Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00

TM00126

T1-59

ELECTRICAL SPECIFICATIONS AT 25° C

SCHEMATIC

2741F2

HIGH FREQUENCY MAGNETICS

T1/E1 Through Hole Hardened Transformer

r

e

b

m

u

N

t

r

a

P

o

i

t

a

R

s

n

r

u

T

%

2

±

e

c

n

a

t

c

u

d

n

I

1

n

i

M

H

m

R

C

D

Ω

Ω

Ω

Ω

Ω

x

a

m

e

g

a

k

a

e

L

e

c

n

a

t

c

u

d

n

I

2

x

a

m

H

µ

g

n

i

d

n

i

w

r

e

t

n

I

e

c

n

a

t

i

c

a

p

a

C

x

a

m

F

p

m

u

m

i

n

i

M

g

n

i

d

n

i

w

r

e

t

n

I

n

w

o

d

k

a

e

r

B

e

g

a

t

l

o

V

s

m

r

V

)

1

-

4

(

:

)

7

-

6

(

3

)

7

-

6

(

)

7

-

6

(

)

1

-

4

(

3

)

7

-

6

(

n

e

e

w

t

e

b

)

1

-

3

(

)

2

-

4

(

d

n

a

)

7

-

6

(

2

F

1

4

7

2T

C

1

:

11

.

12

7

.

05

4

.

05

.

38

10

5

8

c

a

V

1

.

0

,

z

H

0

1

t

a

d

e

r

u

s

a

e

m

.

1

c

a

V

1

.

0

,

z

H

k

0

0

1

t

a

d

e

r

u

s

a

e

m

.

2

3

&

2

t

c

e

n

n

o

c

.

3

•

Operating temperature range: -40° C to +85° C

•

Meets IEC 695, 2-2 flammability requirements

•

PWB Process Capability: standard printed wiring board

assembly techniques, total-immersion cleaning

•

Reliability testing: shock, vibration, temperature cycling,

temperature - humidity - bias

•

Operates at the T1 rate of 1.544 Mb/s and the E1 rate of

2.048 Mb/s

•

Winding (4-1) is hardened to handle a 6A surge current

for 1 second

•

Winding (4-1) is designed to handle simplex-feed

remote powering current

•

Maximum inductance unbalance of center-tapped

winding is 0.1%

6

7

4

2

3

1

1 : 1

CT