2745G [BEL]
HIGH FREQUENCY MAGNECTICS T1/E1 Through Hole Transformers; 高频MAGNECTICS T1 / E1通孔变形金刚
| 型号： | 2745G |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNECTICS T1/E1 Through Hole Transformers |
| 文件： | 总2页 (文件大小：66K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HIGH FREQUENCY MAGNECTICS
T1/E1 Through Hole Transformers
TM00117
•
•
•
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
Designed for automatic machine placement into
printed wiring boards
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Only difference between the 2745G and 2745G3 is
the terminal length
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
ELECTRICAL SPECIFICATIONS AT 25° C
Minimum
DCR
Leakage
Inductance 2
µH max
Interwinding
Capacitance
pF typ
Interwinding
Breakdown
Voltage
Turns Ratio
± 2%
Inductance1
mH min
Ω
max
Part Number
Vrms
(3-1) : (4-6)
(3-1)
(3-1)
(4-6)
(3-1)
(3-1) and (4-6)
(3-1) and (4-6)
2745G
1 : 1.14CT
1 : 1.14CT
1.75
1.75
0.95
0.95
1.1
1.1
1.3
1.3
80
80
1000
1000
2745G3
1. measured at 10 kHz, 0.1 V
2. measured at 100 kHz, with (4-6) shorted
Typical Frequency and Time Response
Part Number
Terminating
Impedances
Bandwidth
(3 dB)
Droop
(350 ns pulse)
Risetime
Overshoot
2745G
10 Ω : 100 Ω
10 Ω : 100 Ω
1 kHz - 25 MHz
1 kHz - 25 MHz
14 ns
14 ns
0 %
0 %
0.1%
0.1%
2745G3
SCHEMATIC
2745G
2745G3
4
3
1
5 CT
6
1 : 1.14 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
T1-39
HIGH FREQUENCY MAGNECTICS
T1/E1 Through Hole Transformers
TM00117
MECHANICAL
2745G3
2745G
0.56 (14.22)
MAX
0.56 (14.22)
MAX
0.46 (11.68)
MAX
0.46 (11.68)
MAX
TERMINAL 1
IDENTIFIER
TERMINAL 1
IDENTIFIER
0.35 (8.89)
MAX
0.35 (8.89)
MAX
0.023 (0.584) SQ TYP
(PHOSPHOR BRONZE,
SOLDER COATED)
0.023 (0.584) SQ TYP
(PHOSPHOR BRONZE,
SOLDER COATED)
0.155 (3.94)
0.110 (2.79)
±0.010 (0.25)
0.150
(3.81)
0.150
(3.81)
1
3
2
5
1
3
2
5
0.250
(6.35)
0.250
(6.35)
4
6
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
T1-40
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