Choke Coils Power Choke Coil Series: PCC-D125H (NX2) Low profile, High power, Low loss ■ Features ● High power, high inductance (No saturation per formance limitation due to metal dust core) (17 A to 50 A/2.12 μH to 0.24 μH) ● Low loss due to low RDC (using flat wire) ● Low buzz noise due to its gap-less structure ● Surface mount, low profile (H) 4.9 mm×(L)13.0 mm×(W)12.9 mm ● RoHS compliant ■ Recommended Applications ● DC-DC converter for CPU in PCs ● Thin on-board power supply modules for servers ■ Standard Packing Quantity ● 500 pcs./Reel ■ Explanation of Part Numbers 1 2 3 4 & 5 2 1 Product Code 5 6 7 8 9 10 ) Classification Size 11 12 Packaging Suffix # Winding Core Inductance ■ Standard Parts Inductance (at 20 °C) ✽1 L1 Part No. (μH) Tolerance (%) L2 (Reference) Measurement current (A) (μH) Measurement current (A) Rated current (A) ✽2 DC resistance (at 20 °C) (mΩ) max. ETQP2H0R3BFA 0.29 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 ±20 (✽1) Inductance is measured at 100 kHz. (✽2) Rated current defines actual value of DC current, when temperature rise of coil becomes 40 K. Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 114 01 Oct. 2012 Choke Coils ■ Performance Characteristics (Reference) Case temperature vs DC Current Inductance vs DC Current 2R6BFA 1R8BFA 1R2BFA 0R7BFA 0R3BFA 200 150 @T (K) (μH) 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 &521)3#'" &521)3#'" &521)3#'" &521)03#'" &521)3#'" 100 50 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40(A) IDC (A) 0 0 5 10 15 20 25 IDC (A) 30 35 40 45 50 ■ Dimensions in mm (not to scale) /$ 9.0 4.9 max. (1.6) (1.2) ( ) : Reference value 13.0±0.3 (5.15) /$ 12.9±0.5 Marking (5.3) Type No.2 %BUF$PEF (1.2) 0.01 min. (f4.0) (2.1) 7.2 Clearance between the Terminal face and the core face ■ Connection 1 1 ■ Recommended Land Pattern in mm (not to scale) NC 2.2 P1 NC 6.4 10.2 P2 2.5 2.6 3.1 4.1 ■ Packaging Methods, Soldering Conditions and Safety Precautions (Power Choke Coils for Consumer use) Please see Data Files Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 115 01 Oct. 2012