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

T1 CARRIER INTERFACE

TRANSFORMERS

3

16

15

14

12

1

2

11 10

9

7

5

3

6

4

8

Secondary

A

Primary

Secondary

C

14

13

12 11 10

2

1

5

6

7

Primary

Secondary

Primary

8

B

Primary

Secondary

Secondary

D

12

3

5

46

7

Primary

Secondary

Primary

Secondary

E

G

5

3

1

6

4

2

1

3

5

F

5

3

1

4

6

2

1

2

4

6

SCHEMATICS

3

41

2

34

56

7

14

12

13

11 10

98

9

5

2

4

Primary

14

13

12

11 10

9

8

Package Style DIL

Note: 0553-1167-00

is missing pins

4 and 11, and is 0.80"

long and 0.25" high

from seating plane.

bel

Date Code

Part Number

0.385(9.78)

Max

1.00(25.40)

Max

# 24 AWG

Solder Plated

0.10(2.54)

0.20(5.08)

MAX

0.20(5.08)

Min

0.30(7.62)

Dimensions are in inches(mm).

Dimension Tolerance is +/- 0.02(0.51)

unless otherwise specified.

MECHANICALS

Package Style (14/16 Pins)

0.10(2.54)

0.018(0.46)

Ref

0.80(20.30)

Max

0.12(3.05)

Min

bel

Part Number

0.29(7.37)

Max

0.28(7.11)

0.34(8.64)

0.010(0.25)

0.045(1.14)Ref

Cross Sectional View

0.20(5.08)

Max

0.23(5.84)

Max

Date Code

Note: For 14 Pin package, external package dimensions and pin

distances are identical. There are only seven pins per side.

0.325(8.26)

Package Style “T”

0.50(12.70)

Min

0.50(12.70)

Max

0.40(10.16)

0.10(2.54)

0.35(8.89)

Max

0.20(5.08)

0.25(6.35)

Max

Note: For 0553-0013-BC the

pin length is 0.120" +0.2/-0"

TM0006

T106