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PT200

ISDN Transformers

Vishay Semiconductors 

Model PT-100/200

Vishay Dale

ISDN Transformers

FEATURES

• Integrated Services Digital Network transformers that provide

isolation for the line card and terminal in conjunction with both

“S/T” and “U” interfaces.

• Designed to meet the CCITT 1.430 pulse wave form template

requirements.

• Isolation voltage levels available for U.S. and international

applications.

• Printed circuit board mountable in both through-hole and surface

mount packages.

• Standard and custom configurations available.

• PT-100 series used for “S/T” interfaces.

• PT-200 series used for “U” interfaces.

STANDARD ELECTRICAL SPECIFICATIONS

MODEL

PT-100-01

PT-100-02

PT-100-04

PT-100-05

PT-100-06

PT-100-08

PT-100-09

PT-100-012

PT-200-01

PT-200-02

PT-200-03

PT-200-08

TURNS

RATIO

1 CT : 2 CT

1 CT : 2 CT

1 CT : 2 CT

1 CT : 2.5 CT

1 CT : 1 CT

1 CT : 1.8 CT

1 CT : 2 CT

1 CT : 2 CT

2.5 : 1

2 : 1 CT

2:1

1.6 : 1

PRIMARY

INDUCTANCE

MIN. (mH)

20

20

20

22

22

22

22

22

72

25

30

13

PRIMARY

DCR MAX.

(Ohms)

1.2

1.2

3.0

2.8

2.8

2.8

8.0

2.8

8.5

11.0

2.3

3.0

SECONDARY

DCR MAX.

(Ohms)

11.0

11.0

4.5

6.5

2.8

5.5

15.0

5.5

2.0

3.5

2.0

3.0

LEAKAGE

INDUCTANCE

MAX. (µH)

30

30

15

20

10

20

30

10

160

20

200

55

PRIMARY/

SECONDARY

HIPOT (V RMS)

1500

1500

1500

1500

1500

1500

1500

2000

1100

1100

1100

2000

STYLE

NUMBER

1

2

4

1

5

1

7

9

3

6

8

6

SCHEMATIC

NUMBER

1

2

4

1

6

1

5

4

3

7

8

9

TRANSFORMER CROSS REFERENCE FOR TRANSCEIVER CHIPS

MODEL

PT-100-01

PT-100-02

PT-100-04

PT-100-05

PT-100-06

TURNS RATIO

1 CT : 2 CT

1 CT : 2 CT

1 CT : 2 CT

1 CT : 2.5 CT

1 CT : 1 CT

IC MANUFACTURER

SIEMENS

SIEMENS

AMD

MITEL

NATIONAL

INTEL

AT&T

MOTOROLA

PT-100-08

PT-100-09

1 CT : 1.8 CT

1 CT : 2 CT

PT-100-012*

1 CT : 2 CT

PT-200-01

PT-200-02

PT-200-03

PT-200-08*

2.5 : 1

2 : 1 CT

2:1

1.6 : 1**

*Hipot voltage will meet international safety standards. **Low profile.

INTEL

SIEMENS

AMD

MITEL

NATIONAL

SIEMENS

AMD

MITEL

NATIONAL

AT&T

MOTOROLA

MITEL

SIEMENS

IC PART NUMBER

PEB2080/2085/2081

PEB2080/2085/2081

79C30A

MT8930

TP3420

29C53

T7250/T7252

MC145474

MC145475

29C53

PEB2080/2085

79C30A

MT8930

TP3420

PEB2080/2085/2081

79C30A

MT8930

TP3420

T7262/T7263

MC145472

MT8972

PEB2091

www.vishay.com

158

Document Number 34075

Revision 10-Mar-00

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