FERROXCUBE DATA SHEET P26/16/I P cores and accessories Supersedes data of September 2004 2008 Sep 01 Ferroxcube P cores and accessories P26/16/I CORE SETS Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.360 mm−1 Ve effective volume 4370 mm3 Ie effective length 39.6 mm Ae effective area 110 mm2 Amin minimum area 87.0 mm2 m mass of set ≈ 21 g 18 ± 0.4 handbook, halfpage 3.8 ± 0.6 11.3 ± 0.2 21.6 25.5 ± 0.4 ± 0.5 0.6 ± 0.13 11 16.2 +0.4/−0 ± 0.2 MGB581 Dimensions in mm. Fig.1 P26/16/I core set. Core sets for general purpose transformers and power applications Clamping force for AL measurements, 50 ±20 N. GRADE 3C81 3C91 3F3 µe TOTAL AIR GAP (µm) 250 ±3% ≈ 72 ≈ 660 P26/16/I-3C81-E250 315 ±3% ≈ 90 ≈ 500 P26/16/I-3C81-A315 AL (nH) 400 ±3% ≈ 115 ≈ 380 P26/16/I-3C81-A400 630 ±3% ≈ 180 ≈ 230 P26/16/I-3C81-A630 1000 ±3% ≈ 286 ≈ 130 P26/16/I-3C81-A1000 7000 ±25% ≈ 2010 ≈0 P26/16/I-3C81 7000 ±25% ≈ 2010 ≈0 P26/16/I-3C91 250 ±3% ≈ 72 ≈ 660 P26/16/I-3F3-E250 315 ±3% ≈ 90 ≈ 500 P26/16/I-3F3-A315 400 ±3% ≈ 115 ≈ 380 P26/16/I-3F3-A400 630 ±3% ≈ 180 ≈ 230 P26/16/I-3F3-A630 1000 ±3% ≈ 286 ≈ 130 P26/16/I-3F3-A1000 ≈ 1505 ≈0 5250 ±25% 2008 Sep 01 TYPE NUMBER 1004 P26/16/I-3F3 Ferroxcube P cores and accessories P26/16/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 ≤ 1.0 − − − 3C91 ≥315 − 3F3 ≥315 − GRADE ≤ ≤ 0.22(1) ≤ 0.48 − 1.6 (1) − ≤ 0.83 Note 1. Measured at 60 °C. BOBBINS AND ACCESSORIES Coil formers, winding data and mounting parts are equal to those of “P26/16”, but “area product” is different. Winding data and area product (for P26/16/I) for CP-P26/16 coil former NUMBER OF SECTIONS WINDING AREA (mm2) MINIMUM WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) AREA PRODUCT Ae x Aw (mm4) 1 37.1 9.3 52.6 4080 2 2 × 17.5 2 × 4.35 52.6 2 x 1925 CP-P26/16-2S 3 3 × 11 3 × 2.7 52.6 3 x 1210 CP-P26/16-3S TYPE NUMBER CP-P26/16-1S Winding data and area product (for P26/16/I) for 6-pins P26/16 coil former for PCB mounting NUMBER OF SECTIONS MINIMUM WINDING AREA (mm2) NOMINAL WINDING WIDTH (mm) AVERAGE LENGTH OF TURN (mm) MINIMUM LENGTH OF PINS (mm) AREA PRODUCT Ae x Aw (mm4) 1 36.7 9.7 52.7 4.4 4040 CPV-P26/16-1S-6PD 1 36.7 9.7 52.7 6.8 4040 CPV-P26/16-1S-6PDL 2 2 × 16.6 2 × 4.5 52.7 4.4 2 x 1830 CPV-P26/16-2S-6PD 2 2 × 16.6 2 × 4.5 52.7 6.8 2 x 1830 CPV-P26/16-2S-6PDL 3 3 × 10.3 3 × 2.8 52.7 4.4 3 x 1130 CPV-P26/16-3S-6PD(1) 3 3 × 10.3 3 × 2.8 52.7 6.8 3 x 1130 CPV-P26/16-3S-6PDL (1) Note 1. In accordance with “UL 94-HB” . 2008 Sep 01 1005 TYPE NUMBER Ferroxcube P cores and accessories P26/16/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 1006