FERROXCUBE DATA SHEET P18/11/I P cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube P cores and accessories P18/11/I CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.560 mm−1 Ve effective volume 1270 mm3 Ie effective length 26.7 mm Ae effective area 47.5 mm2 Amin minimum area 37.5 mm2 m mass of set ≈7 g 13.4 ± 0.3 handbook, halfpage 7.4 3.8 ± 0.15 ± 0.6 15.1 17.9 ± 0.25 ± 0.3 0.5 ± 0.13 7.2 10.6 +0.4/−0 ± 0.15 MGB573 Dimensions in mm. Fig.1 P18/11/I core set. Core sets for general purpose transformers and power applications Clamping force for AL measurements, 30 ±10 N. GRADE 3C81 3C91 3F3 AL (nH) TYPE NUMBER 160 ±3% ≈ 72 ≈ 450 P18/11/I-3C81-A160 250 ±3% ≈ 112 ≈ 260 P18/11/I-3C81-A250 315 ±3% ≈ 141 ≈ 200 P18/11/I-3C81-A315 400 ±3% ≈ 179 ≈ 150 P18/11/I-3C81-A400 630 ±5% ≈ 282 ≈ 90 P18/11/I-3C81-A630 4200 ±25% ≈ 1880 ≈0 P18/11/I-3C81 4200 ±25% ≈ 1880 ≈0 P18/11/I-3C91 160 ±3% ≈ 72 ≈ 450 P18/11/I-3F3-A160 250 ±3% ≈ 112 ≈ 260 P18/11/I-3F3-A250 315 ±3% ≈ 141 ≈ 200 P18/11/I-3F3-A315 400 ±3% ≈ 179 ≈ 150 P18/11/I-3F3-A400 630 ±5% ≈ 282 ≈ 90 P18/11/I-3F3-A630 ≈ 1390 ≈0 3110 ±25% 2008 Sep 01 AIR GAP (µm) µe 976 P18/11/I-3F3 Ferroxcube P cores and accessories P18/11/I Properties of core sets under power conditions B (mT) at CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f = 25 kHz; ˆ = 200 mT; B T = 100 °C f = 100 kHz; ˆ = 100 mT; B T = 100 °C f = 100 kHz; ˆ = 200 mT; B T = 100 °C f = 400 kHz; ˆ = 50 mT; B T = 100 °C 3C81 ≥320 ≤ 0.3 − − − 3C91 ≥315 − 3F3 ≥315 − GRADE ≤ ≤ 0.08(1) − 0.5 (1) ≤ 0.14 − ≤ 0.24 Note 1. Measured at 60 °C. BOBBINS AND ACCESSORIES Coil formers, winding data and mounting parts are equal to those of “P18/11”, but “area product” is different. Winding data and area product (for P18/11/I) for CP-P18/11 coil former NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 17.1 5.7 36.6 812 CP-P18/11-1S 2 2 × 7.95 2 × 2.65 36.6 2 x 378 CP-P18/11-2S 3 3 × 4.95 3 × 1.6 36.6 3 x 235 CP-P18/11-3S TYPE NUMBER Winding data and area product (for P18/11/I) for 6-pins P18/11 coil former for PCB mounting NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) LENGTH OF PINS (mm) AREA PRODUCT Ae x Aw (mm4) 1 16.8 6.0 36.7 4.4 798 CPV-P18/11-1S-6PD 1 16.8 6.0 36.7 6.8 798 CPV-P18/11-1S-6PDL 2 2 × 7.61 2 × 2.8 36.7 4.4 2 x 361 CPV-P18/11-2S-6PD 2 2 × 7.61 2 × 2.8 36.7 6.8 2 x 361 CPV-P18/11-2S-6PDL 3 3 × 4.58 3 × 1.7 36.7 4.4 3 x 218 CPV-P18/11-3S-6PD 3 3 × 4.58 3 × 1.7 36.7 6.8 3 x 218 CPV-P18/11-3S-6PDL 2008 Sep 01 977 TYPE NUMBER Ferroxcube P cores and accessories P18/11/I DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS PRODUCT STATUS DEFINITIONS Preliminary specification Development This data sheet contains preliminary data. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. Product specification Production This data sheet contains final specifications. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. DISCLAIMER Life support applications These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube for any damages resulting from such application. PRODUCT STATUS DEFINITIONS STATUS INDICATION DEFINITION Prototype These are products that have been made as development samples for the purposes of technical evaluation only. The data for these types is provisional and is subject to change. Design-in These products are recommended for new designs. Preferred These products are recommended for use in current designs and are available via our sales channels. Support These products are not recommended for new designs and may not be available through all of our sales channels. Customers are advised to check for availability. 2008 Sep 01 978