TN25-15-10 FERROXCUBE | Alldatasheet

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Supersedes data of September 2004 2008 Sep 01 FERROXCUBE TN25/15/10 Ferrite toroids

2008 Sep 01 1683

Ferrite toroids TN25/15/10 RING CORES (TOROIDS) Effective core parameters Coating 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. 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. SYMBOL PARAMETER VALUE UNIT Σ(I/A) core factor (C1) 1.23 mm Ve effective volume 2944 mm 3 Ie effective length 60.2 mm Ae effective area 48.9 mm 2 m mass of core ≈ 15 g Fig.1 TN25/15/10 ring core. Dimensions in mm. handbook, halfpage /;/; /;/; /;/; /;/; CBW306 14.0 ±0.6 10.6 ±0.5 coating PA11(≈0.3) 25.8 ±0.7 Ring core data Properties of cores under power conditions GRADE AL (nH) µi TYPE NUMBER 3F3 1840 ± 25% ≈ 1800 TN25/15/10-3F3 3C90 2350 ± 25% ≈ 2300 TN25/15/10-3C90 3C11 4400 ± 25% ≈ 4300 TN25/15/10-3C11 3E25 5620 ± 25% ≈ 5500 TN25/15/10-3E25 GRADE B (mT) at CORE LOSS (W) at H = 250 A/m; f = 25 kHz; T = 100 °C f=2 5k H z ; =2 0 0m T ; T = 100 °C f = 100 kHz; = 100 mT; T = 100 °C f = 400 kHz; =5 0m T ; T = 100 °C 3C90 ≥320 ≤ 0.33 ≤ 0.33 − Bˆ Bˆ Bˆ

2008 Sep 01 1684

Ferrite toroids TN25/15/10 DATA SHEET STATUS DEFINITIONS 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 DATA SHEET STATUS PRODUCT STATUS DEFINITIONS Preliminary specification Development This data sheet contains prelimin ary 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. 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.