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| 4300 Series Dual Winding Toroidal Surface Mount Inductors SELECTION GUIDE Order Code 43212C 43402C Inductance DC DC (100kHz, Current2 Resistance 0.1VAC)1 15% Max. Max. H A m 2.10 4.00 21 22.4 2.22 3.10 SRF Min. MHz 106 69 Package Dimensions (Max.) A B mm mm Pad Dimensions C mm D mm Carrier Tape Package Dimensions Weight E mm F mm 10.3 10.6 Typ. g 7.4 12.5 20.30 23.10 11.18 20.57 32.0 25.40 28.20 15.75 25.65 36.0 FEATURES RoHS compliant Toroidal construction minimizes EMI Compact size Surface mount UL94 V-0 package materials Pick & place compatible J-STD-020C reflow Backward compatible with Sn/Pb soldering systems ABSOLUTE MAXIMUM RATINGS Isolation voltage (flash tested for 1 second), pins 1 & 2 Operating temperature range Storage temperature range 500VDC -40C to +125C -40C to +130C SOLDERING INFORMATION3 Peak reflow temperature Pin finish Moisture sensitivity level 245C Pure tin dip 1 PACKAGING INFORMATION 43212C 43402C 160 per reel 20 per box Tape & Reel (add suffix -R to part No. e.g. 43212C-R) 180 per reel 35 per box DESCRIPTION The 4300 series is a range of surface mount dual-winding toroidal inductors designed for use in switching power supplies and DC/DC converters. These devices can also be used as common-mode chokes, as the windings have a 1:1 ratio. They are ideal for applications requiring low profile compact components in a surface mount package. Box All specifications typical at TA=25C 1 When connecting windings in series, inductance will be 4 times the figure shown. 2 With windings connected in parallel. Maximum DC current occurs when the temperature rise reaches 55C. 3 For further information, please visit www.murata-ps.com/rohs For full details go to www.murata-ps.com/rohs www.murata-ps.com Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 KMP_4300C_A01 Page 1 of 3 4300 Series Dual Winding Toroidal Surface Mount Inductors INDUCTANCE Vs CURRENT 10 Inductance, L (H) 43402C 43212C 1 0.001 0.01 0.1 1 10 100 Current, IDC (A) TEMPERATURE Vs CURRENT 60 Temperature rise above ambient, t (C) 43402C 50 43212C 40 30 20 10 0 0 2 4 6 8 10 12 14 16 18 20 Current, IDC (A) INDUCTANCE Vs FREQUENCY 10 Inductance, L (H) 43402C 43212C 1 10 100 1000 10000 Frequency, (kHz) www.murata-ps.com Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 KMP_4300C_A01 Page 2 of 3 4300 Series Dual Winding Toroidal Surface Mount Inductors PACKAGE SPECIFICATIONS MECHANICAL DIMENSIONS See Selection Guide for dimensions. RECOMMENDED FOOTPRINT DETAILS See Selection Guide for dimensions. 2.03 (0.080) B C 1 A 4 43212C XYYWW 7.6 (0.30) 2 3 D All dimensions in mm (inches). 9.91 (0.39) Max. SCHEMATIC 2 1 4 3 TAPE & REEL SPECIFICATIONS TAPE OUTLINE DIMENSIONS See Selection Guide for dimensions. 4.0 (0.157) E F 44 (1.73) 43212C XYYWW All dimensions in mm (inches). See Selection Guide for package quantities. USA: UK: France: Japan: Mansfield (MA), Tel: (800) 233 2765, email: sales@murata-ps.com Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Website: www.murata-ps.jp Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com Canada: Toronto, Tel: (866) 740 1232, email: toronto@murata-ps.com Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com ISO 9001 REGISTERED Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. (c) 2008 Murata Power Solutions, Inc. Germany: Munchen, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com China: www.murata-ps.com Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232 KMP_4300C_A01 Page 3 of 3 |
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