2741T [BEL]
HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Shielded Transformers; 高频磁性元件T1 / E1通孔屏蔽变压器
| 型号： | 2741T |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Shielded Transformers |
| 文件： | 总2页 (文件大小：62K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Shielded Transformers
TM00114
•
•
•
•
Operate at the T1 rate of 1.544 Mb/s and the E1
rate of 2.084 Mb/s
•
•
•
Operating temperature range: -40° C to +85° C
Meets IEC 695, 2-2 flammability requirements
Interwinding Electrostatic Shield provides low
capacitance and high EMI suppression
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
There is an internal connection to Terminal 8; do
not use
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
Minimum interwinding breakdown voltage of
2200 Vdc
ELECTRICAL SPECIFICATIONS AT 25° C
DCR
Ω
max
Inductance
Turns Ratio
Unbalance5 of CT
± 2%
Primary
Leakage
Inductance2
µH max
Interwinding
Capacitance4
pF max
windings
Part Number
Inductance1
mH Min
Pri : Sec
Pri
Sec
Winding
% max
2741S
2741T
1 CT : 2 CT
3.15
2.3
5.8
1.7
6.8
7.5
83
Pri & Sec
Pri
0.2
0.1
1 CT : 1.3753
0.923
1.13
1.63
1. measured at 10 kHz, 0.1 Vac
2. measured at 100 kHz, 0.1 Vac
3. connect 2 to 6
4. connect 1 to ground
5. measured at 20 kHz
SCHEMATICS
2741S
2741T
S
S
4
5
3
4
5
CT 6
7
6
2
3 CT
2
CT
1
7
PRIMARY SECONDARY
1
PRIMARY SECONDARY
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-57
HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Shielded Transformers
TM00114
MECHANICAL
2741S
2741T
0.56 (14.22)
MAX
0.46 (11.68)
MAX
TERMINAL 1 IDENTIFIER
0.35 (8.89)
MAX
0.023 (0.584) SQ TYP
(PHOSPHOR BRONZE,
SOLDER COATED)
0.155
(3.94)
0.100
(2.54)
2
3
4
5
1
0.250
(6.35)
8
7 6
Unless otherwise specified, dimensions are nominal and in inches (millimeters).
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
Bel Fuse Ltd.
Bel Fuse Europe Ltd.
198 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
PrestonTechnology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
T1-58
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