ETC 2751350000

ISDN MAGNETICS
U Interface Transformers
•
Water-soluable flux and total-immersion cleaning
compatible
•
Qualified per Bellcore TR-TSY-000357-1
TM00203
•
Compatible with various Lucent transceiver ICs
•
UL and CSA approved
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
± 2%
Secondary
Inductance*
mH min
DCR
Ω
Leakage
Inductance
µH max
Isolation
Vrms
min
Pri
Sec
2754H2
1.0 : 1.5
77.0
172
5.2 - 5.6
12.35 - 13.55
1000
2754J2
1.0 : 1.5
77.0
172
6.4 - 7.35
11.7 - 13.65
1000
2754K2
1.0 : 1.5
77.0
172
6.1 - 7.4
14.1 - 17.4
1500
* Measured at 1 kHz, 0.1 Vac
SCHEMATIC
2754H2
2754J2
2754K2
Compatible Transceiver ICs
Part Number
IC Mfr
IC Part Number
Lucent
T7234
T7237
T7256
T7264
5
2754H2
2754J2
9
6
CT
10
2754K2
1
Primary
7
Secondary
©2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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ISDN MAGNETICS
U Interface Transformers
TM00203
MECHANICAL
10
2754H2
2754J2
2754K2
9
8
7
6
0.800
[20.32]
centers
1.08
[27.43]
max
1
2
3
4
5
Terminal 1 index
1.03 [26.16] max
0.48
[12.19]
max
Terminals
0.023 sq.
[0.584]
0.110
[2.79]
0.200
[5.08]
Note: Unless otherwise specified, dimensions
are nominal and in inches [millimeters].
©2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
198 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
Bel Fuse Ltd.
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
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