BOURNS PT73173

oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
*R
Features
■ Low leakage inductance
■ Designed for isolation between line card
■ Weight - 4 g
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
■ 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
Turns
Ratio
(±2 %)
Primary
Inductance
(mH min.)
Primary
Leakage
Inductance
(µH max.)
Pri/Sec
Cw/w
(pf max.)
Pri DCR
(Ω±15 %)
PT73173
1:1
28
12
120
2.4
2.4
A
PT73434
1:25
28
12
60
3.0
15.0*
B
Part
Number
Sec DCR
(Ω±15 %)
Schematic
*Split windings in series
Packaging Specifications
PT73173 ..............................50 pcs./tray,
500 pcs./carton
Product Dimensions
Electrical Schematic
A
1
Pri
Sec
6
PT73434 ..............................38 pcs./tube
13.2
MAX.
(.519)
2
5
3
4
B
1
4.0
MIN.
(.157)
0.6
DIA.
(.023)
Pri
Sec
6
2
5
4
3
4
5
6
DIMENSIONS ARE:
A
14.0
MAX.
(.551)
11.4
(.448)
5.1
4
(.201)
PLCS.
1
7
2
MM
(INCHES)
How to Order
PT73xxx __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
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)
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.