BOURNS PT541-1

oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
41-1
PT5
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 Alcatel’s MTK-20140
ADSL chipset
0-1
SM54
*R
■ Designed to meet UL1950 and EN60950
Features
■ Excellent Total Harmonic Distortion
(THD) Performance
■ Both SMT and Thru-Hole package version
■ Small size
■ Operating temperature -40 °C to +85 °C
Applications
■ ADSL - Alcatel MTK20140
SM540-1 & PT541-1 ADSL Line Transformers
Electrical Specifications @ 25 °C
Turns Ratio (1-4):(10-7) (line to chip)
SM540-1 ................................1:1 ±2 %
PT541-1 ................................2:1 ±2 %
OCL @ 10 kHz, 0.1 V
(1-4) with (2-3) shorted
SM540-1........................480 µH ±10 %
PT541-1 ........................410 µH ±10 %
Leakage Inductance @ 300 kHz 0.1 V
(1-4) with (2-3), (7-10), (8-9) shorted
SM540-1 ........................10.0 µH max.
PT541-1 ............................6.5 µH max.
Longitudinal Balance
30 kHz to 1.1 MHz ............-40 dB min.
Insertion Loss
@ 100 kHz and 1.1 MHz ..........<1.0 dB
Isolation Voltage ............1500 Vrms max.
DC Resistance
(1-4) with (2-3) shorted
SM540-1 ............................1.0 Ω max.
PT541-1 ..............................0.6 Ω max.
THD Linearity
SM540-1 @ 10 kHz (min.) ..-72 dB typ.
PT541-1 @ 20 kHz (min.) ....-72 dB typ.
Application
SM540-1........................................CPE
PT541-1 ..........................................CO
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
SM540-1
(DATECODE)
1
10.00
(.394)
10.00
MAX.
2.50
(.394)
(.098)
8
9
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
THT
Packaging Specifications
SM540-1E* ..........................200 pcs./reel
PT541-1 ................................60 pcs./tray
*”E” suffix at end of part number
designates tape & reel packaging, e.g.
SM540-1E.
PT541-1
(DATECODE)
Electrical Schematic
1
10
3
8
2
9
4
7
How to Order
12.70
MAX.
(.500)
2.6
MIN.
(.102)
0.6
(.024)
DIA.
10 PLCS.
SM540-1E or PT541-1 __
10.00
(.394)
14.0
MAX.
(.551)
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
DIMENSIONS ARE:
MM
(INCHES)
2.50
(.098)
10.00
(.394)
14.2
MAX.
(.559)
TOLERANCE: ±
0.25
(.010)
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.