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
PART NUMBER
bel
YYWW
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
ELECTRICALS
@ 25 C
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
C
W/W
3000 Vrms Isolation Voltage
MECHANICAL
.130(3.30)
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