?lan-mate? series single rj45 connector module with integrated 10 base t magnetics p/n: LT1S021 page : 1/2 prepared :luo ming li checked by: xu wenbing approved : alexander wu drawing no.: pulse transformer rev.:a1 date : 2001/08/07 a. general specifications 1. rj-45 connector integrated with x?fmer/impedance resistor/high voltage capacitor 2. size same as rj-45 connector to save pcb board space. 3. reduce emi radiation, improve emi performance. 4. complies with ieee802.3 standards 5. operating temperature range : 0c to +70c. b. electrical specifications@25c : 1. turns ratio: 1ct:1 tx 1ct:2 rx 2. inductance: 140 uh min @100khz/50mvrms 3. interwinding cap: 15 pf max pri/sec @100khz/50mvrms 4. leakage inductance: 0.4 uh max pin1-3(16,14short) @100khz/50mvrms 0.4 uh max pin6-8(11,9short) @100khz/50mvrms 5. common choke inductance 30 uh typ each winding @100khz/50mvrms 6. dcr : 0.3 max each winding 7. hi-pot: 2000vrms 1ma 2sec pri/sec c. schematic:
?lan-mate? series single rj45 connector module with integrated 10 base t magnetics p/n: LT1S021 page : 2/2 prepared :luo ming li checked by: xu wenbing approved : alexander wu drawing no.: pulse transformer rev.:a1 date : 2001/08/07 d. mechanical: 1. plastic material : pbt 15% glass filled (ul 94v-0) , black housing 2. metal shield : brass c2680-h, 20u nickle plated, t=0.25mm 3. spring wire : 0.45mm dia. phosphor bronze with 6u gold plated . 4. solder pin : 0.4x0.4mm ,phosphor bronze with solder plated 5. durability : 300 mating cycles min . e. pcb layout mounting hole (top view)
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