sm538-1e Bourns, Inc., sm538-1e Datasheet
sm538-1e
Manufacturer Part Number
sm538-1e
Description
Adsl Line Transformers
Manufacturer
Bourns, Inc.
Datasheet
1.SM538-1E.pdf
(1 pages)
Turns Ratio .............................. 1:1 ±2 %
OCL @ 10 kHz, 0.1 V
Leakage Inductance @ 100 kHz 0.1 V
Longitudinal Balance
Insertion Loss @ 100 kHz ......... < 0.5 dB
Isolation Voltage ...........1500 Vrms max.
Load Resistance ........................... 100
DC Resistance
THD Linearity
Package
Model
Termination
REV. 09/08
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Customers should verify actual device performance in their specifi c applications
SM538-1EL* ...................... 200 pcs./reel
PT539-1L .............................60 pcs./tray
*”E” suffi x before “L” in part number
designates tape & reel packaging, e.g.
SM538-1EL.
Specifi cations are subject to change without notice.
How To Order
Electrical Specifi cations @ 25 °C
Packaging Specifi cations
(1-4) with (2-3) shorted
(10-7) with (8-9) shorted
(1-4) with (2-3), (8-9), (10-7) shorted
25 kHz to 1.1 MHz ............ 40 dB min.
(1-4), (10-7) ........................... 3
SM538-1L @ 300 kHz .......-60 dB typ.
PT539-1L @ 30 kHz ..........-80 dB typ.
SM538-1L ................................... SMT
PT539-1L ..................................... THT
Electrical Schematic
L = Tin only (lead free)
.................................... 5.0 mH ±10 %
.................................... 5.0 mH ±10 %
...................................... 18.0 µH max.
1
3
2
4
SM538-1E or PT539-1 L
10
8
9
7
max.
Features
■
■
■
■
SM538-1L & PT539-1L ADSL Line Transformers
Product Dimensions
For use with Analog Device’s AD20msp910 /
AD20msp918 ADSL chipsets
Excellent Total Harmonic Distortion (THD)
performance in a small size
SMT and thru-hole package version
Operating temperature -40 °C to +85 °C
(.530)
13.46
MAX.
(.028 .002)
.711 .050
5
4
3
2
1
10 PLCS.
(DATECODE)
SM538-1L
(.024)
(.695)
(.531)
17.65
13.50
0.6
DIA.
DIMENSIONS:
MAX.
MAX.
10 PLCS.
(DATECODE)
10
PT539-1L
6
7
8
9
(.551)
14.0
10.00
(.394)
MAX.
(.098)
2.50
(INCHES)
MM
(.394)
10.00
(.485)
THT
12.32
SMT
MAX.
(.102)
2.6
MAX.
■
■
Applications
■
(.500)
12.70
TOLERANCE ±
Designed to meet UL1950 and EN60950
supplementary insulation requirements for
operating voltages up to 250 Vrms
RoHS compliant*
ADSL - Analog AD20msp910/918
MIN.
MAX.
Recommended PAD layout
(.051 .002)
1.30 .050
(.100)
2.54
(.559)
(.605)
15.37
14.2
(.098)
2.50
10.00
(.394)
(.010)
10 PLCS.
0.25
MAX.
12.07
(.475)
MAX.
10 SURFACES
(.394)
10.00
(.005)
0.13
(.098)
2.50
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