2779D [BEL]
HIGH FREQUENCY MAGNETICS Specialty Surface Mount Shielded Transformer; 高频磁电特种表面贴装变压器屏蔽
| 型号： | 2779D |
| 厂家： | 
BEL FUSE INC. |
| 描述： | HIGH FREQUENCY MAGNETICS Specialty Surface Mount Shielded Transformer |
| 文件： | 总2页 (文件大小：55K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HIGH FREQUENCY MAGNETICS
Specialty Surface Mount ShieldedTransformer
TM00108
•
•
•
Operates as high frequency pulse transformer in
telecom switching systems at various signaling rates
•
•
•
Operating temperature range: -40° C to +85° C
Meets IEC 695, 2-2 flammability requirements
Interwinding Electrostatic Shield provides low
capacitance and high EMI suppression
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Electrical equivalents: 2664A, 2741L2, 2779D
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
ELECTRICAL SPECIFICATIONS AT 25° C
DCR
Nominal
Turns Ratio
±2%
Secondary
Inductance1
mH min
Secondary Leakage
Inductance2
µH
Interwinding & Winding to Shield
Capacitance3
Minimum
Interwinding
Breakdown
Voltage
Ω
max
Part
Number
pF max
Pri : Sec
(5-2) : (4-1)
(4-1) : 64
(4-1) : (5-2)5
Vrms
(4-1)
(4-1)
(5-2)
(4-1)
2779D
1 : 2
1.58
3.3
2.05
8.5 max
6.5 min
12
3
1500
1. measured at 100 kHz, 0.05 Vac
2. measured at 1 MHz, 0.05 Vac
3. measured at 1 kHz, 1 Vac
4. with (5-2) grounded
5. with 6 grounded
SCHEMATIC
2779D
5
2
4
1
6
1 : 2
©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
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HIGH FREQUENCY MAGNETICS
Specialty Surface Mount ShieldedTransformer
TM00108
MECHANICAL
2779D
8
7
6
5
8
1
7
2
6
3
5
4
0.256 (6.50)
0.160 (4.06)
TERMINAL 1 IDENTIFIER
3
1
2
4
0.350
(8.89)
MAX
0.050 (1.27)
0.100 (2.54)
0.004
8 EDGES
0.100
3
1
2
4
0.490
(12.45)
MAX
0.430
(10.92)
MAX
0.500
(12.7)
MAX
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
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CAPACITOR, ALUMINUM ELECTROLYTIC, SOLID POLYMER, POLARIZED, 4V, 270uF, SURFACE MOUNT, CHIP, ROHS COMPLIANT
ILLINOISCAPAC
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