2754G2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – ISDN MAGNETICS U Interface Transformers

ISDN MAGNETICS
U Interface Transformers
TM9934
• Water-soluable flux and total-immersion cleaning
compatible
• Qualified per Bellcore TR-TSY-000357-1
• Compatible with various Lucent transceiver ICs
• UL and CSA approved
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
± 2%
Primary
Inductance*
mH min
Leakage
Inductance
µH max
2754G2
1 : 2.5
12.0
25.6
2754H2
1.0 : 1.5
77.0
172
2754J2
1.0 : 1.5
77.0
172
2754K2
1.0 : 1.5
77.0
172
* Measured at 1 kHz, 0.1 Vac
DCR
Ω
max
Pri
Sec
2.50
12.20
5.60
13.55
7.35
13.65
7.40
17.40
Isolation
Vrms
min
1000
1000
1000
1500
Part Number
2754G2
2754H2
2754J2
2754K2
Compatible Transceiver ICs
IC Mfr
Lucent
IC Part Number
T7262
T7263
Lucent
T7234
T7237
T7256
T7264
SCHEMATIC
2754G2
2754H2
2754J2
2754K2
5
9
1
Primary
6
CT
10
7
Secondary
©1999 Bel Fuse Inc. Specifications subject to change without notice. 11.99
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T320