FERROXCUBE DATA SHEET TN32/19/13 Ferrite toroids Supersedes data of September 2004 2008 Sep 01 Ferroxcube Ferrite toroids TN32/19/13 RING CORES (TOROIDS) Effective core parameters SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 0.99 mm−1 Ve effective volume 5820 mm3 Ie effective length 76 mm Ae effective area 76.5 mm2 m mass of core ≈29 g 32.2 ±0.8 handbook, halfpage Coating ;; ;; ;;;; 18.1 ±0.6 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. (≈0.3) coating PA11 13 ±0.5 CBW302 Isolation voltage 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. Dimensions in mm. Fig.1 TN32/19/13 ring core. Ring core data GRADE AL (nH) µi TYPE NUMBER 885 ± 25% ≈ 700(1) TN32/19/13-4A11 3F3 2 270 ± 25% ≈ 1800 TN32/19/13-3F3 3C90 2910 ± 25% ≈ 2300 TN32/19/13-3C90 3C11 5450 ± 25% ≈ 4300 TN32/19/13-3C11 3E25 6950 ± 25% ≈ 5500 TN32/19/13-3E25 4A11 1. Old permeability specification maintained. Properties of cores 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 3C90 ≥320 ≤ 0.65 ≤ 0.65 − 3F3 ≥320 − ≤ 0.64 ≤ 1.1 GRADE 2008 Sep 01 1716 f = 400 kHz; ˆ = 50 mT; B T = 100 °C Ferroxcube Ferrite toroids TN32/19/13 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 1717