12.80 0.25 (0.504 0.010) 8.89 0.25 (0.350 0.010) YYWW 9.50 0.25 6.90 0.25 (0.374 0.010) (0.272 0.010) SM91074AL PIN 1 1.27 0.13 (0.05 0.005) COPLANARITY 0.10 (0.004) MAX. 5.65 0.25 Features (0.222 0.010) n Designed to meet IEEE 802.3u (100 Base-T) n Expanded temperature range: -40 to +125 C 0.46 0.10 0.13 MIN. (0.005) (0.018 0.004) n RoHS compliant* and halogen free** n AEC-Q200 compliant 0.30 0.10 0 ~8 (0.012 0.004) 0.70 0.15 (0.028 0.006) SM91074AL - 10/100 Base-T Transformer Product Dimensions Recommended Layout Electrical Specifications 25 C 12.80 0.25 OCL (100 kHz, 0.1 V, 8 mA DC Bias) 8.89 (0.504 0.010) (0.350) ........................................ 350 H Min. 8.89 0.25 TYP. Leakage Inductance (100 kHz, 0.1 V) (0.350 0.010) TD with TX Shorted ......... 0.5 H Max. RD with RX Shorted ........ 0.5 H Max. 10.50 TYP. Turns Ratio 7.10 YYWW (0.413) TYP. 9.50 0.25 6.90 0.25 (0.280) TD : TX ............................. 1 : 1 (2 %) (0.374 0.010) (0.272 0.010) SM91074AL RD : RX ............................ 1 : 1 (2 %) DCR TD & RD ........................ 1.0 ohm Max. PIN 1 1.27 0.13 0.76 1.27 TX & RX ........................ 1.4 ohm Max. TYP. TYP. (0.05 0.005) (0.030) (0.05) Insertion Loss (TD to TX & RD to RX) COPLANARITY 0.10 1-100 MHz .......................-1.1 dB Max. MM (0.004) DIMENSIONS: (INCHES) Return Loss (TD to TX & RD to RX MAX. 5.65 0.25 with 100 ohm load) (0.222 0.010) 1-40 MHz ...........................-16 dB Min. How To Order 40-100 MHz 0.46 0.10 0.13 MIN. SM91074 A L - E (0.018 0.004) ........... -10+20*log (f/80 MHz) dB Min. (0.005) Model Cross Talk (Between Each Channel) AEC-Q200 Compliant 1-60 MHz ...........................-40 dB Min. 60-100 MHz .......................-35 dB Min. Termination 0.30 0.10 0 ~8 L = Cu/Ni/Sn (RoHS Compliant) Common Mode Rejection (0.012 0.004) (TD to TX & RD to RX) Packaging E = Tape and Reel (600 pcs. per reel) 1-60 MHz ...........................-37 dB Min. 0.70 0.15 60-100 MHz .......................-30 dB Min. (0.028 0.006) Differential to Common Mode Rejection Ratio Electrical Schematic (TD to TX & RD to RX) 30 MHz ..............................-35 dB Min. 60 MHz ..............................-35 dB Min. 8.89 TD+ 1 (0.350) 16 TX+ Hi-Pot (TD to TX & RD to RX TYP. 1 mA, 60 sec.) .......................1500 Vrms & 2250 Vdc Storage Temperature .......-40 to +125 C 10.50 Operating Temperature ....-40 to +125 C TCT 2 TYP. 15 CMT 7.10 (0.413) TYP. (0.280) Moisture Sensitivity Level .....................1 ESD Classification (HBM) ................. N/A Packaging Specifications TD- 3 14 TX- 0.76 1.27 TYP. TYP. Tape & Reel ....................... 600 pcs./reel (0.030) (0.05) MM DIMENSIONS: (INCHES) RD+ 6 11 RX+ RCT 7 10 CMT RD- 8 9 RX- 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 and AEC-Q200 COMPLIANTSM91074AL - 10/100 Base-T Transformer Solder Profile t p CRITICAL T p ZONE T to T RAMP-UP L P T L t L T smax T smin RAMP-DOWN t s Preheat 25 t 25 C to Peak Time (Seconds) Pb Free Assembly Average Ramp-up Rate3 C/second max. Preheat Temperature min. (T min) 150 C s Temperature max. (T max) 200 C s Time (t min. to t max.)60 ~ 180 s s s Liquidus Temperature: T 217 C L Time above Liquidus Temperature: t 60 ~ 150 s L Peak Temperature: T 245-250 C P Time within 5 C of Actual Peak Temperature: t 20 ~ 40 s p Ramp-down Rate from Peak Temperature6 C/s max. Time 25 C to Peak: t 8 minutes max. TO PEAK 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)