features fully encapsulated low pro le high dielectric strength ten models available ex stock competitively priced rohs compliant* applications line matching fax modem lm-np/-lp 1000 series - line matching transformers *rohs directive 2002/95/ec jan 27, 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications note the lm-np/-lp-1000 series line matching transformers meet the return loss speci cations of bs 6305. it is important, however, to use the circuit recommended by bs 6305 for return loss measurements. the lm-np-1000 series are en 41003 approved. *rohs compliant how to order lm-xp-100x0xx l model termination l = tin only (rohs compliant) dimensions: mm (inches) product dimensions lm - np - 1001- b1 white mark 4321 5678 lm-np series lm-lp series and lm-np-1001-b1 * :pitch = 1/10 " = 2.54 (.100) (for number of pins see pin assignment) 17.7 + 0.2 (.700 + .008) 17.7 + 0.2 (.700 + .008) dia 0.6 (.023) 2.5 (.100) 2.5 (.100) 12.7 + 0.15 (.500 + .006) 3.0 (.118) 3.0 (.118) 5.04 (.200) 12.6 + 0.2 (.496 + .008) 10.5 + 0.2 (.413 + .008) 3.2 ?0.8 (.126 ?.031) 5.04 (.200) * * * pin assignment and winding con gurations (bottom view) lm-np-1001-b1l LM-LP-1001L lm-np-1002l lm-lp-1002l lm-np-1003l lm-lp-1003l lm-np-1004l lm-lp-1004l lm-np-1005l lm-lp-1005l one-winding center-tapped* one winding split* both windings center-tapped both windings split * due to the unique design and the most advanced manufacturing techniques the 2 coils are fully identical, meaning there is no real primary nor secondary winding. depending on the application, the transformers can be used either way.
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications lm-np/-lp 1000 series - line matching transformers rev. 05/11 part numbers and speci cations parameters unit lm-np 1001-b1l lm-np 1002l lm-np 1003l lm-np 1004l lm-np 1005l lm-lp 1001l lm-lp 1002l lm-lp 1003l lm-lp 1004l lm-lp 1005l ref. temperature data c 25 25 25 25 25 25 25 25 25 25 impedance (min./at 1.0 khz) primary 600 600 600 600 (150, 150) 600 (150+150) 600 600 600 600 (150, 150) 600 (150+150) secondary 600 600 (150,150) 600 (150+150) 600 (150,150) 600 (150+150) 600 600 (150,150) 600 (150+150) 600 (150,150) 600 (150+150) inductance (min./at 0.2 khz) primary h 2.8 2.8 2.8 2.8 (0.7, 0.7) 2.8 (0.7+0.7) 2.8 2.8 2.8 2.8 (0.7, 0.7) 2.8 (0.7+0.7) secondary h 2.8 2.8 (0.7, 0.7) 2.8 (0.7+0.7) 2.8 (0.7, 0.7) 2.8 (0.7+0.7) 2.8 2.8 (0.7, 0.7) 2.8 (0.7+0.7) 2.8 (0.7, 0.7) 2.8 (0.7+0.7) dc-resistance (typical/10 %) primary 66 66 66 66 (33,33) 66 (33+33) 90 90 90 90 (45,45) 90 (45+45) secondary 66 66 (33,33) 66 (33+33) 66 (33,33) 66 (33+33) 90 90 (45,45) 90 (45+45) 90 (45,45) 90 (45+45) turns ratio ( 2 %) ? 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 winding con? gurations ? ? one winding center tapped one winding split both windings center tapped both windings split ? one winding center tapped one winding split both windings center tapped both windings split insertion loss (at 2.0 khz) db 1.5 2.0 return loss transformer (0.2 - 4.0 khz) in networks db 10.0 21.0 8.0 20.0 shunt loss (typical) k 9.0 9.0 frequency response (typ./0.2 - 3.5 khz) db - 0.3 - 0.5 wide band response (0.2 - 10.0 khz) db -2.5 -4.5 power level dbm - 45.0 to + 3.0 - 43.0 to + 3.0 longitudinal balance (0.3 - 4.0 khz) db -80.0 - 70.0 distortion (0 db/at 1.0 khz) % 0.1 0.25 leakage induction (typical) mh 14.0 14.0 dielectric strength (p/s) kvdc 6.5 6.5 temperature range operation c -10 to +60 -10 to +60 storage c -20 to +70 -20 to +70 speci? cations met bs 6204: construction and ? ammability (ul 94v0) ccitt: rec. t/cd 1-1 (sept. 1982) bs 6301: isolation bs 6305: return loss (1982/paragraph 4.3.2.2/b)
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