2741H2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Single Through Hole Shielded Transformers

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
Part Number
Turns Ratio
± 2%
Pri : Sec
Primary
Inductance*
mH min
Leakage
Inductance
µH max
2741H2
1 : 1.36CT
0.92
2.5
2741G2
1CT : 2CT
3.15
6.5
* Measured at 10 kHz, 0.1 Vac
** With terminal 1 (shield) grounded
DCR
Ω
max
Pri
Sec
Interwinding
Capacitance**
pF max
Non-Shielded
Version
0.83
1.43
5
2745CA2
1.9
4.4
5
2745AF2
SCHEMATICS
2741G2
S
4
5
3
6
2
Primary
7
1
Secondary
2741H2
S
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 [phone] • Fax [phone] • www.belfuse.com
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