PT731 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – ISDN S Interface Isolation Transformer

*RoHS ^{VCEOARMVSAPIOILLINAASBNLTE}
Features
■ Designed for isolation between line card
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
■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
PT731 Series - ISDN S Interface Isolation Transformer
Electrical Specifications @ 25 °C
Part
Number
PT73173
PT73434
Turns
Ratio
(±2 %)
1:1
1:25
Primary
Inductance
(mH min.)
28
28
Primary
Leakage
Inductance
(µH max.)
12
12
Pri/Sec
Cw/w
(pf max.)
120
60
Pri DCR
(Ω±15 %)
2.4
3.0
Sec DCR
(Ω±15 %)
Schematic
2.4
A
15.0*
B
*Split windings in series
Packaging Specifications
PT73173 ..............................50 pcs./tray,
500 pcs./carton
PT73434 ..............................38 pcs./tube
Product Dimensions
13.2
(.519)
MAX.
0.6
(.023)
DIA.
4.0
(.157)
MIN.
4
5
6
A
14.0
(.551)
MAX.
5.1
(.201)
4
PLCS.
11.4
(.448)
1
2
3
14.2
(.559)
MAX.
Electrical Schematic
1
Pri
A
Sec
6
2
5
3
1
Pri
2
3
4
B
Sec
7
6
5
4
DIMENSIONS ARE:
MM
(INCHES)
How to Order
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
PT73xxx __
45
67
B
14.0
(.551)
MAX.
2.54 5.1 2.54
(.100) (.200) (.100)
5.1
(.200)
2
PLCS.
11.4
(.448)
1
2
3
14.2
(.559)
MAX.
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.