Features
■ Operating temperature 0 °C to +70 °C
■ Lead free version available (see How to
Order)
■ For use with Analog Device’s
PT532-1
AD20msp918 ADSL chipsets
■ Excellent Total Harmonic Distortion (THD)
performance in a small size
■ Lead free versions are RoHS compliant*
SM531-1
■ Both SMD and thru-hole package version
Applications
■ ADSL - Analog AD20msp918
■ Designed to meet UL1950 and EN60950
supplementary insulation requirements
for operating voltages up to 250 Vrms
SM531-1 & PT532-1 ADSL Line Transformers
Electrical Specifications @ 25 °C
Product Dimensions
Turns Ratio (1-4):(10-7)
..........................................1:1.27 2 ꢀ
OCL @ 10 kHz, 0.1 V
SMT
(1-4) with (2-3) shorted
........................................1.80 mH min.
(10-7) with (8-9) shorted
........................................2.90 mH min.
Leakage Inductance @ 100 kHz 0.1 V
(1-4) with (2-3), (8-9), (10-7) shorted
..........................................7.5 µH max.
Longitudinal Balance
30 kHz to 1.1 MHz ..............50 dB min.
Insertion Loss @ 100 kHz
................................................< 0.5 dB
Isolation Voltage ............1500 Vrms max.
Load Resistance ............................100 Ω
DC Resistance
(1-4), (10-7) ............................2 Ω max.
THD Linearity @ 30 kHz
15.37
(.605)
.711 ± .050
(.028 ± .002)
10 PLCS.
2.50
(.098)
2.54
(.100)
5
4
6
7
10.00
(.394)
13.46
(.530)
10.00
(.394)
SM531-1
3
2
1
8
MAX.
MAX.
2.50
(.098)
(DATECODE)
9
10
1.30 ± .050
(.051 ± .002)
17.65
MAX.
(.695)
10 PLCS.
Recommended PAD layout
13.50
MAX.
(.531)
............................................-80 dB typ.
Package
SM531-1 ......................................SMT
PT532-1 ........................................THT
12.32
(.485)
12.07
(.475)
MAX.
MAX.
Packaging Specifications
0.13
(.005)
SM531-1* ............................200 pcs./reel
PT532-1 ................................60 pcs./tray
10 SURFACES
*”E” suffix at end of part number
designates tape & reel packaging, e.g.
SM531-1E.
THT
Electrical Schematic
PT532-1
1
10
(DATECODE)
3
2
8
9
4
7
12.70
(.500)
MAX.
MIN.
How to Order
SM531-1E or PT532-1 __
Model
2.6
(.102)
Termination
Blank = Tin-lead
L = Tin only (lead free)
0.6
(.024)
DIA.
2.50
(.098)
10.00
(.394)
10.00
(.394)
14.2
10 PLCS.
14.0
MAX.
(.551)
MAX.
(.559)
MM
(INCHES)
0.25
(.010)
DIMENSIONS ARE:
TOLERANCE:
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.