LM -N P10 01 -B 1 Ro VER LEA H S SI D F CO ON RE M SA E PL R IA E NT Features ■ Lead free version available (see How to ■ Fully encapsulated Order) ■ Lead free versions are RoHS compliant* ■ Low profile ■ High dielectric strength ■ Ten models available ■ Ex stock ■ Competitively priced Applications ■ Line matching ■ Fax modem LM-NP/-LP 1000 Series - Line Matching Transformers Product Dimensions Note: The LM-NP/-LP-1000 Series Line Matching Transformers meet the return loss specifications of BS 6305. 2.5 (.100) WHITE MARK 4 3 2 1 12.7 + 0.15 (.500 + .006) 17.7 + 0.2 (.700 + .008) 5 6 7 8 17.7 + 0.2 (.700 + .008) DIA 0.6 (.023) 2.5 (.100) 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. MM (INCHES) DIMENSIONS ARE: LM-NP SERIES 12.6 + 0.2 (.496 + .008) LM-LP SERIES and LM-NP-1001-B1 10.5 + 0.2 (.413 + .008) How to Order 4.0 MAX. (.157) LM-xP-100x-xx __ 3.0 (.118) 3.0 (.118) 5.04 (.200) * * * Model Termination Blank = Tin-lead L = Tin only (lead free) 5.04 (.200) *:pitch = 1/10 " = 2.54 (.100) (for number of pins see pin assignment) Pin Assignment and Winding Configurations (Bottom View) LM-NP-1001-B1 LM-LP-1001 LM-NP-1002 LM-LP-1002 LM-NP-1003 LM-LP-1003 LM-NP-1004 LM-LP-1004 LM-NP-1005 LM-LP-1005 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. *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 Part Numbers And Specifications Parameters Unit Ref. Temperature Data LM-NP LM-NP LM-NP LM-NP 1001-B1 1002 1003 1004 LM-LP 1003 25 25 25 Ω 600 600 600 Secondary Ω 600 Primary H 2.8 Secondary H 2.8 Primary Ω 66 66 66 66 (33,33) 66 (33+33) 90 90 90 90 (45,45) 90 45+45) Secondary Ω 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 Configurations — — one winding center tapped — one winding center tapped one winding split DC-Resistance (typical/±10 %) Insertion Loss (at 2.0 kHz) Return Loss Transformer (0.2 - 4.0 kHz) In Networks 600 600 (150, 150) (150+150) 600 600 600 (150,150) (150+150) (150,150) 25 25 25 600 600 600 LM-LP LM-LP 1004 1005 °C Inductance (min./at 0.2 kHz) 25 LM-LP 1002 Primary Impedance (min./at 1.0 kHz) 25 LM-NP LM-LP 1005 1001 600 (150+150) 600 2.8 2.8 (0.7, 0.7) (0.7+0.7) 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) 2.8 2.8 2.8 one both both winding windings windings split center split tapped 600 600 (150,150) (150+150) 2.8 2.8 2.8 2.8 (0.7,0.7) (0.7+0.7) dB ≤ 1.5 ≤ 2.0 dB ≥ 10.0 ≥ 8.0 ≥ 21.0 ≥ 20.0 25 600 600 (150,150) (150+150) 2.8 2.8 (0.7, 0.7) (0.7+0.7) 2.8 2.8 (0.7,0.7) (0.7+0.7) both both windings windings center split tapped Shunt Loss (typical) kΩ 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 dBm - 45.0 to + 3.0 - 43.0 to + 3.0 dB -80.0 - 70.0 Distortion (0 dB/at 1.0 kHz) % ≤ 0.1 ≤ 0.25 Leakage Induction (typical) mH 14.0 14.0 Power Level Longitudinal Balance (0.3 - 4.0 kHz) Dielectric Strength (P/S) Temperature Range Specifications Met kVDC 6.5 6.5 Operation °C -10 to +60 -10 to +60 Storage °C -20 to +70 -20 to +70 BS 6204: Construction and flammability (UL 94 VO) BS 6301: Isolation BS 6305: Return loss (1982/paragraph 4.3.2.2/b) REV. 04/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 25 600 600 (150, 150) (150+150) CCITT: Rec. T/CD 1-1 (Sept. 1982)