t h r o u g h h o l e p o w e r i n d u c t o r s THXR1290 t ype mechanical dimension: rohs compliant. high current though hole type. magnetically shielded, suitable for hight density mounting. high energy storage and low dcr. ideal for power source circuits, dc-dc converter, dc-ac inverters inductor application. in addition to the standard versions shown here, customized inductors are available to meet your exact requirements. features 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 150 b a 6.30 / 0.248 5.70 / 0.224 2x g e d c f electrical characteristics : at 25 : 100khz, 1v o c 1. lo is the initial inductance and the tolerance is 20%. 2. isat is the dc current which cause the inductance drop 20% of its nominal inductance without current. o 3. irms is the dc current which cause the surface temperature of the part increase approximately 45 c. oo 4. operating temperature : -20 c to 105 c ( including self-temperature rise ). approximately recommended pad pa tterns unit : mm/inch a = 11.90 / 0.469 max.b = 11.90 / 0.469 max. c = 3.50 0.5 / 0.138 0.020 d = 9.00 / 0.354 max.e = 9.48 0.5 / 0.373 0.020 p a r t n o . i sa t (a d c) i rm s (a d c) d c r (m ) 8% 1 l 2 3 (u h ) f 0 .1 (m m /in ch ) f 0 .1 (m m /in ch ) THXR1290-r47 0.47 45.00 24.00 0.76 1.5 / 0.059 1.8 / 0.071 THXR1290-0r6 0.60 26.00 20.00 0.76 1.5 / 0.059 1.8 / 0.071 THXR1290-0r8 0.80 24.00 12.00 1.20 1.3 / 0.051 1.6 / 0.063 THXR1290-1r0 1.00 18.00 11.00 1.20 1.3 / 0.051 1.6 / 0.063 THXR1290-1r5 1.50 13.00 11.00 1.70 1.2 / 0.047 1.5 / 0.059 THXR1290-2r0 2.00 10.00 9.00 2.70 1.00 / 0.039 1.30 / 0.051 THXR1290-3r3 3.30 8.00 8.00 5.30 0.80 / 0.032 1.10 / 0.043 0.0 1.0 2.0 3.0 4.0 0 5 10 15 20 25 30 35 40 45 50 dc bias (a) i n d u c t a n c e ( u h )
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