? coilcraft, inc. 2009 specifications subject to change without notice. please check our website for latest information. combination line filter choke document 144-1 document 144-1 revised 05/08/09 this series of chokes is intended for use in ac line filters for switching power supplies. they combine common and differential mode filtering in a single component. by using these parts, designers can eliminate two extra filter chokes compared to a standard common mode choke. the unique combination of special windings and materials provides much better filtering performance than either a common mode choke or a single winding inductor alone. the differential filtering frequency response has been designed to provide filtering at higher frequencies while still allowing the ac line power to pass through without loss. this characteristic is demonstrated in the graph of differential mode attenuation. part comm on mode differential mode dcr max isolation current number l typ (mh) l typ (h) (ohms) (vrms) rating (a) P3717-A 25.0 1000 0.30 1500 3 q4007-a 4.5 150 0.06 1500 5 q4018-a 1.5 35 0.02 1500 10 1. operating temperature range -40 to +85c. 2. electrical specifications at 25c. common and differential mode this product is not rohs-compliant. contact coilcraft for current status or possible alternatives. weight: 100 ? 113 g packaging 30 per tray 8 8 5 1 41 1.00 25,4 0.900 22,86 0.053 1,35 0.002 0,05 1.55 39,4 max 1.75 44,5 max 1.30 33,0 max 0.150 3,81 0.03 0,76 8 5 41 0.09 2,28 1.00 25,40 0.900 22,86 recommended pc board layout 1 8 4 5
? coilcraft, inc. 2009 combination line filter choke specifications subject to change without notice. please check our website for latest information. document 144-2 document 144-2 revised 05/08/09 common mode attenuation typical response differential mode attenuation typical response 60 50 40 30 20 10 0 db atten uation (re: 50 ) 0.001 0.01 0.1 110 100 1000 10,000 frequency (khz) P3717-A q4007-a q4018-a
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