2771D [BEL]
HIGH FREQUENCY MAGNETICS T1/E1 Surface Mount Shielded Tranformers; 高频磁性元件T1 / E1表面贴装屏蔽Tranformers
| 型号： | 2771D |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNETICS T1/E1 Surface Mount Shielded Tranformers |
| 文件： | 总2页 (文件大小：41K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HIGH FREQUENCY MAGNETICS
T1/E1 Surface Mount Shielded Tranformers
TM00140
•
•
•
Operating temperature range: -40° C to +85° C
Meets IEC 695, 2-2 flammability requirements
•
•
•
Operate at the T1 rate of 1.544 Mb/s and the E1 rate of
2.048 Mb/s
Interwinding Electrostatic Shield provides low capaci-
tance and high EMI suppression
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Minimum Interwinding Breakdown Voltage of 1500 Vrms
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
ELECTRICAL SPECIFICATIONS at 25° C
DCR
Ω
max
Turns Ratio
± 2%
Primary
Inductance*
mH min
Leakage
Inductance
µH max
Interwinding
Non-Shielded
Version
Part Number
Capacitance1
pF max
Pri : Sec
1 : 1.14CT
1 : 2CT
Pri
0.53
1.0
Sec
0.62
3.4
2771D
2771E
1.3
1.5
3.2
5
5
2795B
2795H
3.15
* Measured at 10 kHz, 0.1 Vac
1. With shielded ground
SCHEMATICS
2771D
2771E
S
4
5
7
CT
6
8
1
2
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
T1-89
HIGH FREQUENCY MAGNETICS
T1/E1 Surface Mount Shielded Tranformers
TM00140
MECHANICAL
2771D
2771E
0.590
(14.99)
MAX
0.160 (11.68)
0.120 (3.05)
6
7
5
8
0.495
(12.57)
MAX
0.430
(10.92)
MAX
4
1 2 3
TERMINAL 1
IDENTIFIER
0.395
(10.03)
MAX
0.23 (0.58) X 0.100 (2.54) FOOT
(PHOSPHOR BRONZE,
SOLDER COATED)
0.004
8 EDGES
0.100 (2.54) TYP
RECOMMENDED PCB PATTERN
COMPONENT CENTER
0.255
(6.48)
0.120 (3.05) TYP
0.045
(1.14)
TYP
0.008 (0.203)
2 PLACES
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
T1-90
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