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參數(shù)資料
| 型號： | N2881-A |
| 廠商： | COILCRAFT INC |
| 元件分類： | 功率/饋電變壓器 |
| 英文描述： | POWER TRANSFORMER, 80 VA |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 84K |
| 代理商： | N2881-A |
Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
Power Factor ControllerTransformers
Document 145
Revised 11/26/02
These parts are designed for use with Motorola MC33261
and MC34261 power factor controllers. They are specifi-
cally intended for use in AC-DC pre-converter circuits for
electronic ballast and off-line switching power converter
applications.
N2880-A and N2881-A utilize standard materials for
lowest cost. Coilcraft can also supply custom transform-
ers optimized for specific combinations of output power
and input voltage.
N2880-A
For output power up to 175 Watts
For “universal” 110/220 V input voltage
Inductance1:
Pins 2-5
960/780 H
DC resistance:
Pins 2-5
0.100
max
Pins 12-7
0.017
max
Isolation:
500 Vrms between windings
1. Tested at 15.75 kHz, 1 Vrms.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
N2881-A
For output power up to 80 Watts
For 110 V input voltage
Inductance1:
Pins 1-5
350/290 H
DC resistance:
Pins 1-5
0.170
max
Pins 10-6
0.019
max
Isolation:
500 Vrms between windings
1. Tested at 15.75 kHz, 0.2 Vrms.
2. Operating temperature range –40°C to +85°C.
3. Electrical specifications at 25°C.
Recommended
Board Layout
Recommended
Board Layout
1.90
48,3
1.10
27,9
0.150 ±0.030
3,81 ±0,76
0.150 ±0.030
3,81 ±0,76
1.60
40,6
0.950
24,1
1.90
48,3
1.10
27,9
0.200
5,08
0.150
3,81
1.300
33,02
0.620
15,75
0.063
1,60
0.051
1,295
0.044
1,12
0.032
1,12
dia
dia (10×)
0.300
7,62
0.200
5,08
1
6
7
12
1
5
6
10
2
5
12
7
13:1
12.4:1
6
10
5
1
max
(1×)
(9×)
(7×)
(12×)
(10×)
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