2768A Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – ISDN MAGNETICS Dual S Interface Transformer

ISDN MAGNETICS
Dual S Interface Transformer
TM9935
• Consists of two identical transformer assemblies
mounted in a molded 16-pin DIP terminal header
• Minimum interwinding breakdown voltage of 2400 Vrms
• Qualified per Bellcore TR-TSY-000357-1
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
± 2%
Primary
Inductance
mH min
Leakage
Inductance
µH max
2768A
1 : 2.5
22.0
4.0
DCR
Ω
max
Pri
Sec
2.3
5.8
Interwinding
Capacitance
pF max
Distributed
Parallel
Capacitance
pF max
100
100
Compatible Transceiver ICs
IC Mfr
Lucent
IC Part Number
T7250C
T7256
T7234
SCHEMATIC
2768A
1
16
2
CT
3
4
13
5
12
6
CT
7
8
9
Primary Secondary
©1999 Bel Fuse Inc. Specifications subject to change without notice. 06.99
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T322