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PT231 Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # PT231
Description  ISDN S-Interface Isolation Transformers
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

PT231 Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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*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.
PT231 Series - ISDN S-Interface Isolation Transformers
Features
Designed for isolation between line card
and terminal
Meets CCITT 1.430 when chip pairs and
transformers are used
Low leakage inductance
2.0 kVrms HIPOT PRI/SEC
60 dB min. longitudinal balance 10 kHz to
300 kHz
Weight - 4 g
Operating temperature 0 °C to +70 °C
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Applications
Telecom
Electrical Specifications @ 25 °C
Primary
Turns
Primary
Leakage
Pri/Sec
Part
Ratio
Inductance
Inductance
Cw/w
Pri DCR
Sec DCR
Package
Number
(±2 %)
(mH min.)
(µH max.)
(pF max.)
(Ω±15 %)
(Ω±15 %)
Schematic
PT23101
1:1
28
5
130
2.4
2.4
A
PT23102
1:1.8
28
10
120
2.4
4.5*
B
PT23103
1:2
28
10
120
2.5
4.8
A
PT23104
1:2.5
28
12
125
2.5
5.5*
B
PT23105
1:2
28
35
120
2.5
4.5
A
PT73455
1:1
28
5
130
2.4
2.4
C
*SPLIT WINDINGS IN SERIES
Product Dimensions
Electrical Schematic
14.0
(.551)
1
2
3
6
5
4
MAX.
14.0
(.551)
MAX.
10.2
(.401)
MAX.
0.72
(.028)
MAX.
0.6
(.023)
DIA.
3.0
(.118)
MIN.
10.2
(.401)
10.2
(.401)
Pri
1
2
3
6
5
4
Sec
A
Pri
1
3
6
4
Sec
C
Pri
1
2
3
7
6
5
4
Sec
B
5.1
(.200)
10.2
(.401)
10.2
(.401)
2.54
(.100)
2.54
(.100)
5.1
(.200)
10.2
(.401)
10.2
(.401)
DIMENSIONS ARE:
MM
(INCHES)
Packaging Specifications
Tube ....................................36 pcs./tube
03/04
How to Order
PT2310x or PT73455 __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)


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