Ro VER LEA H S SI D F CO ON RE M SA E PL R IA E NT
Features
■ Fully encapsulated
LM -N P10 01 -B 1
■ Lead free version available (see How to
■ Low profile ■ High dielectric strength ■ Ten models available ■ Ex stock ■ Competitively priced
Order) ■ Lead free versions are RoHS compliant*
Applications
■ Line matching ■ Fax modem
LM-NP/-LP 1000 Series - Line Matching Transformers
Product Dimensions
WHITE MARK 4321
2.5 (.100)
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.
MM (INCHES)
17.7 + 0.2 (.700 + .008)
12.7 + 0.15 (.500 + .006)
5 6 78
17.7 + 0.2 (.700 + .008)
DIA
0.6 (.023)
2.5 (.100)
DIMENSIONS ARE:
LM-NP SERIES LM-LP SERIES and LM-NP-1001-B1
12.6 + 0.2 (.496 + .008) 4.0 MAX. (.157) 3.0 (.118) 5.04 (.200) 3.0 (.118)
10.5 + 0.2 (.413 + .008)
How to Order
LM-xP-100x-xx __
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
LM-NP LM-NP LM-NP LM-NP 1001-B1 1002 1003 1004
25 600 600 2.8 2.8 66 66 1:1 — 25 600 25 600 25
Parameters
Ref. Temperature Data Impedance (min./at 1.0 kHz) Primary Secondary Inductance (min./at 0.2 kHz) Primary Secondary DC-Resistance (typical/±10 %) Primary Secondary Turns Ratio (≤ ±2 %) Winding Configurations
Unit
°C Ω Ω H H Ω Ω — —
LM-NP LM-LP 1005 1001
25 25 600 600 2.8 2.8 90 90 1:1 —
LM-LP 1002
25 600
LM-LP 1003
25 600
LM-LP LM-LP 1004 1005
25 25
600 600 (150, 150) (150+150) 600 (150+150)
600 600 (150, 150) (150+150) 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) 90 (45,45) 90 (45,45) 1:1 90 45+45) 90 45+45) 1:1
600 600 600 (150,150) (150+150) (150,150) 2.8 2.8
600 600 (150,150) (150+150) 2.8 2.8
2.8 2.8 (0.7, 0.7) (0.7+0.7)
2.8 2.8 2.8 2.8 (0.7,0.7) (0.7+0.7) (0.7,0.7) (0.7+0.7) 66 66 (33,33) 1:1 one winding center tapped 66 66 (33+33) 1:1 66 (33,33) 66 (33,33) 1:1 66 (33+33) 66 (33+33) 1:1
2.8 2.8 (0.7,0.7) (0.7+0.7) 90 90 (45,45) 1:1 one winding center tapped 90 90 (45+45) 1:1 one winding split ≤ 2.0 ≥ 8.0 ≥ 20.0 9.0 - 0.5 - 4.5
one both both winding windings windings split center split tapped ≤ 1.5 ≥ 10.0 ≥ 21.0
both both windings windings center split tapped
Insertion Loss (at 2.0 kHz) Return Loss Transformer (0.2 - 4.0 kHz) In Networks
dB dB
Shunt Loss (typical) Frequency Response (typ./0.2 - 3.5 kHz) Wide Band Response (0.2 - 10.0 kHz) Power Level Longitudinal Balance (0.3 - 4.0 kHz) Distortion (0 dB/at 1.0 kHz) Leakage Induction (typical) Dielectric Strength (P/S) Temperature Range Operation Storage Specifications Met
kΩ dB dB dBm dB % mH kVDC °C °C
9.0 - 0.3 - 2.5 - 45.0 to + 3.0 -80.0 ≤ 0.1 14.0 6.5 -10 to +60 -20 to +70
- 43.0 to + 3.0 - 70.0 ≤ 0.25 14.0 6.5 -10 to +60 -20 to +70 CCITT: Rec. T/CD 1-1 (Sept. 1982)
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.
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