BOURNS PT539-1

■ Designed to meet UL1950 and EN60950
oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
Features
39-1
PT5
*R
8-1
SM53
supplementary insulation requirements
for operating voltages up to 250 Vrms
■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
■ 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
Applications
■ ADSL - Analog AD20msp910/918
SM538-1 & PT539-1 ADSL Line Transformers
Electrical Specifications @ 25 °C
Turns Ratio ................................1:1 ±2 %
OCL @ 10 kHz, 0.1 V
(1-4) with (2-3) shorted
......................................5.0 mH ±10 %
(10-7) with (8-9) shorted
......................................5.0 mH ±10 %
Leakage Inductance @ 100 kHz 0.1 V
(1-4) with (2-3), (8-9), (10-7) shorted
........................................18.0 µH max.
Longitudinal Balance
25 kHz to 1.1 MHz ..............40 dB min.
Insertion Loss @ 100 kHz ..........< 0.5 dB
Isolation Voltage ............1500 Vrms max.
Load Resistance ............................100 Ω
DC Resistance
(1-4), (10-7) ............................3 Ω max.
THD Linearity
SM538-1 @ 300 kHz ..........-60 dB typ.
PT539-1 @ 30 kHz..............-80 dB typ.
Package
SM538-1 ......................................SMT
PT539-1 ........................................THT
Product Dimensions
SMT
15.37
(.605)
.711 ± .050
10 PLCS.
(.028 ± .002)
5
4
13.46
MAX.
(.530)
3
2
2.50
(.098)
2.54
(.100)
6
7
SM538-1
(DATECODE)
1
8
9
10.00
(.394)
10.00
MAX.
2.50
(.394)
(.098)
10
1.30 ± .050
10 PLCS.
(.051 ± .002)
17.65
MAX.
(.695)
Recommended PAD layout
13.50
MAX.
(.531)
12.32
MAX.
(.485)
12.07
MAX.
(.475)
0.13
(.005)
10 SURFACES
Packaging Specifications
SM538-1E* ..........................200 pcs./reel
PT539-1 ................................60 pcs./tray
*”E” suffix at end of part number
designates tape & reel packaging, e.g.
SM538-1E.
THT
Electrical Schematic
PT539-1
1
10
3
8
2
9
4
7
(DATECODE)
12.70
MAX.
(.500)
How to Order
SM538-1E or PT539-1 __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
2.6
MIN.
(.102)
0.6
(.024)
DIA.
10 PLCS.
2.50
(.098)
10.00
(.394)
10.00
(.394)
14.2
MAX.
(.559)
14.0
MAX.
(.551)
DIMENSIONS ARE:
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.
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)