FERROXCUBE DATA SHEET TN23/14/7.5 Gapped ferrite toroids Supersedes data of September 2004 2008 Sep 01 Ferroxcube Gapped ferrite toroids TN23/14/7.5 RING CORES (TOROIDS) Effective core parameters SYMBOL 24.0 ± 0.7 PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 1.69 mm−1 Ve effective volume 1845 mm3 Ie effective length 55.8 mm Ae effective area 33.1 mm2 m mass of core ≈ 9.0 g 13.0 ± 0.6 Coating (≈0.3) coating PA11 The cores are coated with polyamide 11 (PA11), flame retardant in accordance with “UL 94V-2”; UL file number E 45228 (M). The colour is white. Maximum operating temperature is 160 °C. 8.1 ± 0.45 MFP042 Dimensions in mm. Isolation voltage Fig.1 TN23/14/7.5 ring core. DC isolation voltage: 2000 V. Contacts are applied on the edge of the ring core, which is also the critical point for the winding operation. Ring core data GRADE 3C20 AL(1) (nH) µe TYPE NUMBER 65 ± 15% ≈ 90 TN23/7.5-3C20-A65 90 ± 15% ≈ 125 TN23/7.5-3C20-A90 106 ± 15% ≈ 147 TN23/7.5-3C20-A106 115 ± 15% ≈ 160 TN23/7.5-3C20-A115 124 ± 15% ≈ 173 TN23/7.5-3C20-A124 Note 1. Winding equally distributed over the circumference. Properties of cores under power conditions B (mT) at GRADE 3C20 2008 Sep 01 CORE LOSS (W) at H = 1200 A/m; f = 10 kHz; T = 100 °C f = 100 kHz; ˆ = 100 mT; B T = 100 °C ∼ 400 ≤ 0.16 1488 f = 100 kHz; ˆ = 200 mT; B T = 100 °C ≤ 1.1 Ferroxcube Gapped ferrite toroids TN23/14/7.5 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 1489