2805A Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – ISDN MAGNETICS UPO Interface Transformer

ISDN MAGNETICS
UPO Interface Transformer
TM9939
• Qualified per Bellcore TR-TSY-000357-1
• Approved by UL and CSA
• Minimum interwinding breakdown voltage of 1500 Vrms
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
± 2%
Primary
Inductance
mH min
Leakage
Inductance
µH max
2805A
1.0 : 1.25
1.70
12.0
DCR
Ω
max
Pri
Sec
3.91
3.00
Interwinding
Capacitance
pF max
90
Compatible Transceiver ICs
IC Mfr
Siemens
IC Part Number
PEB2095
SCHEMATIC
2805A
8
1
7
2
6
3
5
Primary
4
Secondary
©1999 Bel Fuse Inc. Specifications subject to change without notice. 09.99
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T330