2795R Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Miniature Surface Mount Tranformers

HIGH FREQUENCY MAGNETICS
T1/E1 Miniature Surface Mount Tranformers
TM00142
• Meet pulse template and return loss requirements of
T1/E1 interface circuits
• Minimum interwinding breakdown voltage of 1500
Vrms
• Maximum inductance unbalance of center-tapped
windings is 0.2%
ELECTRICAL SPECIFICATIONS at 25° C
• 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
Part Number
Turns Ratio
± 1%
Pri : Sec
Primary
Inductance¹
mH min
Leakage
Inductance²
µH max
2795R
1 : 1CT
1.5
0.85
DCR
Ω
max
(4 - 6)
(3 - 1)
Interwinding
Capacitance
pF typ
Surge Voltage Capability³
Metallic Longitudinal
1.6
1.7
35
3000
2500
2795D
1 : 1.08CT
1.4
0.7
1.5
1.7
35
3000
2500
2795B
1 :1.14CT
1.6
0.8
2.2
2.6
35
2500
2500
2795P
1 : 1.26CT
1.2
0.65
1.4
1.8
35
3000
2500
2795C
1 : 1.35CT
1.3
0.8
1.9
2.6
35
2500
2500
2795AB
1CT: 2
2.5
1. Measured at 10 kHz, 0.1 Vac
2. measured at 100 kHz, 0.1 Vac
3. See Supplementary Information
0.8
4.3
2.2
40
2500
2500
SCHEMATICS
2795B
2795C
2795D
2795P
2795R
4
3
2795AB
3
4
5
CT
2
CT 5
1
6
6
1
Primary
Secondary
Primary 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 [phone] • Fax [phone] • www.belfuse.com
T1-93