2745H2 [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： | 2745H2 |
| 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：43K) |
| 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
TM00125
•
•
•
Operate as line-interface pulse transformers in DS1
and CEPT applications
•
•
Meets IEC 695, 2-2 flammability requirements
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Interwinding electrostatic shield for minimum
capacitance and maximum EMI suppression
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
Operating temperature range: -40° C to +85° C
ELECTRICAL SPECIFICATIONS AT 25° C
Typical
Minimum
Interwinding
Breakdown
Voltage
Nominal
Inductance 1
Turns Ratio
mH Min
DCR
Ω
max
Leakage
Inductance2
µH max
Effective
Distributed
Capacitance
pF
Interwinding
Capacitance
pF max
Part Number
±2%
Vrms
(3-1) : (4-6)
1 : 1.36 CT
1 : 1.14 CT
(3-1)
1.24
1.25
(3-1)
1.58
0.87
(4-6)
(3-1)
3.3
(3-1)
50
-
(3-1) to (4-6)3
2745H2
0.50
0.78
10
5
850
2745AK2
2.0
1000
1. measured at 10 kHz, 0.1 Vac
2. measured at 100 kHz, 0.1 Vac
3. with 2 grounded
SCHEMATIC
2745H2
2745AK2
4
3
1
5 CT
6
2
1 : N
©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
T1-55
HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Shielded Transformers
TM00125
MECHANICAL
2745H2
2745AK2
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,
0.110 (2.79)
±0.010 (0.25)
SOLDER COATED)
0.150
(3.81)
1
3
2
5
0.250
(6.35)
6
4
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
T1-56
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