design and speci cations are each subject to change without notice. ask factory for the current technical speci cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. choke coils & 12 2 3 1 ) # 456789 product code inductance classi?cation 10 11 12 suf?x packaging core winding size 5 explanation of part numbers recommended applications dc-dc converter for cpu in pcs thin on-board power supply modules for serv ers features high power, high inductance (no saturation per for mance limitation due to metal dust core) (17 a to 50 a/2.12 h to 0.24 h) low loss due to low r dc (using ? at wire) low buzz noise due to its gap-less structure surface mount, low pro? le (h) 4.9 mm (l)13.0 mm (w)12.9 mm rohs compliant standard packing quantity 500 pcs./reel low pro? le, high power, low loss power choke coil series: pcc-d125h (nx2) standard parts part no. inductance (at 20 c) ? 1 rated current (a) ? 2 dc resistance (at 20 c) (m ) max. l1 l 2 (reference) (h) tolerance (%) measurement current (a) (h) measurement current (a) etqp2h0r3bfa 0.29 20 36 0.24 50 36 0.54 etqp2h0r7bfa 0.69 21 0.59 29 21 1.30 etqp2h1r2bfa 1.22 16 1.04 22 16 2.27 ETQP2H1R8BFA 1.83 14 1.49 20 14 3.48 etqp2h2r6bfa 2.61 12 2.12 17 12 4.98 ( ? 1) inductance is measured at 100 khz. ( ? 2) rated current de? nes actual value of dc current, when temperature rise of coil becomes 40 k. oct. 2012 01 1 1 4
design and speci cations are each subject to change without notice. ask factory for the current technical speci cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. choke coils 0 5 10 15 i dc (a) 20 25 30 35 40 45 50 200 150 100 50 0 @t (k) & 5 2 1 ) 3 # ' " & 5 2 1 ) 3 # ' " & 5 2 1 ) 3 # ' " & 5 2 1 ) 0 3 # ' " & 5 2 1 ) 3 # ' " % b u f $ p e f 13.00.3 4.9 max. (1.6) (f4.0) (2.1) (1.2) (5.3) (5.15) (1.2) 7.2 9.0 / $ 1 1 / $ 12.90.5 0.01 min. ( ) marking type no.2 clearance between the terminal face and the core face : reference value 0 2 4 6 8 10121416182022 24262830 3840 32 34 36 3.60 3.40 3.20 3.00 2.80 2.60 2.40 2.20 2.00 1.80 1.60 1.40 1.20 1.00 0.80 0.60 0.40 0.20 0.00 i dc (a) 2r6bfa 1r8bfa 1r2bfa 0r7bfa 0r3bfa (a) (h) p2 nc nc p1 4.13.1 10.2 2.5 2.2 6.4 2.6 performance characteristics (reference) dimensions in mm (not to scale) connection recommended land pattern in mm (not to scale) case temperature vs dc current in ductance vs dc current packaging methods, soldering conditions and safety precautions (power choke coils for consumer use) please see data files oct. 2012 01 1 1 5
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