2745B [BEL]
HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformer; 高频磁性元件T1 / E1通孔变压器
| 型号： | 2745B |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Transformer |
| 文件： | 总2页 (文件大小：42K) |
| 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 Transformer
TM00115
•
Operates as a line-interface pulse transformer in
DS1 and CEPT applications
•
•
•
Operating temperature range: -40° C to +85° C
Meets IEC 695, 2-2 flammability requirements
•
•
Winding (3-2) (2-1) is highly balanced
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Designed for automatic machine placement into
printed wiring boards
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
•
Recommended replacement is 2745AF2
ELECTRICAL SPECIFICATIONS AT 25° C
DCR
Interwinding
Capacitance
pF typ
MInimum
Interwinding
Breakdown
Voltage
Turns Ratio
± 2%
Inductance1
mH min
Leakage Inductance 2
µH max
Ω
max
Part
Number
Vrms
(3-1) : (4-6)
(3-1)
(3-1)
(4-6)
(3-1)
(3-1) and (4-6)
2745B
1CT : 2 CT
3.5
4.9
10.2
7.0
110
850
1. measured at 10 kHz, 0.1 V
2. measured at 100 kHz, with (4-6) shorted
SCHEMATIC
2745B
4
3
CT 2
1
5 CT
6
1 CT : 2 CT
©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
T1-35
HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Transformer
TM00115
MECHANICAL
2745B
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)
0.150
(3.81)
1
3
2
5
0.250
(6.35)
4
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
T1-36
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