Features n IEEE 802.3 Ethernet compatible n Compatible with 10G BASE-T n Discrete transformers and common mode chokes for flexible PCB layout n Pairing common mode choke SRF2012-900YA for EMI reduction n Expanded temperature range: -40 to +85 C n RoHS compliant* and halogen free** SM453230-121N7Y - 10 GbE Chip LAN Transformer Additional Information Product Dimensions Click these links for more information: Terminal Dimensions Top View 1.00 0.20 2.70 0.20 1.00 0.20 (.039 .008) (.106 .008) (.039 .008) 0.32 0.06 0.40 0.08 4 7 (.013 .002) (.016 .003) PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT LIBRARY 0.18 0.05 0.36 0.06 3 0.28 0.05 (.007 .002) (.014 .002) 0.52 0.10 (.011 .002) 6 Electrical Specifications 25 C (.020 .004) 0.85 0.16 (.033 .006) Inductance (Pin 1-2 & 6-7 / short 3-4) 0.80 0.16 1.42 0.20 ..120 H min. 100 kHz, 0.1 V, 0 mA (.031 .006) (.056 .008) 1.42 0.20 Turns Ratio 0.85 0.16 (.056 .008) (.033 .006) Pin 1-2 : 6-7 / short 3-4 : 1:1 ....... 3 % 3.22 0.20 (.127 .008) Insertion Loss (Pin 1-2) 0.38 0.06 2 (.015 .002) 1-500 MHz ........................ -2.0 dB Typ.......................................-3.0 dB max. 0.60 0.10 5 0.24 0.04 0.32 0.06 (.024 .004) 1 Capacitance (Pin 3-5 / short 3-4) (.009 .002) (.013 .002) ............................................21 pF Typ. 1.00 0.20 1.00 0.20 Hi-Pot (Pin 1-6, short 3-4) (.039 .008) (.039 .008) .....................................1500 Vac, 60 s 4.7 0.20 Operating Temperature .-40 C to +85 C (.185 .008) Storage Temperature ....-40 C to +85 C Packaging Specifications 4.70 0.2 Tape & Reel ..................... 2000 pcs./reel (.185 .008) How To Order SM453230 - 121 - N7Y 3.22 0.2 Model (.127 .008) Packaging 121 = Inductance code Termination N7 = Termination code Tolerance Y = Tolerance code 2.9 (.114) MAX. Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com MM DIMENSIONS: EMEA: Tel: +36 88 885 877 (INCHES) Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content or isless 900 (b) ppm the Chlorine (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. products d eTshceribed herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. SM453230-121N7Y - 10 GbE Chip LAN Transformer Recommended Layout 5.0 (.197) 0.9 1.60 1.53 0.97 0.33 (.035) (.063) (.060) (.038) (.013) 7 4 0.785 0.45 3.23 3 (.031) (.018) (.127) 1.23 6 0.77 (.048) 0.665 (.030) 0.34 1.54 (.026) (.013) (.061) 0.85 0.835 0.28 0.85 (.033) 1.61 (.033) (.011) (.033) (.063) 2 0.645 (.025) 5 1 1.365 0.37 (.054) 0.50 MM 0.27 (.015) (.020) DIMENSIONS: (.011) (INCHES) 0.96 1.54 1.55 0.95 (.038) (.061) (.061) (.037) Electrical Schematic 7 1 6 4 6 3 4 5 3 2 5 2 7 1 Solder Profile Solder Paste Stencil Aperture Recommendation Preheating Soldering Natural Cooling 1.000 1.600 1.530 1.070 (.039) (.063) (.060) (.042) 0.400 T (260 C / 10 Sec. Max.) P (.016) t (245 C, 20~40 Sec.) p 0.440 (.017) 0.865 0.450 217 C (.034) (.018) 1.450 200 C (.057) 60~150 Sec. 0.950 150C (.037) 0.950 0.380 60~180 (.037) 1.560 (.015) Sec. 0.450 (.061) (.018) 480 Sec. Max. 0.115 25 (.005) Time (Seconds) 0.500 0.320 (.020) Reflow Times: 3 Times Max. (.013) 1.060 1.540 1.550 1.050 (.042) (.061) (.061) (.041) MM DIMENSIONS: (INCHES) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Temperature (C)