2741E2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformer

HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Transformer
TM01103
• Operates at the DS1 rate of 1.544 Mbits/s
• Provides high step-up ratio
• Provides monitoring via winding (5-1)
• 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
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
Turns Ratio
±2%
Primary
Inductance
mH min¹
DCR
Ω
max
Leakage
Inductance
µH max²
(6-8) : (5-1) : (4-2)
(4-2)
(6-8) (4-2) (5-1)
(4-2)
Interwinding
Capacitance
pF max
(6-8) & (4-2)
Minimum
Interwinding
Breakdown
Voltage
Vrms
2741E2
1 : 2.42 1 : 2.42
9.9
0.63 1.96 0.51
5.5
65
850
1. Measured at 10 kHz., 0.1 Vac
2. Measured at 100 kHz
SCHEMATIC
2741E2
6
CT 7
8
4
3 CT
2
5
1
1CT : 3.55CT : 1
©2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
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