BOURNS PT543-1

■ For use with Globespan ADSL chipset
■ Excellent Total Harmonic Distortion
*R
oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
■ Operating temperature -40 °C to +85 °C
■ Lead free version available (see How to
Features
1
42-
PT5
Order)
■ Lead free versions are RoHS compliant*
(THD) Performance
■ 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
Applications
■ ADSL - Globespan
PT542-1 to SM547-1 ADSL & RADSL Transformers
Electrical Specifications @ 25 °C
Part
Number
Turns
Ratio
Chip-Line
(±2 %)
OCL Primary
(1-4) with
Leakage
(2-3) shorted Inductance
(µH –10 %)
(µH max.)
DCR @
(1-3), (2-4),
(10-8), (9-7)
(Ω max.)
Isolation
Voltage
(Vrms)
Insertion
Loss
(dB max.)
Longitudinal
Balance
(dB typ.)
Package
PT542-1
1.4:1.4:1:1
940
10
1.2
1500
3
62
THT
PT543-1
1:1:1:1
410
10
0.8
1500
3
62
THT
PT544-1
1.4:1.4:1:1
940
10
1.2
3000
3
62
THT
PT545-1
1:1:1:1
410
10
0.8
3000
3
62
THT
SM546-1
1.4:1.4:1:1
940
10
1.2
3000
3
62
SMT
SM547-1
1:1:1:1
410
10
0.8
3000
3
62
SMT
Product Dimensions
SMT
THT
19.05
(.750)
24.13
MAX.
(.950)
3.81
8 PLCS.
(.150)
3.81
8 PLCS.
(.150)
4.83
(.190)
10
7
1.78
(.070)
DIMENSIONS ARE:
23.24
(.915)
22.86 27.05
(.900) (1.065)
26.67
MAX.
(1.05)
DATE CODE
DATE CODE
TOLERANCE: ±
1
24.13
MAX.
(.950)
3.81
TYP.
(.150)
Recommended PAD layout
4
3.56
10 PLCS.
(.140)
0.10
(.004)
10 SURFACES
Packaging Specifications
Tube ....................................35 pcs./tube
0.25
(.010)
1.07
0.38
X
TYP.
(.042) (.015)
MIN.
3.3
(.130)
12.70
MAX.
(.500)
12.70
MAX.
(.500)
0.97
10 PLCS.
(.038)
MM
(INCHES)
20.32
(.800)
How to Order
PT or SM5xx-1 __
Model
Electrical Schematic
1
10
3
8
2
9
4
7
Termination
Blank = Tin-lead
L = Tin only (lead free)
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.