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 features small type (11.5 10.0 h4.0 mm) high power (21 a to 28 a) low loss (r dc :0.7 to 1.56 m ) tighter dcr tolerance ( 5 % to 10 % ) suitable for high frequency circuit (up to 1 mhz) low buzz noise due to its gap-less structure rohs compliant standard packing quantity (minimum quantity/packing unit) 2000 pcs./box (2 reel) power choke coil series: pcc-m104l (mc) small mounting size for multi-phase dc-dc converter circuits standard parts part no. inductance (at 20 c) ? 1 rated current (a) ? 2 dc resistance (at 20 c) (m ) l0 at 0a l1 l2 (reference) (h) (h) measurement current (a) (h) measurement current (a) ETQP4LR19WFC (0.20) 0.1920 % 21 (0.17) 30 28 0.70 10 % etqp4lr36wfc (0.37) 0.3620 % 17 (0.34) 24 24 1.10 5 % etqp4lr56wfc (0.60) 0.5620 % 15 (0.53) 21 21 1.56 5 % etqp4lr45xfc 0.45+20/C25 % (0.38) 25 25 1.10 5 % ( ? 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. recommended applications servers, routers, dc-dc converters for driving cpus notebook pc power supply modules dec. 2013 03 8 5
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 p2 p1 11.5 max. 4.0 max. 0.01 min. 10.00.3 2.5 4.00.2 p1 p2 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 2 4 6 8 1012141618202224262830 (a) (uh) & 5 2 1 - 3 8 ' $ & 5 2 1 - 3 8 ' $ & 5 2 1 - 3 8 ' $ & 5 2 1 - 3 9 ' $ 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 idc (a) temp. rise (k) & 5 2 1 - 3 8 ' $ & 5 2 1 - 3 8 ' $ & 5 2 1 - 3 9 ' $ & 5 2 1 - 3 8 ' $ 3.8 6.0 3.8 4.6 performance characteristics (ref er ence) dimensions in mm (not to scale) connection recommended land pattern in mm (not to scale) inductance vs dc current case t emperature vs dc current packaging methods, soldering conditions and safety precautions (power choke coils for consumer use) please see data files dec. 2013 03 8 6
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