Features n IEEE 802.3 Ethernet compatible n Compatible with 1G/2.5G/5G BASE-T n Small size: 3.5 x 3.2 x 2.9 mm n Discrete transformers and common mode chokes for flexible PCB layout n Pairing common mode choke SRF2012A-801Y for EMI reduction n Expanded temperature range: -40 to +85 C n RoHS compliant* and halogen free** SM353230-181N7Y - 1 / 2.5 / 5 GbE Chip LAN Transformer Electrical Specifications 25 C Product Dimensions Inductance (Pin 1-2 & 6-7 / short 3-4) Terminal Dimensions Top View ..180 H min. 100 kHz, 0.1 V, 0 mA 0.745 0.20 2.01 0.20 0.745 0.20 Turns Ratio (.029 .008) (.079 .008) (.029 .008) Pin 1-2 : 6-7 / short 3-4 : 1:1 ....... 3 % 0.34 0.06 0.44 0.08 Insertion Loss (Pin 1-2) 4 7 (.013 .002) (.017 .003) 1-100 MHz ....................... -1.0 dB max. Capacitance (Pin 3-5 / short 3-4) 0.22 0.05 0.34 0.10 0.22 0.05 (.009 .002) ...........................................35 pF max. 3 (.013 .004) (.009 .002) 0.44 0.10 6 Hi-Pot (Pin 1 to 6, short 3-4) (.017 .004) 0.625 0.16 .....................................1500 Vac, 60 s (.025 .006) 0.605 0.16 Operating Temperature .-40 C to +85 C (.024 .006) Storage Temperature ....-40 C to +85 C 1.40 0.20 (.055 .008) Packaging Specifications 1.50 0.20 (.059 .008) 0.625 0.16 Tape & Reel ..................... 2000 pcs./reel (.025 .006) How To Order 3.20 0.20 0.34 0.06 2 (.126 .008) (.013 .002) SM353230 - 181 - N7Y Model 0.60 0.10 0.22 0.05 5 0.34 0.06 (.024 .004) (.009 .002) Packaging 1 (.013 .002) 181 = Inductance code 0.745 0.20 0.745 0.20 Termination (.029 .008) (.029 .008) N7 = Termination code Tolerance 3.50 0.20 (.138 .008) Y = Tolerance code 3.50 0.2 (.138 .008) 3.20 0.2 (.126 .008) Asia-Pacific: Tel: +886-2 2562-4117 2.9 Email: asiacus bourns.com (.114) EMEA: Tel: +36 88 885 877 MAX. Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 MM Email: americus bourns.com DIMENSIONS: (INCHES) 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. *RoHS COMPLIANT VERSIONS AVAILABLE *RoHS COMPLIANT LEAD FREE *RoHS and AEC-Q200 COMPLIANT LEAD FREE VERSIONS ARE *RoHS COMPLIANT and RoHS COMPLIANT* **HALOGEN FREE *RoHS COMPLIANT & AEC APPROVED *RoHS COMPLIANT, **HALOGEN FREE & AEC COMPLIANT SM353230-181N7Y - 1 / 2.5 / 5 GbE Chip LAN Transformer Recommended Layout 4.0 (.157) 0.73 1.27 1.15 0.85 0.36 (.029) (.050) (.045) (.033) (.014) 7 4 0.76 0.4 3.3 3 (.030) (.016) (.130) 1.24 6 0.82 (.049) 0.71 (.032) 0.36 1.57 (.028) (.014) (.062) 0.71 0.865 0.25 0.73 (.028) 1.66 (.034) (.010) (.029) (.065) 2 0.655 (.026) 5 1 1.39 0.4 (.055) 0.52 0.26 (.016) MM (.020) DIMENSIONS: (.010) (INCHES) 0.85 1.15 1.15 0.85 (.033) (.045) (.045) (.033) 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 0.730 1.270 1.150 0.850 0.050 (.029) (.050) (.045) (.033) 0.360 T (260 C / 10 Sec. Max.) (.002) P (.014) t (245 C, 20~40 Sec.) p 0.360 (.014) 0.820 0.500 217 C (.032) (.020) 1.520 200 C (.059) 60~150 Sec. 0.710 150C (.028) 0.730 0.250 60~180 1.610 (.029) Sec. (.010) (.063) 0.500 (.020) 480 Sec. Max. 0.050 25 (.002) 0.520 Time (Seconds) 0.260 (.020) Reflow Times: 3 Times Max. (.010) 0.850 1.150 1.150 0.850 (.033) (.045) (.045) (.033) 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)