defining a degree of excellence

Corporate Office

Bel Fuse Inc.

198 Van Vorst Street, Jersey City, NJ 07302-4496

Tel: 201-432-0463

Fax: 201-432-9542

E-Mail: BelFuse@belfuse.com

Internet: http://www.belfuse.com

Far East Office

Bel Fuse Ltd.

8F/8 Luk Hop Street

San Po Kong

Kowloon, Hong Kong

Tel: 852-2328-5515

Fax: 852-2352-3706

European Office

Bel Fuse Europe Ltd.

Preston Technology Management Centre

Marsh Lane, Preston PR1 8UD

Lancashire, U.K.

Tel: 44-1772-556601

Fax: 44-1772-888366

TM0048

T302

.075(19.05)

MAX

.492(12.5)

.591(15.0)

.197(5.00)

.098(2.50)

12

11

9

7

12

7

1

6

1

2

4

6

ISDN S-INTERFACE TRANSFORMERS

.500(12.7)

MAX

.075(19.05)

MAX

LEADS ARE 22 AWG

BOTTOM VIEW

SIDE VIEW

TOP VIEW

Dimensions are in inches (mm) +/-.010(.254) unless noted other-

wise.

B

A

4

9

6

7

4

9

6

7

1

12

1

12

2

PRI

SEC

PRI

SEC

SCHEMATIC

DCR

(ohms

+/-25%)

Pri

Sec

3.0

5.5

2.8

2.7

3.0

5.5

3.0

7.0

2.8

5.5

Part

Number

0559-6200-06

0559-6200-07

0559-6200-08

0559-6200-09

0559-6200-10

Turns

Ratio

(Pri:Sec)

+/-2%

1:2CT

1:1

1:2

1:2.5

1:2

DC

Unbal-

anced

I

(mA MAX)

5

5

5

5

5

OCL

Primary

(mH MIN)

22

22

22

22

22

L

Sec

(uH)

15max

5max

15max

8 - 40

11max

L

(pF MAX)

60

40

60

40

50

C

(pF MAX)

80

40

80

110

110

D

Schematic

B

A

A

A

A

3000 Vrms Isolation Voltage

MECHANICAL

.130(3.30)