PT231 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 CCITT 1.430 when chip pairs and
transformers are used
■ 60 dB min. longitudinal balance 10 kHz to
■ Low leakage inductance
300 kHz
■ 2.0 kVrms HIPOT PRI/SEC
■ Operating temperature 0 °C to +70 °C
■ Weight - 4 g
■ RoHS compliant*
PT231 Series - ISDN S-Interface Isolation Transformers
Electrical Specifications @ 25 °C
Part
Number
PT23101L
PT23102L
PT23103L
PT23104L
PT23105L
PT73455L
Turns
Ratio
(±2 %)
1:1
1:1.8
1:2
1:2.5
1:2
1:1
*Split windings in series
Product Dimensions
Primary
Pri/Sec
Cw/w
(pF max.)
130
120
120
125
120
130
Leakage
Inductance
(µH max.)
5
10
10
12
35
5
Pri DCR
(Ω±15 %)
2.4
2.4
2.5
2.5
2.5
2.4
Sec DCR
(Ω±15 %)
2.4
4.5*
4.8
5.5*
4.5
2.4
E
T
E
L
O
S
B
O
10.2
(.401)
0.72
MAX.
(.028)
1
1
6
2
14.0
5 (.551) MAX.
3
4
Package
Schematic
A
B
A
B
A
C
Electrical Schematic
10.2
MAX.
(.401)
14.0
MAX.
(.551)
Primary
Inductance
(mH min.)
28
28
28
28
28
28
0.6
DIA.
(.023)
3.0
MIN.
(.118)
Packaging Specifications
10.2
(.401)
5.1
(.200)
2.54
(.100)
10.2
(.401)
3
4
B
Pri
Sec
PT2310x or PT73455 L
7
6
2
5
4
3
How To Order
6
5
1
5.1
(.200)
Sec
2
10.2
(.401)
Tube ................................... 36 pcs./tube
A
Pri
2.54
(.100)
Model
10.2
(.401)
Termination
L = Tin only (RoHS Compliant)
C
1
Pri
Sec
6
10.2
(.401)
3
DIMENSIONS:
MM
(INCHES)
REV. 05/13
*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.
4