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參數(shù)資料
| 型號： | 12IMR25-12-2 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 218K |
| 代理商： | 12IMR25-12-2 |
Board Mountable
DC-DC Converters
IMR 25 Series
Edition 5/5.2000
6/7
Electromagnetic Compatibility (EMC)
Filter recommendations for compliance with
CISPR 22/EN 55022, class B
Electromagnetic emission requirements according to EN
55022, class B can be easily achieved by adding an exter-
nal input filter consisting of three additional capacitors and
one common mode ring core choke.
The filter components should be placed as close as possi-
ble to the input of the converter.
Fig. 4
Input filter arrangement for 48 V DC types
Table 4: Input filter components
Input voltage
C1
C2
Type
L1
Type
Ci
Type
12 V DC
3.3
F
3.3
F
Al-Chip
3.9 mH
Siemens
6.8
F
Al-Chip
50 V
(low ERS)
B 82724-A2402-N1
50 V
(low ERS)
24 V DC
2.,2
F
2.2
F
Al-Chip
2.2 mH
Siemens
4.7
F
Al-Chip
100 V
(low ERS)
B 82722-A2202-N1
100 V
(low ERS)
48 V DC
1
F 1
1
F 1
Al-Chip
2.2 mH
Siemens
4.7
F
Al-Chip
100 V
(low ERS)
82721-K2202-N1
100 V
(low ERS)
1 Only valid for input voltages up to 60 V DC.
C1
C2
L1
Vi+
Vi–
Ci
07028
Fig. 5
Typical disturbance voltage (quasi-peak) at the input accord-
ing to CISPR 11/22 and EN 55011/22, measured at Ui rated
and Io nom, e.g. for 12 IMR 25-05-2.
90
80
70
60
50
40
30
20
10
0
.01
0
.05
0.1
0.5
1
2
5
10
20
30
[dB
V]
MHz
0
.02
07065
A
B
90
80
70
60
50
40
30
20
10
0
.01
0
.05
0.1
0.5
1
2
5
10
20
30
[dB
V]
MHz
0
.02
07066
A
B
Fig. 6
Typical disturbance voltage (quasi-peak) at the input accord-
ing to CISPR 11/22 and EN 55011/22, measured at Ui rated
and Io nom, e.g. for 24 IMR 25-05-2.
Fig. 7
Typical disturbance voltage (quasi-peak) at the input accord-
ing to CISPR 11/22 and EN 55011/22, measured at Ui rated
and Io nom, e.g. for 48 IMR 25-05-2.
90
80
70
60
50
40
30
20
10
0
.01
0
.05
0.1
0.5
1
2
5
10
20
30
[dB
V]
MHz
0
.02
07067
A
B
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| 12IMR25-03-2 | Coaxial Cable; Coaxial RG/U Type:6; Impedance:75ohm; Conductor Size AWG:18; No. Strands x Strand Size:Solid; Jacket Material:Polyvinylchloride (PVC); Conductor Material:Steel; Leaded Process Compatible:Yes RoHS Compliant: Yes |
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