Choke Coils Power Choke Coil Series: PCC-D125H (NX2) Low pro le, 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 H to 0.24 H) Low loss due to low R (using at wire) DC 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 Recommended Applications DC-DC converter for CPU in PCs Thin on-board power supply modules for serv ers Standard Packing Quantity 500 pcs./Reel Explanation of Part Numbers 12 3 456789 10 11 12 & 5 2 1) Product Code Classication Size Winding Inductance Core Packaging Sufx Standard Parts 1 Inductance (at 20 C) Rated DC resistance L1 L2 (Reference) Part No. current (at 20 C) Measurement Measurement 2 Tolerance (A) (m) max. (H) current (H) current (%) (A) (A) ETQP2H0R3BFA 0.29 36 0.24 50 36 0.54 ETQP2H0R7BFA 0.69 21 0.59 29 21 1.30 ETQP2H1R2BFA 1.22 20 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. 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. 01 Oct. 2012Choke Coils Performance Characteristics (Reference) Case temperature vs DC Current Inductance vs DC Current &521 ) 3 &521 ) 3 &521 ) 3 2R6BFA &521 )03 (H) 1R8BFA &521 ) 3 200 3.60 1R2BFA 3.40 0R7BFA 3.20 3.00 0R3BFA 2.80 2.60 150 2.40 2.20 2.00 1.80 1.60 100 1.40 1.20 1.00 0.80 0.60 50 0.40 0.20 0.00 0 2 4 6 8 10 12 14 16 18 20 22 2426 2830 32 34 363840(A) IDC (A) 0 0 5 10 15 20 25 30 35 40 45 50 IDC (A) Dimensions in mm (not to scale) : Reference value ( ) 13.00.3 / 9.0 4.9 max. (1.6) / Marking Type No.2 %BUF PEF (f4.0) (2.1) 7.2 Clearance between the Terminal 1 1 face and the core face Connection Recommended Land Pattern in mm (not to scale) 2.6 6.4 P2 NC P1 NC 3.1 4.1 Packaging Methods, Soldering Conditions and Safety Precautions (Power Choke Coils for Consumer use) Please see Data Files 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. 01 Oct. 2012 12.90.5 0.01 min. T (K) 2.5 10.2 2.2 (1.2) (1.2) (5.3) (5.15)