HIGH FREQUENCY MAGNETICS
T1/E1 Single Through Hole Transformers
TM00112
•
Designed for 3.3 volt T1/E1 line-interface applica-
tions requiring low leakage inductance
Initial applications: Lucent T7633, T7693 and T7697
•
•
Operating Temperature Range: -40° C to +85° C
Meets IEC 695, 2-2 flammability requirements
PWB Process Capability: Standard Printed Wiring Board
assembly techniques, total-immersion cleaning
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
•
•
•
Minimum interwinding breakdown voltage of
1500 Vrms
•
ELECTRICAL SPECIFICATIONS at 25° C
DCR
Ω
max
Turns Ratio
± 2%
Part Number
Pri : Sec
1
Primary
Inductance
2
µ
H min
Leakage
Inductance
2
µ
H max
(1 - 8)
Interwinding
Capacitance
1
pF typ
(4 - 5)
(3 - 6)
2664AK
1 : 1.91 CT
780
0.50
0.7
0.7
0.6
20
2664AL
1 : 2.1 CT
780
0.55
0.9
1.0
1.0
20
2664AJ
1 : 2.43 CT
970
0.45
1.4
1.8
1.6
20
1. (4 - 6) Connect 3 and 5
2. Measured at 100 kHz, 0.5 Vac
SCHEMATIC
2664AJ
2664AK
2664AL
8
6
3
CT
5
1
Primary
4
Secondary
©2000 Bel Fuse Inc. Specifications subject to change without notice. 04.00
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-31
BEL [ BEL FUSE INC. ]
