HIGH FREQUENCY MAGNETICS
T1/E1 Single Through Hole Shielded Transformers
TM9916
•
•
Designed for DS1, DS1C, and CEPT applications
Electrostatic shield provides improved longitudinal
signal suppression and EMI reduction
Meets IEC-695, 2-2 flammability requirements
•
Compatible with water-soluble flux, total-immersion
cleaning and machine insertion
Qualified per Bellcore TR-TSY-000357-1
Minimum interwinding breakdown voltage of 850 Vrms
•
•
•
ELECTRICAL SPECIFICATIONS at 25° C
DCR
Ω
max
Turns Ratio
± 2%
Part Number
Pri : Sec
Primary
Inductance*
mH min
Leakage
Inductance
µ
H max
Pri
Interwinding
Capacitance**
pF max
Sec
Non-Shielded
Version
2741H2
1 : 1.36CT
0.92
2.5
0.83
1.43
5
2745CA2
2741G2
1CT : 2CT
3.15
6.5
1.9
4.4
5
2745AF2
* Measured at 10 kHz, 0.1 Vac
** With terminal 1 (shield) grounded
SCHEMATICS
2741G2
2741H2
S
S
4
3
2
1
Primary
Secondary
5
6
7
2
3
6
CT
4
7
Primary
1
5
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 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T130
BEL [ BEL FUSE INC. ]
