FERROXCUBE DATA SHEET P11/7/I P cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube P cores and accessories P11/7/I CORE SETS Effective core parameters SYMBOL PARAMETER VALUE Σ(I/A) core factor (C1) 0.860 mm−1 Ve effective volume 309 mm3 Ie effective length 16.3 mm Ae effective area 19.0 mm2 Amin minimum area 13.7 mm2 m mass of set ≈ 1.9 g 6.8 ± 0.25 handbook, halfpage UNIT 9.2 ± 0.2 4.6 2.2 ± 0.1 ± 0.3 11.1 ± 0.2 4.45 6.6 +0.3/−0 ± 0.15 MGB569 Dimensions in mm. Fig.1 P11/7/I core set. Core sets for general purpose transformers and power applications Clamping force for AL measurements, 10 ±5 N. GRADE 3C81 3C91 3F3 2008 Sep 01 AL (nH) AIR GAP (µm) µe TYPE NUMBER 63 ±3% ≈ 43 ≈ 500 P11/7/I-3C81-A63 100 ±3% ≈ 68 ≈ 290 P11/7/I-3C81-A100 160 ±3% ≈ 109 ≈ 170 P11/7/I-3C81-A160 250 ±5% ≈ 171 ≈ 100 P11/7/I-3C81-A250 315 ±5% ≈ 215 ≈ 75 P11/7/I-3C81-A315 2100 ±25% ≈ 1430 ≈0 2100 ±25% P11/7/I-3C81 ≈ 1430 ≈0 63 ±3% ≈ 43 ≈ 500 P11/7/I-3F3-A63 100 ±3% ≈ 68 ≈ 290 P11/7/I-3F3-A100 P11/7/I-3C91 160 ±3% ≈ 109 ≈ 170 P11/7/I-3F3-A160 250 ±5% ≈ 171 ≈ 100 P11/7/I-3F3-A250 315 ±5% ≈ 215 ≈ 75 P11/7/I-3F3-A315 1750 ±25% ≈ 1195 ≈0 945 P11/7/I-3F3 Ferroxcube P cores and accessories P11/7/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 3C81 ≥320 ≤ 0.07 − − − 3C91 ≥315 − ≤ 0.016 (1) ≤ 0.12(1) − 3F3 ≥315 − ≤ 0.04 − ≤ 0.06 GRADE 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 Note 1. Measured at 60 °C. BOBBINS AND ACCESSORIES Coil formers, winding data and mounting parts are equal to those of “P11/7”, but “area product” is different. Winding data and area product (for P11/7/I) for CP-P11/7-1S coil former NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 4.8 3.1 22.6 91.2 TYPE NUMBER CP-P11/7-1S Winding data and area product (for P11/7/I) for CP-P11/7-A coil former NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) TYPE NUMBER 1 4.77 3.42 22.7 90.6 CP-P11/7-1S-A 2 2 × 2.00 2 × 1.52 22.7 2 x 38.0 CP-P11/7-2S-A 3 3 × 1.16 3 × 0.91 22.7 3 x 22.0 CP-P11/7-3S-A 2008 Sep 01 946 Ferroxcube P cores and accessories P11/7/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 01 947