Features Applications Fully encapsulated Line matching Low pro le Fax modem High dielectric strength Ten models available Ex stock Competitively priced RoHS compliant* LM-NP/-LP 1000 Series - Line Matching Transformers Product Dimensions Note The LM-NP/-LP-1000 Series Line 2.5 Matching Transformers meet the return WHITE MARK (.100) 43 2 1 loss speci cations of BS 6305. It is important, however, to use the + + 17.7 0.2 12.7 0.15 circuit recommended by BS 6305 for + + (.700 .008) (.500 .006) return loss measurements. 567 8 The LM-NP-1000 Series are EN 41003 2.5 approved. 0.6 + 17.7 0.2 DIA (.100) (.023) + (.700 .008) How To Order LM-LP SERIES LM-xP-100x0xx L LM-NP SERIES and LM-NP-1001-B1 12.6 + 0.2 10.5 + 0.2 Model (.496 + .008) (.413 + .008) Termination L = Tin only (RoHS Compliant) 3.2 0.8 3.0 3.0 (.126 .031) (.118) (.118) * 5.04 5.04 * * (.200) (.200) *:pitch = 1/10 = 2.54 (.100) (for number of pins see pin assignment) MM DIMENSIONS: (INCHES) Pin Assignment and Winding Con gurations (Bottom View) 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 one-winding one winding both windings both windings center-tapped* split* center-tapped 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. Specications are subject to change without notice. Users should verify actual device performance in their WARNING Cancer and Reproductive Harm specific applications. The products described herein and this document are subject to specic legal disclaimers last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. www.P65Warnings.ca.gov as set forth on the LM-NP-1001-B1 *RoHS COMPLIANTLM-NP/-LP 1000 Series - Line Matching Transformers Part Numbers And Speci cations LM-NP LM-NP LM-NP LM-NP LM-NP LM-LP LM-LP LM-LP LM-LP LM-LP Parameters Unit 1001-B1L 1002L 1003L 1004L 1005L 1001L 1002L 1003L 1004L 1005L Ref. Temperature Data C 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/10 %) (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 ( 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 one both both one one both both 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 Operation C -10 to +60 -10 to +60 Range 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) Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 520 390 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com REV. 05/11 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.