 100 1000 10000 100000 1 10 100 1000 100000 10000 impedance ( ? ) frequency ( khz ) 100 1000 10000 100000 1 10 100 1000 100000 10000 impedance ( ? ) frequency ( khz ) 100 1000 10000 100000 1 10 100 1000 100000 10000 impedance ( ? ) frequency ( khz ) 100 1000 10000 100000 1 10 100 1000 100000 10000 impedance ( ? ) frequency ( khz ) test equipment: yhp4194a impedance/gain-phase analyzer
(4/4) 001-02 / 20101123 / e531_ltf.fm all specifications are subject to change without notice. typical electrical characteristics inductance vs. dc superposition characteristics ltf5022t-1r2n4r2 ltf5022t-1r8n3r6 ltf5022t-2r2n3r2 ltf5022t-3r3n2r5 ltf5022t-4r7n2r0 ltf5022t-100m1r4 ltf5022t-220mr98 0.5 0.7 0.9 1.1 1.3 1.5 012345 inductance ( h ) dc current ( a ) 0.8 1.0 1.2 1.4 1.6 1.8 2.0 012345 inductance ( h ) dc current ( a ) 1.2 1.4 1.6 1.8 2.0 2.2 2.4 01234 inductance ( h ) dc current ( a ) 1.5 2.5 2.0 3.0 3.5 01234 inductance ( h ) dc current ( a ) 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 1.5 2 0.5 1 2.5 3 inductance ( h ) dc current ( a ) 4 6 8 10 12 0 0.5 1 1.5 2 2.5 inductance ( h ) dc current ( a ) 5 10 15 20 25 30 0 0.5 1 1.5 inductance ( h ) dc current ( a ) test equipment: hp4285a lcr meter(f=100khz) dc constant current source
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