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SM537-1 Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part No. SM537-1
Description  ADSL Line Transformers
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Maker  BOURNS [Bourns Electronic Solutions]
Homepage  http://www.bourns.com
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SM537-1 Datasheet(HTML) 1 Page - Bourns Electronic Solutions

   
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SM537-1 ADSL Line Transformers
Features
For use with Analog Device’s
AD20msp930 ADSL chipset (CO)
Excellent Total Harmonic Distortion
(THD) performance
SMT and small size package
Designed to meet UL1950 and EN60950
supplementary insulation requirements
for operating voltages up to 250 Vrms
Operating temperature -40 °C to +85 °C
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Applications
ADSL - Analog AD20msp930
Electrical Specifications @ 25 °C
Turns Ratio
(10-7):(1-4) ..........................1:1.1 ±2 %
OCL @ 10 kHz, 0.1V
(1-4) with (2-3) shorted....2.03 mH min.
(10-7) with (8-9) shorted..1.75 mH min.
Leakage Inductance @ 100 kHz 0.1 V
(10-7) with (2-3), (1-4), (8-9) shorted
..........................................7.5 µH max.
Longitudinal Balance
10 kHz to 1.1 MHz ..............50 dB min.
Insertion Loss @ 300 kHz ............<0.5 dB
Isolation Voltage ............1500 Vrms max.
Load Resistance ............................100 Ω
DC Resistance
(1-4) with (2-3) shorted......1.30 Ω max.
(10-7) with (8-9) shorted....1.50 Ω max.
THD Linearity @ 30 kHz..........-80 dB typ.
Application ..........................................CO
Product Dimensions
Electrical Schematic
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)
SM537-1
(DATECODE)
5
4
3
2
1
6
7
8
9
10
.711 ± .050
(.028 ± .002)
Recommended PAD layout
10 PLCS.
1.30 ± .050
(.051 ± .002)
10 PLCS.
13.46
(.530)
MAX.
10.00
(.394)
10.00
(.394)
MAX.
17.65
(.695)
MAX.
13.50
(.531)
MAX.
12.32
(.485)
MAX.
12.07
(.475)
MAX.
2.50
(.098)
2.50
(.098)
15.37
(.605)
2.54
(.100)
0.13
(.005)
10 SURFACES
10
8
9
7
1
Line
Chip
1.1 : 1
3
2
4
Packaging Specifications
Tape & Reel* ........................200 pcs./reel
*”E” suffix at end of part number
designates tape & reel packaging, e.g.
SM537-1E.
SM537-1
How to Order
SM537-1E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
03/05
*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.


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