27111 Aliso Creek Road, Suite 175

AlisoViejo,California92656

Phone:

(714)362-4211

Fax:

(714)362-4212

M

Magnetics Inc.

Specifications subject to change without notice.

18

123

4567

8

16

15

14

13

12

11

10

9

.390

(9.91)

MAX

.020 (.51)

.010 (.25)

.100

(2.54)

TYP

.020

(0.51)

TYP

.050

(1.27)

TYP

.950

(24.13)

MAX

PIN#1

DOT

FLAT

.050 (1.27)

.030 (0.76)

.580

(14.73)

.010

(0.25)

TYP

.720

(18.29)

MAX

ISDN S SMD INTERFACE ISOLATION TRANSFORMERS

FEATURES

Ê Designed for Isolation between Line Card and Terminal

Í2000Vrms Minimum Isolation

Ë Meets Pulse Waveform Template of CCITT 1.430

ÎIndustry Standard SMD Package

Ì Excellent Longitudinal Balance

ÏSingle or Dual Core Package

PM-IS42

1:1

1:2

22

5/15

100

40/80

2.4

2.4/4.0

A

PM-IS43

1:1

1:1

22

5

100

40

2.4

2.4

A

PM-IS44

1:1.8 1:1.8

22

15

100

140

2.4

4.2

A

PM-IS45

1:2

1:2

22

15

100

80

2.4

4.0

A

PM-IS46

1:2.5 1:2.5

22

30

100

110

2.4

5.8

A

PM-IS47

1:2

1:2

22

10

100

150

2.4

5.0

A

PART

NUMBER

TURNS

RATIO (± 2%)

A

B

PRIMARY

OCL

(mH Min.)

SECONDARY

L

L

(µµµµµH Max.)

PRI-SEC

Cw/w

(pf Max.)

PRIMARY

C

P

(pf Max.)

PRIMARY

DCR

(Ohms Max.)

SECONDARY

DCR

(Ohms Max.)

Package

&

Schematic

DUAL CORE PACKAGE "A"

NOTE:

Primary:1 to 4 & 5 to 8

Secondary: 16 to 13 & 12 to 9

M

YYWW

LONGITUDINAL BALANCE: 10KHz - 300KHz: 60dB Minimum

RATIO IS EXPRESSED AS: PRIMARY : SECONDARY

9

12

16

15

7

15

13

10

4

28

3

14

11

6

PRIMARY

PRIMARY

SECONDARY

SECONDARY

CORE A

CORE B

PHYSICAL DIMENSIONS .... IN INCHES (mm)

RECOMMENDED PCB LAYOUT

DIMENSION IN INCHES, (mm)

16x.050 (1.27)

7x.100 (2.54)

16x.120 (3.05)

.520 (13.21)

1

16

9

8

.760 (19.30)

.700 (17.78)