PFC choke Product -List OTC-15 EMI FILTER OTC-17 EMI FILTER OTC-19 EMI FILTER OTC-21 EMI FILTER OTC-25 EMI FILTER OTC-27 EMI FILTER OTC-28 EMI FILTER OTC-33 EMI FILTER Download document OTC-15 OTC-17 OTC-19 OTC-21 OTC-25 OTC-27 OTC-29 OTC-33 Common mode choke Download Adobe Reader for pdf file New definition of Pf IEC 1000-3-2 (Harmonic level measurement) Class A,B,C,D Environmental Protection Solution Passive PFC (Current smoothly 71%) ClassD Active PFC (Current becomed M 95%) Class A Features & Merits of QP (It was born for PFC) A New design Quad Structure Core Very large section area Ae Very good for low profile design Excellent field shieding for EMI Field ground pin available Extreme ability for PFC Hum (LF sound) noise free Low cost and high performance 8 pins for wire winding 2 or 4 pins for field grounding Serials production plan QP-Werials Preliminary specification (Quad Pot core) Mechanic dimension unit:mm   QP-25 QP-29 QP-33 QP-39 A 25.0 29.0 33.0 39.0 B 19.0 20/25 20/25 20/25 P1 19.0 22.0 24.0 30.0 P2 23.0 27.0 30.0 36.0 D 25.0 29.0 33.0 39.0 Drill 1.2ψ 1.2ψ 1.2ψ 1.2ψ Ae mm2 108 156 200 265 PFC choke Suggesting application range Type Suggest using range Using Fan Application PF value QP2520 100~150W   CCM and DCM > 95% QP2920 150~200W   CCM and DCM > 95% QP2925 200~250W   CCM and DCM > 95% QP3320 300~350W   CCM and DCM > 95% QP3325 350~400W   CCM and DCM > 95% QP3920 400~450W   CCM and DCM > 95% QP3925 500W above 800W above CCM and DCM > 95% QP3930 500W above

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