PT731 Series

This series is OBSOLETEAND
not recommended for new designs.
PL
IA
N
T
Features
M
■ Designed for isolation between line card
*R
oH
S
CO
and terminal
■ Meets the CCITT 1.430 when chip pairs and
transformers are used
■ 4000 VAC HIPOT PRI/SEC in conformance
with international safety standards
■ Low leakage inductance
■ Weight - 4 g
■ 60 dB min. longitudinal balance
10 kHz to 300 kHz
■ Operating temperature 0 °C to +70 °C
■ RoHS compliant*
PT731 Series - ISDN S Interface Isolation Transformer
Electrical Specifications @ 25 °C
Part
Number
Turns
Ratio
(±2 %)
Primary
Inductance
(mH min.)
Primary
Leakage
Inductance
(µH max.)
Pri/Sec
Cw/w
(pf max.)
Pri DCR
(Ω±15 %)
Sec DCR
(Ω±15 %)
Schematic
PT73173L
1:1
28
12
120
2.4
2.4
A
PT73434L
1:25
28
12
60
3.0
15.0*
B
*Split windings in series
Packaging Specifications
Product Dimensions
Electrical Schematic
E
T
E
L
O
S
B
O
PT73173L ............................50 pcs./tray,
500 pcs./carton
1
PT73434L ........................... 38 pcs./tube
13.2
MAX.
(.519)
A
Pri
Sec
2
5
3
4
1
Pri
B
Sec
4.0
MIN.
(.157)
0.6
DIA.
(.023)
2
4
5
3
6
6
7
6
5
4
How To Order
A
14.0
MAX.
(.551)
11.4
(.448)
5.1
4
(.201)
PLCS.
1
2
Model
Termination
L = Tin only (RoHS Compliant)
3
14.2
MAX.
(.559)
4
B
14.0
MAX.
(.551)
5
6
7
2.54 5.1 2.54
(.100) (.200) (.100)
11.4
(.448)
5.1
2
(.200)
PLCS.
1
2
3
14.2
MAX.
(.559)
DIMENSIONS:
REV. 05/13
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
PT73xxx L