2771F Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Dual-Output Surface Mount Transformer

HIGH FREQUENCY MAGNETICS
T1/E1 Dual-Output Surface Mount Transformer
TM00134
• Operates at T1 rate of 1.544 Mb/s and the E1 rate of
2.048 Mb/s
• Two center-tapped secondary windings provide two
output signals from a single input
• Minimum interwinding breakdown voltage of 1500
Vrms
• 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%
Inductance¹
mH min
Leakage
Inductance²
µH max
DCR
Ω
max
Interwinding Capacitance
pF
(4-5):(1-3) (4-5):(8-6)
(4-5)
(4-5)
(4-5) (3-1) (8-6) (4-5) : (1-3) (4-5) : (8-6)
2771F
1 : 2CT
1 : 2CT
3.1
1. measured at 10 kHz, 0.1 V
2. measured at 100 kHz
5
1.8 3.2 4.0
20
25
SCHEMATIC
2771F
1
4
2
3
8
5
7
6
1 : 2 CT : 2 CT
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T1-77