■ Lead free version available (see How to
Features
■ Fully encapsulated
■ Low profile
Order)
1
B
-
1
■ Lead free versions are RoHS compliant*
0
0
1
-
P
N
-
M
L
■ High dielectric strength
■ Ten models available
■ Ex stock
Applications
■ Line matching
■ Fax modem
■ Competitively priced
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
It is important, however, to use the circuit
recommended by BS 6305 for return loss
measurements.
+
+
12.7 0.15
17.7 0.2
+
+
(.500 .006)
(.700 .008)
The LM-NP-1000 Series are EN 41003
approved.
5
6 7 8
2.5
(.100)
0.6
(.023)
+
+
17.7 0.2
(.700 .008)
DIA
MM
(INCHES)
DIMENSIONS ARE:
LM-LP SERIES
and LM-NP-1001-B1
10.5 + 0.2
LM-NP SERIES
12.6 + 0.2
(.496 + .008)
(.413 + .008)
How to Order
4.0
(.157)
MAX.
LM-xP-100x-xx __
3.0
(.118)
3.0
(.118)
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
5.04
(.200)
*
*
*
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-1005
LM-LP-1005
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
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.