2771G [BEL]
HIGH FREQUENCY MAGNETICS T1/E1 Surface Mount Transformer; 高频磁性元件T1 / E1表面贴装变压器
| 型号： | 2771G |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNETICS T1/E1 Surface Mount Transformer |
| 文件： | 总2页 (文件大小：45K) |
| 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 Transformer
TM01102
•
•
•
•
Operates as a pulse transformer at the T1 rate of
1.544 Mb/s and the E1 rate of 2.048 Mb/s
•
•
•
Operating Temperature Range: -40°C to +85°C
Meets IEC 695, 2-2 flammability requirements
Provides voltage transformation and impedance
matching for line-interface applications
PWB Process Capability: Standard Printed Wiring Board
assembly techniques, total-immersion cleaning
All windings are hardened to handle a 6A surge for 1
second
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
Recommended drop-in replacement for non-
hardened applications is 2779C
ELECTRICAL SPECIFICATIONS AT 25° C
Leakage
Inductance 3
µH max
DCR
Interwinding
Capacitance
pF typ
Inductance 2
Turns Ratio
Ω
max
Minimum
Interwinding
Breakdown Voltage
Vrms
±2%
mH min
Part Number
(4-1) : (5-8)1
(5-8) 1
(4-1) : (5-8) 1
(4-1)
(4-1)
(4-1)
1.2 3
2771G
1 : 1.37CT
0.7
0.35
0.45
45
850
1. With 6 and 7 connected.
2. 10 kHz, 0.1 Vac
3. 100 kHz, 0.1 Vac
SCHEMATIC
2771G
4
1
5
7
CT
6
8
1 : 1.37CT
©2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1
HIGH FREQUENCY MAGNETICS
T1/E1 Surface Mount Transformer
TM01102
MECHANICAL
2771G
0.160 (4.06)
REF
0.120 (3.05)
REF
0.430
(10.92)
MAX
0.495
(12.57)
MAX
TERMINAL 1
IDENTIFIER
0.590 (15.0)
MAX
0.395
(10.03)
MAX
0.024 (0.061)
(PHOSPHOR BRONZE,
SOLDER COASTED)
0.004 (0.10)
8 EDGES
0.100 (2.54)
COMPONENT
CENTER
0.255
(6.48)
0.120 (3.05)
0.045
(1.14)
0.008 (0.203)
2 PLACES
NOTE: Unless otherwise specified, dimensions are nominal and in inches (millimeters).
©2001 Bel Fuse Inc. Specifications subject to change without notice. 02.01
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 F23, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
page 2
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