Features n IEEE 802.3 Ethernet compatible n Compatible with 10G Base-T n PoE+ capable n Discrete transformers and common mode chip inductors for flexible PCB layout n Pairing common mode chip inductor SRF2012-900YA for EMI reduction n Expanded temperature range: -40 to +85 C n RoHS compliant* and halogen free** SM453230-121N7YP - 1 G0 bE Ciph -LAN Transformer Electrical Specifications 25 C How To Order Additional Information Inductance (Pin 1-2 & 6-7 / short 3-4) SM453230 - 121 - N7 Y P Click these links for more information: ..120 H min. 100 kHz, 0.1 V, 0 mA Model Turns Ratio Packaging Pin 1-2 : 6-7 / short 3-4 : 1:1 ....... 3 % 121 = Inductance code Insertion Loss Termination PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT 1-500 MHz ......................... -2.0 dB typ. N7 = Termination code LIBRARY ........................................-3.0 dB max. Tolerance Y = Tolerance code Capacitance (Pin 3-5 / short 3-4) .............................................21 pF typ. Interface P = PoE PoE+ ...........................................700 mA Hi-Pot (Pin 1-6, short 3-4) .....................................1500 Vac, 60 s Product Dimensions Operating Temperature .-40 C to +85 C Terminal Dimensions Top View Storage Temperature ....-40 C to +85 C 1.00 0.20 2.70 0.20 1.00 0.20 (.039 .008) (.106 .008) (.039 .008) Packaging Specifications 0.41 0.06 0.45 0.08 4 7 (.016 .002) Tape & Reel ..................... 2000 pcs./reel (.018 .003) 0.14 0.05 0.30 0.06 3 0.30 0.05 (.006 .002) (.012 .002) 0.48 0.10 (.012 .002) 6 (.019 .004) 0.80 0.16 (.031 .006) 0.75 0.16 1.44 0.20 (.030 .006) (.057 .008) 1.46 0.20 0.85 0.16 (.057 .008) (.033 .006) 3.30 0.20 (.130 .008) 0.32 0.06 2 (.013 .002) 0.61 0.10 5 0.23 0.04 0.41 0.06 (.024 .004) 1 (.009 .002) (.016 .002) 1.00 0.20 1.00 0.20 (.039 .008) (.039 .008) 4.7 0.2 (.185 .008) 4.70 0.2 (.185 .008) MM DIMENSIONS: (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com 3.30 0.2 (.130 .008) EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com 2.9 (.114) MAX. 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 is 900 ppm or less (b) 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. 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. *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 COMPLIANTSM453230-121N7YP - 10 GbE ChipLAN T- ransformer 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 Paste Stencil Aperture Recommendation 1.000 1.600 1.530 1.070 (.039) (.063) (.060) (.042) 0.400 (.016) 0.440 (.017) 0.865 0.450 (.034) (.018) 1.450 (.057) 0.950 (.037) 0.950 0.380 1.560 (.037) (.015) (.061) 0.450 (.018) 0.115 (.005) 0.500 0.320 MM (.020) DIMENSIONS: (.013) 1.060 1.540 1.550 1.050 (INCHES) (.042) (.061) (.061) (.041) 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.