s m t p o w e r i n d u c t o r ( m o l d i n g t y p e ) mpt420m1 t ype rohs compliant. low profile , high current smd type. magnetically shielded, suitable for high density mounting. high energy storage and low dcr. ideal for power source circuits, dc-dc converter, dc-ac inverters inductor applications. features 1. all test data is referenced to 25 2. isat is the dc current which cause the inductance drop 30% typical of its nominal inductance without current. 3. ir is the dc current which cause the surface temperature of the part increase less than 40 o c ambient. o c. oo 4. operating temperature range : -55 c to 125 c. electrical characteristics: 25 : 100khz, 0.25v o c mechanical dimension: recommended pad pa tterns unit : mm/inch a = 4.50 / 0.177 max. b = 4.30 / 0.169 max. c = 1.50 0.30 / 0.059 0.012 d = 2.00 / 0.079 max. e = 0~0.15 / 0~0.006 f = 0.80 0.30 / 0.031 0.012 g = 5.20 / 0.205 h = 2.20 / 0.087 i = 2.50 / 0.098 h g i b a f d c e part no. (u h ) l0 d c r (m ) ty p . d c r (m ) m a x . 2 is at (a d c) 3 ir (a d c) mpt420 - r10m1 0.10 4.5 5.0 30.0 11.0 mpt420 - r22m1 0.22 7.3 8.0 17.0 9.0 mpt420 - r47m1 0.47 14.0 15.5 11.5 6.0 mpt420 - 1r0m1 1.00 32.0 36.0 8.5 3.8 delt a electronics, inc. (taoyuan plant cpbg) 252, san ying road, kueisan industrial zone, taoyuan shien, 333, taiwan, r .o.c. tel: 886-3-3591968; fax: 886-3-3591991http://www.deltaww .com 142
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