*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. lm-np/-lp 1000 series - line matching transformers 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) * * * features fully encapsulated low profile high dielectric strength ten models available ex stock competitively priced lead free rohs compliant* applications line matching fax modem l m - n p - 1 0 0 1 - b 1 note: the lm-np/-lp-1000 series line matching transformers meet the return loss specifications 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. pin assignment and winding configurations (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 r eal primary nor secondary winding. depending on the application, the transformers can be used either way. dimensions are: mm (inches) product dimensions how to order lm-xp-100x-xx l model termination l = tin only (lead free) *rohs compliant
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. part numbers and specifications parameters unit lm-np lm-np lm-np lm-np lm-np lm-lp lm-lp lm-lp lm-lp lm-lp 1001-b1l 1002l 1003l 1004l 1005l 1001l 1002l 1003l 1004l 1005l ref. temperature data ? 25 25 25 25 25 25 25 25 25 25 impedance primary ? 600 600 600 600 600 600 600 600 600 600 (min./at 1.0 khz) (150, 150) (150+150) (150, 150) (150+150) secondary ? 600 600 600 600 600 600 600 600 600 600 (150,150) (150+150) (150,150) (150+150) (150,150) (150+150) (150,150) (150+150) inductance primary h 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 (min./at 0.2 khz) (0.7, 0.7) (0.7+0.7) (0.7, 0.7) (0.7+0.7) secondary h 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8 (0.7,0.7) (0.7+0.7) (0.7,0.7) (0.7+0.7) (0.7,0.7) (0.7+0.7) (0.7,0.7) (0.7+0.7) dc-resistance primary ? 66 66 66 66 66 90 90 90 90 90 (typical/?0 %) (33,33) (33+33) (45,45) 45+45) secondary ? 66 66 66 66 66 90 90 90 90 90 (33,33) (33+33) (33,33) (33+33) (45,45) (45+45) (45,45) 45+45) turns ratio ( ? %) 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 winding one one both both one one both both configurations winding winding windings windings winding winding windings windings center split center split center split center split tapped tapped tapped tapped insertion loss (at 2.0 khz) db 1.5 2.0 return loss transformer db 10.0 8.0 (0.2 - 4.0 khz) in networks 21.0 20.0 shunt loss (typical) k ? 9.0 9.0 frequency response db - 0.3 - 0.5 (typ./0.2 - 3.5 khz) wide band response db - 2.5 - 4.5 (0.2 - 10.0 khz) power level dbm - 45.0 to + 3.0 - 43.0 to + 3.0 longitudinal balance db -80.0 - 70.0 (0.3 - 4.0 khz) 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 ? -20 to +70 -20 to +70 specifications met bs 6204: construction and flammability (ul 94 vo) ccitt: rec. t/cd 1-1 bs 6301: isolation (sept. 1982) bs 6305: return loss (1982/paragraph 4.3.2.2/b) lm-np/-lp 1000 series - line matching transformers rev. 05/07
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