■ Operating temperature -40 °C to +85 °C
■ Lead free version available (see How to
Order)
Features
■ For use with Globespan ADSL chipset
■ Excellent Total Harmonic Distortion
(THD) Performance
■ Lead free versions are RoHS compliant*
■ Exceeds standards for ANSI and ETSI
■ Isolation voltages up to 2000 Vrms
■ Designed to meet UL1950 and EN60950
supplementary insulation requirements
for operating voltages up to 250 Vrms
PT542-1
Applications
■ ADSL - Globespan
PT542-1 to SM547-1 ADSL & RADSL Transformers
Electrical Specifications @ 25 °C
Turns
Ratio
OCL Primary
(1-4) with
DCR @
Leakage
(1-3), (2-4),
Isolation
Voltage
(Vrms)
Insertion
Loss
Longitudinal
Balance
Part
Chip-Line (2-3) shorted Inductance (10-8), (9-7)
Number
(±2 %)
1.4:1.4:1:1
1:1:1:1
(µH –10 %)
(µH max.)
(Ω max.)
(dB max.)
(dB typ.)
Package
THT
PT542-1
PT543-1
PT544-1
PT545-1
SM546-1
SM547-1
940
10
10
10
10
10
10
1.2
1500
1500
3000
3000
3000
3000
3
3
3
3
3
3
62
62
62
62
62
62
410
0.8
THT
1.4:1.4:1:1
1:1:1:1
940
1.2
THT
410
0.8
THT
1.4:1.4:1:1
1:1:1:1
940
1.2
SMT
SMT
410
0.8
Product Dimensions
SMT
THT
19.05
(.750)
3.81
24.13
(.950)
3.81
MAX.
8 PLCS.
(.150)
8 PLCS.
(.150)
4.83
10
7
(.190)
MM
(INCHES)
1.78
(.070)
DIMENSIONS ARE:
23.24
(.915)
26.67
(1.05)
22.86 27.05
(.900) (1.065)
MAX.
DATE CODE
DATE CODE
4
0.25
(.010)
TOLERANCE:
1
1.07
(.042) (.015)
0.38
X
TYP.
24.13
MAX.
(.950)
3.81
(.150)
Recommended PAD layout
TYP.
12.70
(.500)
MIN.
12.70
MAX.
(.500)
MAX.
3.3
(.130)
3.56
(.140)
0.10
(.004)
0.97
(.038)
10 PLCS.
10 PLCS.
20.32
(.800)
10 SURFACES
Packaging Specifications
How to Order
Tube ....................................35 pcs./tube
PT or SM5xx-1 __
Model
Termination
Blank = Tin-lead
Electrical Schematic
L = Tin only (lead free)
1
10
3
2
8
9
4
7
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.